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  • 标题:Identifying industries for employment development using input-output modeling: the case of prison industry employment.
  • 作者:Scott, Charles E. ; Williams, Nancy A. ; Derrick, Frederick W.
  • 期刊名称:American Economist
  • 印刷版ISSN:0569-4345
  • 出版年度:2010
  • 期号:September
  • 语种:English
  • 出版社:Omicron Delta Epsilon
  • 摘要:Economic development involves creating new jobs while retaining existing jobs. A step in the process is the identification of potential industries and the assessment of the degree of complementarity or competition with existing industry. Input-output (I/O) tables have traditionally been used to determine the total economic impact of changes in final demand or specific industry output changes. This paper presents a new method which utilizes I/O table output for choosing industries to foster employment that minimizes the negative crowding out impacts of (and maximizes the positive benefits from) new industry development in a region. The literature to date has not tied the input-output method to industry choice or to the potential for crowding out.
  • 关键词:Economic development;Job creation;Prisons

Identifying industries for employment development using input-output modeling: the case of prison industry employment.


Scott, Charles E. ; Williams, Nancy A. ; Derrick, Frederick W. 等


I. Introduction

Economic development involves creating new jobs while retaining existing jobs. A step in the process is the identification of potential industries and the assessment of the degree of complementarity or competition with existing industry. Input-output (I/O) tables have traditionally been used to determine the total economic impact of changes in final demand or specific industry output changes. This paper presents a new method which utilizes I/O table output for choosing industries to foster employment that minimizes the negative crowding out impacts of (and maximizes the positive benefits from) new industry development in a region. The literature to date has not tied the input-output method to industry choice or to the potential for crowding out.

Industry policy is made primarily at the State and Federal levels, but the effects are felt primarily at the local level. Prison industry is a particular example where public policy choices have employment implications at a variety of levels of aggregation. To address these varying implications, we investigate the choice of industries and the potential for crowding out on local, state, and national levels. We find that a more diverse economy and greater aggregation lead to less job creation resulting from a given employment increase.

When a jurisdiction chooses an industry for a prison, they are faced with constraints that may reduce the set of viable industries to those that do not conflict with the economic growth of the jurisdiction. Pryor (2005) describes prison industries as: labor-intensive production, with low levels of training, low economies of scale, low R&D spending, no complex input supplies and little face-to-face contact with customers. Our analysis here recognizes these constraints but focuses on the crowding out aspect. Choosing industries for which the prisoner will have job prospects after release may lead to crowding out local labor not only while the prisoners are working inside prison, but also when they are released. Thus, the potential crowding out of private sector employment continues to be a hotly contested issue that dates back to the 1800's. (1) The literature has not empirically investigated prison industry choice at the local, state, and national levels in relation to the production of the region or the secondary effects generated.

The level of aggregation is crucial because prison labor amounted to less than 0.06% of the labor force in 1997 and produced less than 2 hours worth of the national GDP (Miller, Shelton, and Petersik 1998). Pryor (2005) reports similar numbers for 2002 with prison labor approximately 0.04% of the labor force in 2002. As one expects, Derrick, Scott and Hutson (2004) find that prison labor in aggregate has minimal impact on national employment and wages of non-skilled, non-prison labor. In contrast, studies (Scott and Derrick 2006; Derrick, Scott and Ahmadi 2006) find significant crowding out at the local level.

II. Input-Output Modeling

Input-output modeling allows the examination of financial transactions between businesses and between businesses and final consumers in a region. Industries purchase goods and services from input producers in order to produce output for final consumption. Input producers have purchased goods and services to produce their output. These backward linkages are called indirect purchases (indirect effects) and they continue until leakages (imports, wages, profits, savings, etc.) stop the circular flow expansion. The wages earned at each level (direct, indirect) in turn produce induced effects as they are spent within the jurisdiction.

Based on the concepts of direct, indirect and induced effects, an I/O model constructs three employment multipliers describing the short run, industry-specific, localized impacts of increased economic activity in a given sector for the jurisdiction. In IMPLAN, the model used in this paper, (2) the first is the number of direct jobs that are associated with $1.0 million output in the given sector (Direct). The second employment multiplier quantifies the number of jobs created by input purchases in the creation of this $1.0 million output (Indirect). The third employment multiplier estimates the number of jobs created by the purchases by the (direct and indirect) employees hired as they spend their incomes (Induced). The term, "secondary", is typically used to indicate both indirect and induced effects.

