The evidence that earnings rise with firm size and that human capital affects earnings based on labour market data are two of the most robust empirical findings in economics. In contrast the evidence for scale economies in firm data is very weak. The limited direct evidence of human capital on...

It has been argued that Africa will not be able to export manufactures as it lacks the necessary skills. Without an ability to export there will only be an incentive to invest in the sector if domestic demand grows rapidly. Comparative data for four African countries - the Cameroon, Ghana, Kenya...

Agricultural and other physically demanding sectors are important sources of growth in developing countries but prevalent diseases such as malaria adversely impact the productivity, labor supply, and occupational choice of workers in these sectors by reducing physical capacity.  This study...

Using data from a randomized control trail in Sri Lanka, this paper explores whether cash and in-kind grants helped microenterprises approach the productivity level of SMEs.  The paper first estimates production functions and subsequently treatment effects on TFP levels.  Most significantly,...

What is the relationship between entrepreneurial saving practices and reinvestment?  We develop a model of entrepreneurial finance and show that entrepreneurial reinvestment decisions depend on the efficiency of saving practices.  Utilizing a novel micro & small enterprise survey from Tanzania...

We study the origins of adult mental health using early life income fluctuations.  Combining a time series of real producer prices of cocoa with a nationally representative household survey in Ghana, we show that a one standard deviation rise in the cocoa price in early life decreases the...

We report on a randomized field experiment using price incentives to address both economic and gender inequality in land tenure formalization.  During the 1990s and 2000s, nearly two dozen African countries proposed de jure land reforms extending access to formal, freehold land tenure to...

This paper provides an overview of a new database that contains intellectual property data - in the form of patents and trademarks - for the population of firms registered in the UK.  The paper discusses the principal challenges involved in the construction of this integrated database and...

Much has been written on the determinants of input and technology adoption in agriculture, with issues such as input availability, knowledge and education, risk preferences, profitability, and credit constraints receiving much attention. This paper focuses on a factor that has been less well...