It is often difficult to determine the extent to which observed output gains are due to a new technology itself, rather than to the skill of the farmer or the quality of the plot on which the new technology is tried. This attribution problem becomes especially important when technologies are not...

We introduce a method for properly attributing observed productivity and risk changes among new production methods, farmers, and plots by controlling for farmer and plot heterogeneity. Results from Madagascar show that the new system of rice intensification (SRI) is indeed a superior technology....

The lack of a reliably safe food supply in developing countries imposes major costs on both public health and market performance. This paper addresses the question of whether and why food processing firms voluntarily invest in food safety in the absence of effective regulatory enforcement. Using...