This paper studies the impact of a program that provides grants for technical assistance on the interest rates and outreach of credit unions in Mexico. Credit unions financing rural borrowers received grants in different years. The study uses propensity score matching and relies additionally on...

This paper examines the possibility of environmental "development traps," or "brown poverty traps," caused by interactions between the impacts of climate change and increasing returns in the development of "clean-technology" sectors. A simple specification is used in which the economy can...

The author's dynamic model of international borrowing subject to credit constraint was developed for an economy with increasing returns to physical capital. Increases in the capital stock within the nonconvex range increase debtor borrowing opportunities. Conversely, a temporary liquidity shock...

With farms cultivating tens or hundreds of thousands of hectares, Ukraine is often used to demonstrate the existence of economies of scale in modern grain production. Panel data analysis for all the country's farms with more than 200 hectares in 2001-2011 suggests that higher yields and profits...

The authors propose a theory of task trade between countries that have similar relative factor endowments and technological capabilities but may differ in size. Firms produce differentiated goods by performing a continuum of tasks, each of which generates local spillovers. Tasks can be performed...

A growth model with multiple industries is developed to study how industries evolve as capital accumulates endogenously when each industry exhibits Marshallian externality (increasing returns to scale) and to explain why industrial policies sometimes succeed but sometimes fail. The authors show...