Os Investimentos em rodovias federais na região centro-sul do Brasil e sua importância para a produção de soja: uma análise em dados em painel

Abstract

This study aims to assess the significance of a set of economic variables found in the literature , such as soybean production factors of influence in the states of Mato Grosso , Mato Grosso do Sul , Paraná, Goiás and Rio Grande do Sul , which are the main producers Brazilians , between the years 2005 to 2014. Therefore, it was estimated results through panel data , through the fixed effect methods ( FE ) and variable effects ( RE ) proposed by Wooldridge (2002 ) . In the estimates , we applied an econometric model with individual effects to the data pane , where , through the Hausman test , it was identified that the estimate random effects is more appropriate where produced good estimates for the coefficients , all being statistically significant and expected signal.