These multipliers presume that the economic activity associated with the spending stays in the jurisdiction, but that is generally not the case. IMPLAN's Regional Purchase Coefficient (RPC) is the construct used to measure the percentage of the goods or services in a given industry produced inside the jurisdiction (county, state, or nation). For example, an RPC of 0.6 indicates that 60% of the value of the goods/services from a given industry is produced in the jurisdiction and 40% is imported from outside the jurisdiction. If the secondary employment multiplier is 10, and the RPC of 0.6, 6 new secondary jobs are created within the jurisdiction and additional jobs are created outside the jurisdiction due to leakage. Since these additional jobs are outside of the jurisdiction, the model does not provide an estimate of the number. The RPC's for the input sectors are incorporated into the multipliers, causing them to be lower to the extent that some of the inputs are purchased from outside the region. (3)

The total employment impact of creating a single, new private sector job in-region is calculated from the I/O multipliers by scaling each multiplier by the direct effect multiplier:

Total Employment per job created

= [(Direct/Direct) + (Indirect/Direct) +(Induced/Direct)] (1)

Combining Indirect and Induced into the Secondary In-region Multiplier (Secondary IM):

= [1 + Secondary IM] (2)

The total employment impact will overestimate the additional job creation in the jurisdiction to the extent that the new jobs replace currently employed personnel.

In Figure 1, we depict the implications of the creation of one direct in-state job, including the potential for crowding out already existing employment. The creation of a direct job is totally captured by the jurisdiction. We continue with the previous assumption of an in-state secondary jobs multiplier of 10. With an RPC of 0.6, 60% of any job creation replaces the in-state jobs already shown as existing jobs in the region from Figure 1. The only truly new job creation is related to the (1-RPC)%, or 40% of the jobs that would have been associated with imports. Forty percent of the "new" jobs created are inside the jurisdiction, including the associated multiplier effects (see solid oval line). The remaining 60% of the direct job and its resulting six secondary jobs replace 6.6 jobs that were already in the jurisdiction (see dotted oval line). Of the 11 jobs created, only 4.4 jobs are new to the region. Thus,

[FIGURE 1 OMITTED]

Total Private Sector Employment per private sector job created net of crowding out is:

= Total Employment Created - Total Employment Crowded Out

= [1 + Secondary IM] -[1 + Secondary IM]*RPC

= [1 + Secondary IM]*(1 - RPC) (3)

For example, in a sector with an RPC of 1, all direct jobs associated with a given purchase would be from in-jurisdiction businesses. Hence, the "new" job is likely to be replacing a current employee and would lead to a zero net impact, as the positive indirect and induced effects would be countered by the indirect and induced effects lost with the loss of the replaced job. The new direct job will have an overall non-negative impact since RPC [less than or equal to] 1, but it may be small. In summary, both RPC and secondary employment are critical in determining whether new employment has a net positive employment effect.

Large industry RPC's imply small net employment impact, holding secondary effects constant, because the new employment will replace existing jobs. If the secondary employment effects are large, a strong positive employment impact is possible given any particular RPC. As long as the RPC is less than one, private sector employment increases will lead to net increase in employment with the only question being how much. These results should be viewed as short run effects since the I/O method assumes fixed prices, an unrealistic assumption in the long run.

III. Method Application to Prison Industry Selection

1. Discussion

Prison industries are a part of a rehabilitation effort with the specific mandate to:

"employ the greatest number of prisoners reasonably possible; concentrate on labor intensive manufacturing; diversify industries so that no private industry faces undue competition; diversify products so sales are widely dispersed; minimize competition with private industry and free labor; limit market share for any specific product; sell products to federal and other government institutions; provide opportunity for prisoners to learn skills useful in the free market; sell products at no more than the current market prices; and operate in a self-sustaining economic manner" (Schwalb 1994). (4)

Historically, prison labor has been concentrated in industries that are labor intensive, low skill, and slow growth. With market access limited by state and federal laws, economies of scale are restricted. Products are often in the later stages of the product lifecycle where profit margins are low, future expansion is limited, and new production avenues must be continually investigated (Yae 1999; Greiser 1989). A long term implication is that these products are concentrated in poorly performing industries. (5) Pryor (2005) further notes that the industries do not demand a high level of research and development, do not use complex input structures, and require limited face to face contact between workers and customers.

