This paper discusses the evaluation problem using observational data when the timing of treatment is an outcome of a stochastic process. We show that, without additional assumptions, it is not possible to estimate the average treatment effect and treatment on the treated. It is, however,...

This paper offers a conceptualmodel for participatory research projects thataim to improve the sustainability ofagriculture and natural resource management.The purpose of the model is to provide asystematic framework that can guide the designof participatory research projects, theiranalysis, and...

This paper makes use of the International Monetary Fund's (IMF) Database for Monitoring Fund Arrangements (MONA) to investigate whether transition countries that more successfully implement the conditionality of IMF programs in the early transition years show a better performance in recovery and...

This paper estimates the relative efficiency of eight Swedish labor market programs in reducing the unemployment duration for participants. The analysis uses a hazard regression model and a uniquely large and rich administrative data set that contains all adult workers who became unemployed...

Stark erweiterte Neubearbeitung der "Netzplantechnik" (7. Auflage: BA 1/95), das als Standardwerk auf keiner Literaturliste fehlt. Vermittelt Grundlagenwissen für Studierende, auch für Aus- und Weiterbildungskurse in Wirtschaft und Verwaltung. Eine Aktualisierung der zugehörigen "Übungen zur...