We were asked to discuss specific methodological approaches to evaluating three hypothetical interventions. This article uses this forum to discuss three misperceptions about randomized trials. First, nobody argues that randomized trials are appropriate in all settings, and for all questions....

This paper examines the causes of Taiwan's exceptional economic performance, focusing on the influence of organizational and policy choices and how Taiwan's example differs from those of more typical less-developed countries. After briefly citing cultural factors as proposed by his late...

At the very time that professional skepticism concerning the effectiveness of foreign aid has reached new heights, donors seem to be ready to substantially increase the volume of aid they are willing to make available. This paper attempts to address this paradox by first examining the record of...

There is little doubt that technology change, both in terms of its process and quality dimensions, represents the principal driving force to explain comparative economic performance at both micro and macro levels. This paper examines the sources of technology change and the impediments to the...

This paper reviews the literature on the impact of ethnic diversity on economic development. Ethnically polarized societies are less likely to agree on the provision of public goods and more likely to engage in rent seeking activities providing lower levels of social capital. Initial conditions...