Every year, thousands of people flee their country of origin to seek protection mainly in neighboring countries. Understanding better the consequences of temporary population shocks on hosting economies should help to guide policies to enhance resilience in emergency situations. This study...

This methodological note discusses the potential and limits of using voucher-based experiments to randomly evaluate the micro-level impact of infrastructures on households' well-being. We argue that such methods are policy relevant, statistically robust, and ethically correct. A number of...

Since registering a disappointing growth of 1.2 percent in 2002, Nigeria's economic performance has rebounded, averaging growth at 7.3 percent between then and 2007. However, the pressing challenge for the nation lies in maintaining and improving current economic growth indicators and...

This paper has been produced to support the Government of Yemen and the international community in designing a transition plan for the country. The political crisis and conflict situation in Yemen has led to a sharp decline in economic output beginning in 2011—a decline from which Yemen...