Prison industry employment benefits prisoners (6) but has the potential to displace private sector employees. (7) In the U.S. today, there are two ways that prison labor programs address this crowding out potential. State use industries are run by the prison system and are allowed to sell only to government and non-profit firms to limit the crowding out potential--in this case using output market restrictions to limit competition with the private sector. In this type of organizing of prison industries, the prison system acts as the company: buying inputs, employing prisoners to do the production and selling outputs, but not to the private sector. The most common products are wood/furniture, metal, paper/printing, vehicle-related, and garment/ textile (The Criminal Justice Institute 2000; Chang and Thompkins 2002).

In the case of the employment of prisoners, the positive net employment outcome found in equation (4) is not assured since the initial prison job is not private employment. To foster prisoner employment without significant crowding out, Congress passed the Justice System Improvement Act of 1979 which authorized the Prison Industry Enhancement (PIE) program. PIE allows the sale of goods and services to the private sector as long as the employment of prisoners in the industry in question does not compete with current private industry (Mizrahi 1996). (8) PIE programs have proven to be quite diversified and include electronic circuit boards, custom embroidery, kitchen cabinets, baseball caps, pig farming and fishing ties (American Correctional Association 1995). Mizrahi (1996) notes that the diversity of products reduces the risk of one or a few industries posing unfair competition to the private labor market. In addition, there are stringent conditions relative to the private sector labor market that must be met before PIE programs are authorized. These restrictions are essentially providing proof of a low RPC and assuring that market wages are paid to the inmates. There are restrictions on the interstate movement of these goods, allowing the use of an assumption of no export from the relevant jurisdiction in the analysis below. (9)

RPC's can be used to assess the extent of direct crowding out of private labor that would occur were the state to create a new job in that industry. However, the size and diversity of the jurisdiction matter because they impact the RPC, and hence, the potential and measured competition in the industry chosen. Using too small a jurisdiction will not take into account implications for the broader community and can lead to a "beggar thy neighbor" issue. (10)

Secondary job creation is a second major impact that can be estimated with input-output method. If there is crowding out, but also new job creation, the net effect can still be positive on the labor market as the new jobs replace the crowded out jobs. The size of these employment backward linkages for a given industry are affected by the characteristics of the industry--labor intensity, vertical integration, the complexity of the good or service, etc. The resulting in-jurisdiction impact will vary significantly depending upon the ability of the local economy to provide the goods demanded. Large, diverse economies will allow significant in-jurisdiction spending. Small, narrowly focused economies will be less able to capture any secondary spending.

Selecting an industry with in-state backward linkages will create jobs to counter any crowding out of private labor that occurs, potentially leading to a net positive impact on the labor market. Choosing a low RPC industry minimizes the in-jurisdiction displacement at the expense of crowding out imports from the "rest-of-the-world." Optimally, the industry choice should include both regional importing and backward employment creation linkages. This would limit the direct displacement impact and create new jobs for those who were crowded out by prison employment.

In summary, potential crowding out would predict lower employment creation for the more aggregated measures due to possibly high RPC. Secondary employment creation would lead to higher employment creation measures with greater aggregation. The net effect of creating a "new" job is an empirical question with the answer being industry specific and varying both across jurisdiction and with the level of aggregation.

2. Method and Data

Prison labor requires adjustment to the employment effects in Figure 1 because the entire direct job is located in the prison and remains entirely in the jurisdiction, but outside the private sector. Recall that in Figure 1, the net effect of a new private sector job consisted of the new 0.4 direct job and the four new secondary jobs for a total of 4.4 jobs. However, the net private sector employment created per prison job falls to 3.4 jobs. The private sector does not gain the 0.4 portion of the new direct job, nor does it retain the remaining 0.6 job that is crowded out by an inmate. The derivation of the 3.4 net private sector jobs created as a result of a prison job is a modified version of (3):

Net private sector employment created per prison job

= Total Employment Created -Total Employment Crowded Out -Prison job = [1 + Secondary IM]*(1 - RPC) - 1 (4)

The net impact will be positive in the private sector if the secondary job creation overshadows the negative effects of crowding out.

