One of the most fruitful advances in modern economics has been the introduction of psychological realism into the model of "economic man." The World Development Report 2015 organizes the evidence about how humans actually think and make decisions into a coherent framework useful for designing...

The international development community has been grappling with the challenges of implementing development programs and, consequently, with the design of practical approaches to attaining program objectives. This paper contributes to the emerging discussion on addressing the implementation...

Protectionism and industrial regulation are two topics in which the interplay of politics and economics is so strong that one wonders why the intellectual merger between the two approaches in the New Political Economy has taken so long. After describing the emergence of the state in Western...

The consensus among scholars and policymakers that "institutions matter" for development has led inexorably to a conclusion that "history matters," since institutions clearly form and evolve over time. Unfortunately, however, the next logical step has not yet been taken, which is to recognize...

This study investigates the World Bank's use of lending and non-lending instruments to affect the policy priorities of developing countries. In a typical year, the World Bank lends more than $30 billion to its client countries. It also spends approximately $200 million on the provision of...

What major insights have emerged from development economics in the past decade, and how do they matter for the World Bank? This challenging question was recently posed by World Bank Group President David Malpass to the staff of the Development Research Group. This paper assembles a set of 13...

In Localizing Development, Mansuri and Rao survey theory and evidence for development strategies based on local community empowerment. This note extends their theoretical argument by focusing on local government as a vital source of new leadership. Local leaders who provide better public service...

In the 21st century, many developing countries will become emerging markets and will no longer be in need of the carrot-and-stick approach to development assistance most prevalent today: development financing made available conditional on certain policies and interventions. This paper suggests...