In order to distinguish the impacts of technology adoption at the extensive margin from those at the intensive margin, in the empirical analyses we tested these hypotheses focusing on the differences among marginal adopters of tractor hiring services and nonadopters of similar characteristics....

Research in this thesis deals with some unexplored, or only partially explored, issues relating to the information content of volatility of the idiosyncratic component of asset returns at the firm and industry-level, both in the context of developed and emerging stock markets. Specific issues we...

A food demand system is proposed, based on demand for energy, variety, and tastes of foods. By specifying utility as an explicit function of these characteristics, the entire matrix of demand elasticities can be derived for n foods and one nonfood from prior specification of just four...

Computable general equilibrium (CGE) models are used widely in policy analysis. The purpose of this paper is to contribute to and facilitate the use of CGE models. The paper includes a detailed presentation of a “standard” CGE model (an equation-by-equation description) and its required...

Using a CGE (computable general equilibrium) model for Zimbabwe with 1991 as base period, this paper examines quantitatively the income and equity effects of macroeconomic reform measures in isolation and in conjunction with potentially complementary changes in agricultural sector policies. Some...