This paper proposes a new framework to analyze aid effectiveness. Using World Bank firm survey data and OECD aid flow data, the authors analyze whether aid targets areas that firms in developing countries have identified as obstacles for their growth and whether aid actually improves firms'...

This working paper assesses cross-border economic integration in the Lower Congo region. It focuses on the Kinshasa-Brazzaville conurbation, which is projected to become Africa's largest urban area by 2025, and is already serving as the gateway to large hinterlands. Despite their size and...

The past decade has witnessed significant advances in the microeconometric analysis of recreation data. In this review, we focus on two areas in which these innovations have been especially prolific: accounting for unobserved preference heterogeneity and controlling for unobserved and possibly...

Low-cost airlines in Mexico affect the lowest-quoted fares of one of the two principal incumbent carriers, but have no effect on the lowest-quoted fares of the other incumbent carrier. The same conclusion holds for competition between incumbent carriers where the lowest-quoted fares of one of...