The input-output method described in Section II is applied to prison labor using four IMPLAN I/O models. A state-level model for Maryland is used to illustrate the implications of the industry selections that have already been made in this state. (11) An IMPLAN model for the state of Ohio is then introduced for comparison purposes. Ohio, a larger state with a more diverse economy, provides additional insights into the interaction between the prison industries choice of product/service and its impact on the local job market. To highlight the importance of the size of the jurisdiction on the analysis, a Washington County, Maryland, model is used in conjunction with the Maryland and national models. The local community will likely have a less diverse economy, affecting both the potential for direct crowding out and the ability to benefit from the input purchase effects. A county is also likely to be the smallest jurisdiction concerned about the income, employment, and tax revenue implications.

3. Prison Industries Employment Impacts in Maryland and Ohio

Using (3) and (4), we compute the employment impacts for all of the sectors in Maryland using prison labor (see Table 1). Taking the example of the wood products sector, the RPC of 0.325 indicates that a new prison job will crowd out 32.5% of an in-state job. The secondary impacts reflect the fact that a new prison job will generate employment for inputs and wages spent by employees in the direct and indirect sectors. A secondary impact of 0.449 indicates that, netting out the new prison job, 0.449 secondary jobs will become available as a result of the prison job. Although 0.449 of a job is created, 0.325 of a private sector job is replaced with prison labor. Hence, the net addition to private sector employment due to one new prison job in the wood products sector is 0.124, a positive impact overall.

With the exception of agricultural, forestry and fishery services, all of the sectors with RPC's less than 0.325 show positive net employment impacts. The net employment impact on the economy is the difference between this adjusted private sector job creation and the "first round" job lost (the prisoner replacing a potential private sector employee). For high RPC sectors, the job creation must be quite significant to constitute a net increase in employment. Over half of the sectors using prison labor in Maryland show net negative impacts on private sector employment as evidenced by the negative signs in the net private sector job creation column. If the goal of prison employment is to employ prisoners without crowding out private employment, Maryland may wish to consider a different set of industries.

In Table 2, we compute the same employment impacts for the sectors in the state of Ohio using prison labor. All of the Ohio sectors with RPC's less than 0.519 show positive net employment impacts as compared to a breakeven point of 0.325 in Maryland. Although the pattern in Ohio is similar to that of Maryland, Ohio has more sectors employing prison labor, and there are more jobs being created in a number of sectors. At the same time there are fewer sectors in which all of the output is produced in the state, leading to complete crowding out. These differences are likely due to the larger and more diverse economy in Ohio. The gross state product (GSP) in Ohio is almost twice that of Maryland and the Manufacturing GSP is six times as large (http://www.bea.gov/ bea/regional/gsp/).

The comparison of the RPC's across states is more difficult, but they appear to have similar diversity. As with Maryland, Ohio has a number of sectors that have an RPC above 0.5 with a resulting potential net negative employment impact. Also like Maryland, a number of sectors have very low RPC's, with a resulting high potential employment gain. Thus, the potential for crowding out in Ohio and in Maryland depends very much on the sector chosen for the prison industry.

Ohio appears to have chosen sectors with less crowding out and more job creation. In general, this result may be due to Ohio having slightly lower RPC's than Maryland, the increased ability of the Ohio economy to take advantage of the created jobs, or the choice of industries that create more jobs. For the sectors common to both states, the average new secondary job creation for Maryland was 0.74 as opposed to its overall average of 0.591. Comparable numbers for Ohio are 0.62 and 0.947. Thus, in the sectors in which they both participate, the job creation is greater than the average for Maryland, but less than the average in Ohio. The significant contrast between the states is driven by the difference in the average RPC for these sectors. In Maryland, the average RPC is 0.09, indicating that for these sectors, most of the output used in the state is imported to the state. For Ohio, the RPC is 0.48, indicating that the state produces 48% of what it uses in these sectors. This leads to 0.64 net job creation in Maryland in these sectors per prisoner employed, with a corresponding figure of 0.14 jobs in Ohio. The diversity of the Ohio economy leads to a less advantageous employment outcome from prison industries by half a job per prisoner due to more private sector jobs being replaced by prison labor.

[FIGURE 2 OMITTED]

Figure 2 provides a visual comparison of the computations for Maryland and Ohio in Tables 1 and 2. The horizontal axis measures the new jobs created by one prison industry job (New Secondary In-region Employment column in Tables 1 and 2). The vertical axis is the sector's RPC, an estimate of the direct crowding that is occurring. The diagonal line from the origin to the point (1,1) serves as the set of break-even points such that if the sector is charted above this line, the prison industry jobs are crowding out more jobs than they are creating. Below, or to the right of, the line indicates that the job creation more than makes up for the crowding out as the net increase in jobs exceeds the expected value of direct jobs lost.

