A new approach is proposed to select a predetermined number of ?reasonable" (the best in a certain sense) alternatives from the considerable (maybe a vast) set of initial alternatives according to an arbitrary number of optimization criteria and accounting for uncertainty factors. The approach...

The Neoclassical theory of production establishes a dual relationship between the profit value function of a competitive firm and its underlying production technology. This relationship, usually referred to as the duality theory, has been widely used in empirical work to estimate production...

The law of the tendential fall in the rate of profit has been at the center of theoretical and empirical debates within Marxian political economy ever since the publication of Volume III of Capital. An important limitation of this literature is the absence of a comprehensive econometric analysis...

In the research area of crop yield density estimation and in particular in risk analysis, little emphasis has been given to the appropriateness of transformation methods (e.g., removing a linear trend) and how such transformations impact the reliability of the empirical distribution functions...

This study first shows that a transactions costs band may exist in commodity spot and futures markets and spatially separated markets as a result of the arbitrage process. Then, by using a bivariate vector error correction model (VECM), this thesis shows that the null hypothesis of linearity can...

A cultura cafeeira foi e continua sendo de primordial importância para a economiabrasileira. Além de importante fonte de renda para a economia brasileira, o café temdestacada participação nas receitas cambiais, na transferência de renda entre setores e naformação de capital no setor...