The optimum behavior of a competitive risk-averse international trader who supplies or demands commodities invoiced in foreign currency is examined when his profits are subject to several forms of risk: production, domestic cost, the exchange rate and the commodity price. The focus of our study...

See also the publication in the <I>European Economic Review</I>, 2002, 301-327.<P> The paper considers a two-country model of overlapping generations heterogenouseconomies with intergenerational transfers carried out in the form of bequest and investmentin human capital. We examine in competitive...</p></i>

The paper studies the determinants of income distribution and growth in an overlapping generations economy withheterogenous households. Our framework has the following main features:heterogeneity of consumers with respect to wealth and parental human capital;intergenerational transfers,...

The authors examine the behavior of a competitive risk-averse exporting firm subject to exchange rate and commodity price uncertainty, and to background uncertainty arising from cost and production. The aim of their study is fourfold--namely to look at: (1) the robustness of the results in...

Recent criticism from different sides has expressed the view that, with scarce resources, there is little justification for massive public funding of higher education. Central to the debate is the conjecture that colleges and universities use their resources inefficiently and focus...

The paper offers a unified way to examine several puzzles on inequality dynamics. It focuses on differences in the education technology and their effects on income distributions. Our overlapping generations economy has the following features: (1) consumers are heterogenous with respect to...

The paper considers a two-country model of overlapping generations heterogenous