This paper, which was prepared for presentation in the program of the 2013 International Energy Workshop Conference held on 1921 June in Paris, France is an extensively revised, expanded and slightly retitled version of UNUMERIT Working Paper 2013009. The latter paper has been cited in other...

This paper offers a unified framework to explore both the static and dynamic welfare effects of trade and multinational production MP in the presence of firm-specific productivity heterogeneity. The model captures the dynamic effects by allowing for RD spillovers between firms in a framework of...

This paper develops a model positing a nonlinear relationship between public investment and growth. The model is then applied to a panel of African countries using nonlinear estimating procedures. The growth-maximizing level of public investment is estimated at about 10 percent of GDP based on...

We construct and estimate a unified model combining three of the main sources of cross-country income disparities: differences in factor endowments, barriers to technology adoption and the inappropriateness of frontier technologies to local conditions. The key components are different types of...

Cross-country data reveal that the per capita incomes of the richest countries exceed those of the poorest countries by a factor of thirty-five. We formalize a model with embodied technical change in which newer, more productive vintages of capital coexist with older, less productive vintages. A...

We construct and estimate a unified model combining three of the main sources of cross-country income disparities:[...]