In 2006 the Center for Global Development's report 'When Will We Ever Learn? Improving lives through impact evaluation' bemoaned the lack of rigorous impact evaluations. The authors of the present paper researched international organizations and countries including Mexico, Colombia, South...

Standard growth incidence curves describe how growth episodes impact on the overall income distribution. However, measuring the pro-poorness of the growth process is complex due to (i) measurement errors and (ii) effect shocks that may hit the percentiles of the income distribution in different...

In many low-income transition countries, where formal institutions such as courts do not function effectively, informal institutions are often used by firms to minimize transaction risks. We examine the role of informal institutions, in the forms of relational contracting and social networks, in...

Despite rapid economic growth in recent decades, informality remains a persistent phenomenon in the labour markets of many low- and middle-income countries. A key issue in this regard concerns the extent to which informality itself is a persistent state. Using panel data from Ghana, South...

The author applies the bunching methodology to South African administrative tax data over the period from 2011 to 2017 to investigate the responsiveness of individual taxpayers to changes in marginal personal income tax rates. She finds significant evidence of bunching among the self-employed...

A large informal sector is a challenge for developing countries building up social protection systems. Expanding social safety nets reduces poverty, but financing them can increase the tax burden, potentially reducing availability of formal sector jobs. This paper quantifies impacts on income...

Over the last 35 years, microfinance has been generally regarded as an effective policy tool in the fight against poverty. Yet, the question of whether access to credit leads to poverty reduction and improved wellbeing remains open. To address this question, we conduct a systematic review of the...

We use household survey data to investigate the effects of formal, private property rights to agricultural land on agricultural investment, land valuation and access to credit in Tanzania. Results show that while there are no detectable effects of formal, private land property rights (written...

We survey selected parts of the growing literature on the microeconomics of violent conflict, identifying where academic research has started to establish stylized facts and where methodological and knowledge gaps remain. We focus our review on the role of civilian agency in conflict; on wartime...

This paper explores the relationship between imports and firm productivity, focusing on imported intermediates. Using firm-level data on over 20,000 manufacturing firms in Viet Nam, we find evidence for competition-induced productivity gains from trade. We show that gains in intermediate sectors...