I propose a new conceptual framework to disentangle the impacts of weather and climate on economic activity and growth: A stochastic frontier model with climate in the production frontier and weather shocks as a source of inefficiency. I test it on a sample of 160 countries over the period...

Using the currency demand approach size and development of the Colombian shadow economy are estimated over the period from 1976 to 2002. In the 70s the size fluctuated around 20% of official GDP and rose to 50% in the 90s. The most important factors driving the shadow economy are unemployment...

The idea that a trade-off exists between current levels of consumption and future levels of human capital is modeled. As shocks in international commodity prices affect income and modify the optimal consumption basket, household members adjust their time preferences between school and work. As a...