The correlations between the RPC's and net employment impacts for Maryland and Ohio are -0.907 and -0.926, respectively. The strength of these correlations provides support for the rule of thumb that RPC's less than the breakeven will lead to positive employment creation. The correlations also provide support for the common no-compete (i.e., low RPC) criterion for authorizing prison industries under PIE.

4. Jurisdictional Comparisons and their Impact

Moving to a comparison of local, state and national jurisdictions using the I/O methods outlined in Section II, our first finding is that the RPC's do not increase monotonically with the size of the jurisdiction. Nor do the net job creation figures decrease monotonically with the size of the jurisdiction. Table 3 provides a comparison of several sectors in Maryland, some of which have a presence in Washington County, the location of the Hagerstown prison. Taking the meat packing sector as an example, the RPC at the local level of 0.234 is higher than the RPC at the state level of 0.064. This is surprising and may be due to the local (rural) jurisdiction being more specialized in this industry than the larger jurisdiction. As expected, the RPC's at the national level tend to be significantly larger than those at the state and local levels. With its low local RPC, meat packing has a relatively high new indirect and induced employment impact of 2.571 jobs per prison job.

The fact that the average employment creation for Hagerstown prison industries is almost one more than replacement indicates that the majority of the prison industry output is in sectors with significant input purchases and low RPC's. On average, 40% of a job is predicted to be crowded out by one prisoner being employed while about 1.4 new jobs are created in the private sector to replace the loss. These are positive signals relative to the private sector employment impact of the Hagerstown prison industries employment.

In comparison to Washington County, the lower average Maryland RPC of 0.158 and the lower average Maryland job creation figure of 1.215 are somewhat surprising. One possible explanation is that a larger percentage of the output consumed within the county is being produced within the county compared to the state average. This outcome would be the case if the industry were a net exporter to the state.

In comparison to the county and state level results, the national level results in greater crowding out and less job creation. On average nationwide in these sectors, 0.3 new jobs are created at the expense of 0.9 jobs for a net loss of almost 0.6 jobs to the nation as a result of one prison industries job at the Hagerstown prison. The significant employment drop is due almost entirely to sectors such as the meat packing in which the majority of the Hagerstown output occurs. In meat packing, the national RPC of 0.98 is significantly higher than the Washington County RPC of 0.23, causing many of the jobs created by the prison industries purchases to already exist in the larger jurisdiction.

The overall result is that using the state as the decision making jurisdiction underestimates the crowding out potential locally and overestimates the net job creation potential at the national level. The national level findings agree with Pryor (2005) and Derrick, Scott, and Hutson (2004) which found that, nationally, prison industry has limited effect at the national level even if it were expanded. The differing impact at county and state level is also consistent with Derrick, Scott, and Ahmadi (2006) and Scott and Derrick (2006).

IV. Conclusion

Prison industry employment is a very controversial activity. Does it crowd out private sector jobs? Does it create new jobs through the inputs purchased in the process of prison industry activity? How should the state choose industries, given that they want to have prison industry employment? This paper has addressed the first two positive questions and developed a model for addressing the third normative question with input-output analysis. Utilizing I/O employment multipliers, it is shown that prison industry employment does crowd out private sector jobs, but it also creates new jobs at the local, state and national levels.

It is clear from our analysis that industries exist where new employment creates limited crowding out and net job creation in the private sector. At the national or state level, the implications are likely to be minimal relative to the more local implications of introducing a new industry. Thus, the expected extent of crowding out will depend on the size of the jurisdiction being modeled. Analysis at a narrowly defined local jurisdiction, however, will not take into account implications for the broader community and can lead to a "beggar thy neighbor" issue. A more diverse economy and/or greater aggregation lead to less job creation. The finding is that greater aggregation leads to an increased probability that the "new" job is not new, but a replacement. At the same time, greater aggregation leads to the expectation of a more diverse economy, which would increase the secondary job effect potential. Thus, the net effect of creating a "new" job is an empirical question.

