Could the simplifying assumptions made in project appraisal be so far from the truth that the expected benefits of public investments are not realized? Using data for Vietnam, commonly used estimates of the benefits from irrigation investments based on means are compared with impacts assessed...

Vietnam's ethnic minorities, who tend to live mostly in remote rural areas, typically have lower living standards than the ethnic majority. How much is this because of differences in economic characteristics (such as education levels and land) rather than low returns to characteristics? Is there...

Routine"quick-and-dirty"methods of project appraisal can be so dirty in guiding project selection as to wipe out the net social gains from public investment, contend the authors, illustrating their point with a case study of irrigation projects in Vietnam. They test a common quick-and-dirty...

Vietnam's ethnic minorities, who tend to live mostly in remote rural areas, typically have lower living standards than the ethnic majority. How much is this because of differences in economic characteristics (such as education levels and land) rather than low returns to characteristics? Is there...