Avaliação e distribuição dos ganhos sociais da adoção de novas tecnologias na cultura do feijão caupi no nordeste

Abstract

The research studied the economic viability and distribution of social benefits resulting rom technical change in production of cowpea in the Northeast. ln order to verify the economic viability of technological change, the research used the technique of partia! budgeting and the benefit/cost ratio criterion. To quantity the social benefits, the concept of producer and consumer surpluses was used. The change in net income was positive and the value of the benefit/cost ratio superior to that of the traditional technology. The social benefits attained the values of 38.6 and 30,4 million cruzados, respectively, for producers and consumers, measured as the results of new technology adoption. The results permitte the conclusion that the new technology is economically viable and woyld generate positive benefits for soiety.