Development Economics: Theory Empirical Research and Policy Analysis" by Julie Schaffner offers a means to think about development and policy in a way that is disciplined by economic theory and informed by empirical research. The main goal of this text is to get readers to think rigorously using...

Many researchers have dealt with potential selectivity bias in developing country wage equations by employing Heckman's (1979) two-step method or related techniques, despite the potential for such methods to produce misleading results if the assumptions on which they are based are incorrect....