A major concern in economic development is creating new jobs while retaining (not crowding out) existing jobs. Our method is broadly applicable to public policy employment issues, such as the Economic Development Administration's (EDA) stated goal of generating jobs, retaining existing jobs, and stimulating industrial and commercial growth in economically distressed regions of the United States (Economic Development Administration 2009). Our contribution to this literature is the unique utilization of I/O table output for choosing industries that foster employment by minimizing negative crowding out impacts and maximizing positive benefits from new industry employment in a region.

References

American Correctional Association. 1995. Prison industry enhancement: Decade of progress, prospects for the future. Justice System Improvement Act, Pub. L. No. 96-157, [Sections] 827.

Chang, Tracy F.H., and Douglas E. Thompkins. 2002. Corporations go to prisons: The expansion of corporate power in the correctional industry. Labor St.dies Journal 27 (1): 45-69.

Derrick. Frederick W., Charles E. Scott, and Massoud Ahmadi. 2006. Prison labor's economic impact on the local economy. Journal of Business and Economic Development XXXII (2), Fall/Winter: 45-57.

Derrick, Frederick W., Charles E. Scott, and Thomas Hutson. 2004. Prison labor effects on the unskilled labor market. The American Economist XLVIII (2): 74-81.

Deloitte and Touche. 1991. Independent market study for UNICOR, Federal Prison Industries, Inc. Report to Congress on study findings and recommendations. Washington, DC.

Economic Development Administration, www. eda.gov/AboutEDA/Mission.xml.

Gallagher, Daniel J., and Mary E. Edwards. 1997. Prison industries and the private sector. Atlantic Economic Journal 25 (1) Winter: 91-100.

Greiser, R.C. 1989. Do correctional industries adversely impact the private sector'? Correctional Industries. 53(1): 18-24.

Kling, Jeffrey R., and A.B. Krueger. 2001. Costs, benefits and distributional consequences of inmate labor. Working Paper #449, Princeton University Industrial Relations Section, January.

Maryland Division of Corrections. 2001. State use industries annual report FY 2001, September.

Miller, Rod, Mary Shelton, and Tom Petersik. 1998. Inmate labor in America's correctional facilities: A preliminary report of the American Bar Association's subcommittee on correctional industries. Community Resource Services, April.

Minnesota IMPLAN Group Inc., IMPLAN Pro Version 2.0, 2004. http://implan.com/v3/

Mizrahi, James J. 1996. Factories with fences: An analysis of the prison industry enhancement certification program in historical perspective. American Criminal Law Review 33(2) Winter: 411-436.

Ohio Prison Industries, unpublished data on OPI output, employment and salaries for 2004.

Pryor, Frederic L. 2005. Industries behind bars: An economic perspective on the production of goods and services by U.S. prison industries. Review of Industrial Organization 27: 1-16.

Schwalb, Steven. 1994. The state of correction. Proceedings of the American Correctional Association Conference, American Correctional Association.

Scott, Charles E., and Frederick W. Derrick. 2006. Prison labor: The local effects of Ohio prison industries. International Advances in Economic Research 12: 540-550.

The Criminal Justice Institute. 2000. The corrections yearbook. Middletown, CT: The Criminal Justice Institute, Inc.

Walker, Donald. 1988. Penology for profit. College Station, Texas: Texas A&M University Press.

Ripley, Amanda. 2002. Outside the gates. Time, January 21.

Yae, M. 1999. An analysis of correctional industry programs. Corrections Today 61 (6): 94-97.

Notes

(1.) The issue is not new as artisans and businesses argued in the 1800s that prisoners were taking "the means of livelihood from local communities." (Walker 1988)

(2.) IMPLAN, IMpacts for PLANing, a product of Minnesota IMPLAN Group, Inc., generates regional input-output models by converting the United States Benchmark Study of input-output accounts to a regional or local model and closely follows the BEA accounting conventions.

(3.) Indirect and induced employment effects do not include job creation outside of the region.

(4.) In many cases, the state's choice of industry dates back to the 1800s. In the North, the contract system was the predominant model for providing inmate labor to the private sector. In particular, inmate labor was used in the piece-price system in which a fixed price was paid for each item completed. In the South, the lease system was more common. Most of the work was performed outside of the prison - in mines, or on railroads or agricultural projects. Prison labor waned in the late 19th and early 20th Centuries as organized labor gained prominence. Prison labor resurged in the 1970s when laws were passed to protect laborers from exploitation and provide rehabilitative.

