While results from individual Randomized Controlled Trials (RCTs) often do not hold beyond their setting, the accumulation of many RCTs can be used to guide policy. But how many studies are required to confidently generalize? Our paper examines construct validity, an often neglected yet...

While results from individual Randomized Controlled Trials (RCTs) often do not hold beyond their setting, the accumulation of many RCTs can be used to guide policy. But how many studies are required to confidently generalize? Our paper examines construct validity, an often neglected yet...

Mikrounternehmen sind für einen Großteil der armen Weltbevölkerung Haupteinkommens- und Beschäftigungsquelle. Die Entwicklung geeigneter Förderprogramme für Mikrounternehmen stellt weiterhin eine große Herausforderung dar. Während Finanzspritzen oft bei der Unternehmensgründung helfen,...

Six randomized control trials were published simultaneously in one issue of the 'American Economic Journal: Applied Economics' in 2015. The studies show no or minimal impact from providing microloans to clients and have led many researchers and policy makers to conclude that microfinance has...

Mikrounternehmen sind für einen Großteil der armen Weltbevölkerung Haupteinkommens- und Beschäftigungsquelle. Die Entwicklung geeigneter Förderprogramme für Mikrounternehmen stellt weiterhin eine große Herausforderung dar. Während Finanzspritzen oft bei der Unternehmensgründung helfen,...

Microenterprises are the main source of income and employment for a majority of the world's poor. Developing appropriate programs to help microenterprises grow remains a challenging task. While injections of capital can often help start-ups, funding sustainable business expansion is clearly a...