摘要：This study aimed to estimate tourism demand function of Tabriz Elgoli Park in Iran by travelling costs pattern in the frame of household production function, and then effective factors of the issue are investigated. The method of study is based on the estimation of tourism production functions, final cost of travelling, and calculating the shadow price of tourism. According to the results of the study, time, distance and travel costs affect on tourism and the final cost of tourism is calculated as 3368825.7 Rials per day. Findings show that there is a positive relationship between tourism with travelers' income, quality of the park, educational level of visitors and a negative relationship with final cost (shadow price) of the tourism. The results of estimation model express that among all factors, the quality of park is the most effective factor in tourism demand. Therefore, any consideration of responsible people to the environmental quality of the park would increase tourist attraction, which leads to economical prosperity of the region
关键词：Household production function; Tourism demand; Econometric model; ; Elgoli Park
