This paper offers the first evidence on the prevalence of a central actor in modern growth theory?the engineer. Using newly collected sub-national, and international data as well as historical case studies, it then argues that differences in innovative capacity, captured by the density of...

Governments must decide how to allocate limited resources for infrastructure development, particularly since financing gaps have been projected for the coming decades. Social cost-benefit analysis provides sound project appraisal and, when systematically applied, a basis for prioritization. In...

This paper examines whether demands for bribes for particular government services are associated with expedited or delayed policy implementation. The "grease the wheels" hypothesis, which contends that bribes act as speed money, implies three testable predictions. First, on average, bribe...

This paper presents new evidence that cronyism reduces long-term economic growth by discouraging firms' innovation activities. The analysis is based on novel establishment survey data from The Arab Republic of Egypt which provides information on establishments' political connections, their...

Although market concentration is one of the main impediments to productivity growth globally, data constraints have limited its analysis to developed countries or cross-country studies based on definitions of market concentration across nations and industries. This paper takes advantage of a...