"The authors develop an endogenous growth model that combines structural change with repeated product improvement. That is, the technologies in one sector of the model become not only increasingly capital-intensive, but also progressively productive over time. Application of the basic model to...

If trade tensions between the United States and certain trading partners escalate into a full-blown trade war, what should developing countries do? Using a global, general-equilibrium model, this paper first simulates the effects of an increase in U.S. tariffs on imports from all regions to...

In the mid-2000s, the production of hearing aids shifted almost entirely to 3D printing. Using difference-in-differences and synthetic control methods, this paper examines the effects of this shift on trade flows. The analysis finds that trade increased roughly 60 percent following the...

Unexpected adverse events that affect areas or populations widely (covariate shocks) can have major consequences for the welfare of a society. Although the negative effects on households, especially among the poor, are well established in the economics literature, fewer studies have focused on...

This paper analyzes power utilities in 15 jurisdictions to understand the determinants of success for reforms aimed at improving financial viability and cost recovery in the power sector and the impacts of these reforms on metrics of sector performance. The analysis finds that electricity...

The paper employs the Commitment to Equity framework to present a first attempt at a comprehensive fiscal incidence analysis for Ukraine, encompassing the revenue and expenditures components of the fiscal system, including direct and indirect taxes, as well as direct, indirect, and in-kind...

This paper develops a classification of investor risks and surveys 51 private investors and financiers in the power sector in Sub-Saharan Africa. The paper aims for a better understanding of what can be done to attract private solutions to fill the investment gap. It finds that the average...