(5.) Given the constraints on prison industries, there is the potential that changes will come slowly to prison industries, and if so, the static nature of the I/O model is appropriate. The fact that prison industries focus on poorly performing sectors may be a signal that they are doing a relatively good job in choosing industries that do not compete with the private sector.

(6.) Prison laborers may develop a work mentality including time accounting, productivity, and economic reward, which improve employment opportunities; increased future earnings; improved behavior in prison and lower recidivism. (Derrick, Scott and Hutson 2004).

(7.) A direct comparison of prison and private jobs is not appropriate due to differences in productivity. The value of marginal product for prisoners is approximately one-fourth that of private labor (Pryor 2005; Deloitte and Touche 1991) due lack of job skills, low socialization skills, high labor/capital ratio, and high turnover rates (Ripley 2002). In addition, production time is lost due to security.

(8.) PIE programs require that the prevailing wage be paid to prisoners to assure that potential employers do not choose prisoners over private sector employees on the basis of lower wages. A normal eight hour shift contains approximately four and a half hours of production. The remaining time is lost to shift changes by guards and supervisors, counts of prisoners as they move between prison sections, tool distribution in the morning and at lunch, and tool collection before lunch and at the end of the day.

(9.) With limited PIE participation in both Maryland and Ohio, the data analysis is framed exclusively in terms of "state use" and not PIE, although the analysis is applicable to PIE.

(10.) This implication is especially possible for PIE proposals when a major employment or population center is divided across two states. Since states are the unit of measure for state prison systems and some PIE proposals, these impact assessments may miss prisoners replacing private labor that is in a nearby state.

(11.) The quantitative assessment of the net impact of the specific Washington County prison and the SUI in Maryland as a whole is included in Derrick, Scott, and Ahmadi (2006).

Charles E. Scott, Nancy A. Williams,* and Frederick W. Derrick

* Department of Economics, Loyola University Maryland, Baltimore, MD 21210. Phone: 410-617-2825, Fax: 410-617-2118, Email: nwilliams@loyola.edu
TABLE 1.
Net Private Sector Job Creation in Maryland Sectors in Prison
Industries (rank ordered by Regional Purchase Coefficient (RPC))

                                                       Net Private
                                                         Sector
                           RPC **     New Secondary   Job Creation
                         or Replaced    In-Region     per 1 prison
Maryland Sector          Employment)  Employment ***    job ****

Textile Goods, N.E.C *     0.014        1.485            1.472

Fruits                     0.031        0.445            0.414

Meat Packing Plants        0.064        1.913            1.849

Metal Household            0.08         0.69             0.61
Furniture

Metal Office               0.126        1.169            1.043
Furniture

Apparel Made From          0.164        0.633            0.469
Purchased Materials

Agricultural,              0.191        0.114           -0.077
Forestry, Fishery
Services

Upholstered Household      0.21         0.465            0.255
Furniture

Furniture and              0.212        0.501            0.289
Fixtures, N.E.C

Wood Products, N.E.C       0.325        0.449            0.124

Switchgear and             0.391        0.379           -0.012
Switchboard Apparatus

Commercial Printing        0.481        0.431           -0.05

Wood Partitions and        0.658        0.259           -0.399
Fixtures

Wood Office Furniture      0.714        0.22            -0.494

Other Business             0.8          0.179           -0.621
Services

Computer and Data          0.8          0.174           -0.626
Processing Services

Mattresses and             0.82         0.145           -0.675
Bedsprings

Sanitary Services and      0.889        0.174           -0.715
Steam Supply

Watch, Clock, Jewelry      0.9          0.038           -0.862
and Furniture Repair

Other State/Local          0.906        0.208           -0.697
Government Enterprises

Motor Freight              0.952        0.055           -0.898
Transport and
Warehousing

Maintenance and Repair     1            0               -l
Other Facilities

New Industrial and         1            0               -1
Commercial Buildings


Weighted Mean              0.46         0.591            0.131

* N.E.C.--Not elsewhere classified.

** Source IMPLAN;

*** (Secondary IM)(1--RPC)

**** (Secondary IM)(1-RPC)-RPC

RPC = % of output currently produced within the jurisdiction;

Secondary IM = (Indirect/Direct) + (Induced/Direct);

Indirect = # of jobs created by input demand per prison job
created;

Induced = # of jobs created by income generated and spent
per prison job created.

