Acknowledgments -- About the authors -- Abbreviations -- Disquiet on the weather front : implications of climate change for poverty reduction / Emmanuel Skoufias -- The forecast for poverty : a review of the evidence / Emmanuel Skoufias, Mariano Rabassa, and Sergio Olivieri -- Too little, too...

While providing the most reliable method of evaluating social programs, randomized experiments in developing and developed countries alike are accompanied by political risks and ethical issues that jeopardize the chances of adopting them. In this paper we use a unique data set from rural Mexico...