Trade and investment in services are inhibited by a range of policy restrictions, but the best offers so far in the Doha negotiations are on average twice as restrictive as actual policy. They will generate no additional market opening. Regulatory concerns help explain the limited progress. This...

Trade and investment in services are inhibited by a range of policy restrictions, but the best offers so far in the Doha negotiations are on average twice as restrictive as actual policy. They will generate no additional market opening. Regulatory concerns help explain the limited progress. This...

Trade and investment in services are inhibited by a range of policy restrictions, but the best offers so far in the Doha negotiations are on average twice as restrictive as actual policy. They will generate no additional market opening. Regulatory concerns help explain the limited progress. This...

Macroeconomic data have been shown to vary substantially between sources, especially so for low-income countries. While the impact of data revisions on inference is well documented for cross-country studies, there is no systematic analysis of the robustness of results obtained from time series...

This paper discusses what could be done to expand services trade and investment through a multilateral agreement in the World Trade Organization. A distinction is made between market access liberalization and the regulatory preconditions for benefiting from market opening. The authors argue that...

This paper confirms recent evidence of a positive impact of aid on growth and widens the scope of evaluation to a range of outcomes including proximate sources of growth (e.g., physical and human capital), indicators of social welfare (e.g., poverty and infant mortality), and measures of...

A recent study of 36 sub-Saharan African countries found a positive impact of aid in the absolute majority of these countries. However, for Tanzania and Ghana, two major aid recipients, aid did not seem to have been equally beneficial. This paper singles out these two countries for a more...

In a recent article, Nowak-Lehmann, Dreher, Herzer, Klasen, and Martínez-Zarzoso (2012) (henceforth NDHKM) conclude that foreign aid has not had a significant effect on income, based on evidence from panel data potentially covering 131 countries over the period 1960-2006. The present study...