A number of studies document an in-group bias in social dilemma situations. While group structure and dynamics are important in shaping in-group favouritism, less attention has been paid to individual characteristics affecting favouritism. Using data from dictator games conducted among 523...

Successful development programs rely on people to behave and choose in certain ways, and behavioral economics helps us understand why people behave and choose as they do. Approaching problems in development using behavioral economics thus leads to better diagnosis and to better-designed...

Behavioural economics highlights the role of social preferences in economic decisions. Further, populations are heterogeneous; suggesting that group composition may impact the ability to sustain voluntary public goods contributions. This parallels research in public economics where...

This paper examines the measurement of social welfare, poverty and inequality taking into account features that have been found to be important welfare determinants in behavioural economics. Most notably, we incorporate reference-dependence, loss aversion and diminishing sensitivity - aspects...

Do aid projects affect citizens' motivation to pay taxes? We address this question by combining fine-grained data on aid projects from AidData and survey data from the Afrobarometer for 34 African countries. We first employ a subnational analysis, where the treatment varies by administrative...

The total funding envelope for World Bank projects is often divided among various state and non-state actors, each of which can have competing ideas about or interests in the project. How does the division of financing relate to overall project effectiveness? I argue that too many funding...

Interventions in remote, rural settings face high transaction costs. We develop a model of household decision-making to evaluate how non-governmental organizations (NGOs) address these implementation-related challenges and influence intervention effectiveness. To test our model's predictions, we...

In this paper we analyse the impact of foreign aid on gender outcomes and attitudes. We do this by matching geocoded household surveys with aid projects. This offers a middle way between project evaluations and aggregated cross-country comparisons, measuring an average community effect around...

Empirical studies on the effectiveness of aid to the water, sanitation, and hygiene sector (WASH aid) have focused primarily on access to these services as the benchmark for evaluating the effectiveness of aid in this sector. Given the importance of WASH services for public health outcomes, the...