We use a stylized model to show that, if transfers to the poor are founded on a security argument, there is a negative trade-off between law enforcement expenditures and criminality. In contrast, if transfers are based on altruism, the correlation between the same variables may appear positive....

Our paper deals with the welfare and employment effects of green tax reforms. In the first part we develop a flexible, interactive simulation model which is accessible under http://brw.zew.de. Users can specify their own green tax reforms or emission quotas and quantify welfare and employment...