Understanding how internal labour migration affects the agricultural sector is important for all developing countries whose markets do not work well or are non-existent. In fact, even if the movement out of the agricultural sector can be viewed as a process to reach development for many African...

Empirical evidence suggests that the social effects of internal migration may be substantially different from those associated with the arrival of international migrants. In this paper, I provide the first evidence of the effect of internal migration on crime with longitudinal data from...

In our framed laboratory experiment, two Public Officials, A and B, make consecutive decisions regarding embezzlement from separate funds. Official B observes Official A's decision before making their own. There are four treatments: three with deterrence and one without. We find a peer effect in...

Revenues from taxation gain importance to finance economic development in sub-Saharan Africa. Extortion of bribes by public officials can provide one obstacle for tax compliance. This paper uses micro-level data from the Afrobarometer to analyse how petty corruption erodes tax morale. A...

This paper analyses the roles that states, civil society, and international actors can play in tackling the weak governance that sometimes leads to resources being used for private rather than public benefit. It discusses the corruption that bedevils licensing and commodities trading; and oil...

The paper reviews the debate about transparency in extractive industry commodities trade. It examines the obstacles to improved transparency. A critical review of the experience with estimating losses from a lack of transparency concludes that many of the published estimates of losses from...

This paper, the first of two on global oil theft and fraud, discusses the prevalence, methods, and consequences of global oil theft, valued at US$133 billion per year and equivalent to 5-7 per cent of the global market for crude oil and petroleum fuels. However, the impact of oil theft is...

This second of two papers on global oil theft discusses ways to reduce oil theft, misappropriation, and fraud. At US$133 billion per year, oil is the largest stolen natural resource globally, while fuel is the most smuggled natural resource. Oil theft equates to 5-7 per cent of the global market...

While the short-term effects of the COVID-19 pandemic on lives and livelihoods are well understood, we know little about the effect of the pandemic for longer-term outcomes such as corruption. We look at the historical data on political and economic crises to assess what we can learn from the...

We show that legal opacity is a strong factor in drug trafficking. We develop a new framework that illustrates how legal opacity influences countries' seizure rates. Legal opacity reduces the detection of illicit flows and increases their volumes because it lowers trafficking costs. We use...