Total factor productivity growth in Brazilian agriculture and the role of agricultural research

• Autor(a) principal: Avila, Antonio Flavio Dias
• Data de Publicação: 1998
• Outros Autores: Evenson, Robert
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Economia Aplicada
• Texto Completo: https://www.revistas.usp.br/ecoa/article/view/217763
• topic: Factor productivity; Brazilian agriculture; research & development

This paper reports statistical estimates of the effectiveness of the National System for agricultural research (SN PA ) and rural extension enterprises (EM A TERs) in Brazil. The study is based on an analysis o f Total Factor Productivity (TFP) changes over the agricultural census years 1970, 1975, 1980 and 1985, with separate estimates for both crop and livestock sectors. In the analysis o f the effectiveness o f the research and extension program s, regional (e. g. the cerrados region) and geographic spillovers o f tw o types are incorporated: (1) spillovers from private sector industrial research to agriculture and (2) spillovers from the region o f research conduct to other regions. A grow th accounting exercise indicates that the leading contribution to growth com es from EMBRAPA research program s, with 9 % o f grow th in the aggregate; the industry R & D sector presents a sim ilar contribution; state research institutions contributed 5% to growth.