Este trabalho objetivou estimar o valor econômico do serviço ecossistêmico de polinização fornecido pelas abelhas do gênero Xylocopa em três propriedades que cultivam o maracujá-amarelo (Passiflora edulis), as quais estão situadas nos municípios de Viçosa e Paula Cândido, Minas...

Este artigo verifica o cumprimento da Lei do Preço Único (LPU) em mercados separados espacialmente, utilizando o enfoque de co-integração. Foram considerados os preços das cestas básicas nas quatro capitais da região Sudeste do Brasil. O teste de raiz unitária mostra que estas são...

This study analyzes spatial integration in the arabica coffee market of the two main producer states in Brazil. The results of the Dickey-Fuller Augmented (DFA) unit root test show that all price series are integrated of first order, I(1). The results of the Johansen co-integration test suggest...

The objective of this study was to obtain an estimate for residential electricity demand in Minas Gerais in the period from 1970 to 2002. Specifically, the goal was to estimate price and income elasticities. After determining that the series under study were non-stationary, we chose to use the...

This paper studies the applicability of time series models as a decision tool of buy and sell orders of live cattle futures contracts in the Brazilian Futures Market (BM&F), on dates close to expiration. The models considered are: ARIMA, Neural Networks and Dynamic Linear Models - DLM (this in...

This study identified the discriminating factors among continuous and intermittent exporting firms from the South of Minas, regarding variables from the external environment, the internal characteristics and technological innovation. A binary logit model was defined to research the determinants...