摘要：The objective of this study was to assess the economic return from R&D investments in the citrus sector in São Paulo state, Brazil. Brazilaccounts for 80% of the total frozen concentrate orange juice (FCOJ) traded in the international market, and São Paulo state is responsible for 98% of Brazilian FCOJ exports. The Tornqüist Index Method was used to estimate the Total Factor Productivity (TFP) for the citrus industry, in order to compare the outcomes with and without citrus R&D investments. For every 1.00 Realinvested in citrus research, there is an increase of 13.00 Reaisin the values of orange production in São Paulo state.
关键词：Research and Development;total factor productivity;economic return;citrussector.
