A study of both informal and formal financial markets in Ghana, Malawi, Nigeria and Tanzania, Financial Market Fragmentation and Reform in Sub-Saharan Africa, shows that informal institutions use specialized methods to serve broad segments of the population that lack access to banks. Although...

This study investigates the apparent contradiction between the high propensity of small- and medium-sized enterprises (SMEs) to identify finance as their primary constraint and the view of banks that SME lending remains low in part for lack of bankable demand. Surveys were conducted of...

The authors start from the premise that governments act as agents of the public in regulating pollution, using the instruments at their disposal. But when formal regulatory mechanisms are absent or ineffective, communities will seek other means of translating their preferences into reality....

Several previous studies have asked whether environmental controls imposed in the industrial economies are diverting investments in pollution-intensive activities off-shore. Broadly, these studies conclude that direct investment does not appear to be stimulated by such regulations, partly...

Using new international data, the authors test for an inverse U-shaped, or"Kuznets,"relationship between industrial water pollution and economic development. They measure the effect of income growth on three proximate determinants of pollution: the share of manufacturing in total output, the...