This paper argues that trade specialization played an indispensable role in supporting the Industrial Revolution, allowing the economy to shift resources to the manufacture without facing food and raw materials shortage. In our arti cial economy, there are two sectors agriculture and manufacture...

This article investigates the causes in the reduction of labor force participation of the old. We argue that the changes in social security policy, in technology and in demography may account for most of the changes in retirement over the second part of the last century in the U.S. economy. We...

This article studies the determinants of the labor force participation of the elderly and investigates the factors that may account for the increase in retirement in the second half of the last century. We develop a life-cycle general equilibrium model with endogenous retirement that embeds...

This paper studies the impact of HIV/AIDS on per capita income and education. It ex- plores two channels from HIV/AIDS to income that have not been sufficiently stressed by the literature: the reduction of the incentives to study due to shorter expected longevity and the reduction of...

This article investigates the causes in the reduction of labor force participation of the old. We argue that the changes in social security policy, in technology and in demography may account for most of the changes in retirement over the second part of the last century in the U.S. economy. We...

Este artigo analisa evidência empírica a cerca do impacto de infraestrutura sobre crescimento da produtividade e do produto. Estimações que usam 3 diferentes conjuntos de dados - séries temporais para a economia americana, dados a nível de indústria e dados cross-section para países -...

Neste artigo desenvolve-se um modelo de crescimento econômico endógeno para o caso de duas economias integradas levando-se em conta a presença de custos de transporte na forma de iceberg costs. A presença de tais custos juntamente com a existência de ganhos de escala terá um efeito...