TABLE 2.
Net Private Sector Job Creation in Ohio Sectors in Prison
Industries (rank ordered by Regional Purchase Coefficient (RPC))

                                            New         Net Private
                         RPC * (or       Secondary       Sector Job
                          Replaced       In-Region     Creation per 1
Ohio Sector              Employment)   Employment **   prison job ***

Misc. fabricated metal     0.014           1.556            1.542
product manufacturing

Broad-woven fabric         0.037           1.055            1.018
mills

Buttons, pins, and all     0.039           1.061            1.023
other misc.
manufacturing

Footwear manufacturing     0.041           1.216            1.175

Cut and sew apparel        0.086           0.833            0.748
manufacturing

Broom, brush, and mop      0.105           1.175            1.07
manufacturing

Soft drink and ice         0.146           2.361            2.214
manufacturing

Other leather product      0.159           0.721            0.562
manufacturing

Ophthalmic goods           0.227           0.796            0.569
manufacturing

Prepress services          0.23            0.779            0.549

Institutional              0.25            1.051            0.801
furniture
manufacturing

Paperboard container       0.262           1.081            0.819
manufacturing

Data processing            0.294           0.984            0.69
services

Sign manufacturing         0.303           0.883            0.58

Dental equipment and       0.383           1.024            0.641
supplies manufacturing

Periodical publishers      0.412           0.988            0.577

Wood office furniture      0.519           0.576            0.057
manufacturing

Commercial printing        0.559           0.5             -0.059

Office furniture,          0.579           0.566           -0.013
except wood,
manufacturing

Miscellaneous wood         0.611           0.445           -0.166
product manufacturing

Waste management and       0.672           0.565           -0.107
remediation services

Management of              0.688           0.498           -0.19
companies and
enterprises

Business support           0.688           0.244           -0.444
services

Commercial machinery       0.688           0.344           -0.344
repair and maintenance

Facilities support         0.688           0.27            -0.418
services

Showcases, partitions,     0.715           0.287           -0.427
shelving, and lockers

Electronic equipment       0.768           0.275           -0.493
repair and maintenance

Auto repair and            0.783           0.364           -0.419
maintenance, except
car

Mattress                   0.85            0.228           -0.622
manufacturing

Commercial and             0.877           0.14            -0.736
institutional
buildings

Warehousing and            0.887           0.089           -0.798
storage

Weighted Mean              0.346           0.947           -0.601

* Source IMPLANT

** = (Secondary IM)(1--RPC):

*** = [(Secondary IM)(1--RPC)]--RPC

RPC = % of output currently produced within the jurisdiction;

Indirect = # of jobs created by input demand per prison job
created;

Induced = # of jobs created by income generated and spent per
prison job created.

TABLE 3.
Comparison of RPC's and Employment Effects for Maryland Sectors
in Prison Industries in Washington  County, MD *

                                            RPC

                             Washington
Maryland Sector                County     MD State   National

Metal Office Furniture         0            0.126      0.909

Switchgear and Switchboard     0            0.391      0.892
Apparatus

Meat Packing Plants            0.234        0.064      0.976

Wood Partitions and            0.411        0.658      0.844
Fixtures

Upholstered Household          0.854        0.21       0.816
Furniture

Motor Freight Transport        1            0.952      1
and Warehousing

New Industrial and             1            1          1
Commercial Buildings

Weighted Average For WC        0.386        0.158      0.908
industries

                               New Secondary In-Region
                                     Employment **

                             Washington
Maryland Sector                County     MD State   National

Metal Office Furniture         1.337        1.169      0.308

Switchgear and Switchboard     0.621        0.379      0.322
Apparatus

Meat Packing Plants            2.571        1.913      0.191

Wood Partitions and            0.329        0.259      0.459
Fixtures

Upholstered Household          0.075        0.465      0.396
Furniture

Motor Freight Transport        0            0.055      0
and Warehousing

New Industrial and             0            1          0
Commercial Buildings

Weighted Average For WC        1.415        1.215      0.286
industries

* Source IMPLAN; RPC = % of output currently produced within
the jurisdiction;

*** Secondary IM = (Indirect/Direct) + (Induced/Direct);

*** Indirect = # of jobs created by input demand per prison
job created;

*** Induced = # of jobs created by income generated and spent
per prison job created.

** = (Secondary IM)(1--RPC)
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