FAI Insights: What is rigorous impact evaluation?

FAI Insights: What is rigorous impact evaluation and why is it important? Michael Clemens, Senior Fellow at the Center for Global Development (CGD) and visiting scholar at the Financial Access Initiative and at New York Univesrsity (NYU) Wagner  and the NYU Dept. of Economics (Spring 2011), talks about the findings from his research into the UN Millennium Villages. Visit his World Bank blog for a summary of key findings.