In many low- and middle-income countries most micro and small enterprises (MSEs) struggle to upgrade into medium-sized and large enterprises. An extensive literature offers manifold explanations for the phenomenon but no conclusive answer on what the most important factors for MSE upgrading are:...

This note investigates the impact of changes in the number of business owners on three measures of economic performance, viz. employment growth, GDP growth and labor productivity growth. Particular attention is devoted to the lag structure. The analysis is performed at the country level for 21...