Small and medium enterprise (SME) support programs are a common feature of industrial policy in developing countries, but one whose effectiveness is not well known. Governments are motivated to support SMEs both because they make up the majority of industrial enterprises and contribute substantially to GDP, employment and earnings, and because SMEs are thought to be weaker than their larger counterparts. Few governments, however, have evaluated their SME programs rigorously so there is little empirical basis for rational allocation of resources to the well performing programs. The paucity of...