In this paper it is shown that it matters a lot for empirical research whether policy is taken to be exogenously set or … to be endogenous. In the model investment depends on policy which depends on economically important fundamentals and is …, thus, endogenous. Conditioning on factor accumu- lation in growth regressions that also include endogenous policy variables …

been influential in formulating a strict drug policy in many western countries. Individual differences in proneness and … different policy implications. We propose a Bayesian estimation and predictive framework to analyze the effects and relative … importance of previous cannabis use, proneness and accessibility factors on hard drug initiation and to explore potential policy …

examine whether hospital policy can stimulate hospital TFP growth. We exploit variation across German federal states in the …