This paper examines de jure and de facto measures of regulations, finding the relationship between them is neither one for one, nor linear. "Doing Business" provides indicators of the formal time and costs associated with fully complying with regulations. Enterprise Surveys report the actual...

Firms in Africa report "regulatory and economic policy uncertainty" as a top constraint to their growth. This paper argues that often firms in Africa do not cope with policy rules, rather they face deals: firm-specific policy actions that can be influenced by firm actions (such as bribes) and...

Focuses on four challenges for fragile states: (1) isomorphic mimicry from evolutionary theory (that animals sometimes use deception to look more dangerous than they are to enhance survival) ; (2) wishful thinking; (3) pre-mature load bearing; and (4) a middle way advocating for a 'good enough'...

This paper compares the wages of workers inside the United States to the wages of observably identical workers outside the United States-controlling for country of birth, country of education, years of education, work experience, sex, and rural-urban residence. This is made possible by new and...

In many nations today the state has little capability to carry out even basic functions like security, policing, regulation or core service delivery. Enhancing this capability, especially in fragile states, is a long-term task: countries like Haiti or Liberia will take many decades to reach even...

Cross-national data show no association between increases in human capital attributable to the rising educational attainment of the labor force and the rate of growth of output per worker. This implies that the association of educational capital growth with conventional measures of total factor...

This paper compares the wages of workers inside the United States to the wages of observably identical workers outside the United States-controlling for country of birth, country of education, years of education, work experience, sex, and rural-urban residence. This is made possible by new and...

World Bank economists are mostly practical people, people who try to answer the question, 'what exactly should this particular country do right now?' But if they had hoped that the growth regression lessons summarized in William Brock and Steven Durlauf's article would enhance their practical...

This article presents an approach to public policy in health that comes directly from the literature on public economics. It identifies two characteristic market failures in health. The first is the existence of large externalities in the control of many infectious diseases that are mostly...

When the World Bank dreams of 'a world free of poverty,' what should it be dreaming? In measuring global income or consumption expenditure poverty, the World Bank has widely adopted the $1 a day standard as a lower bound. Because this standard is based on poverty lines in the poorest countries,...