We study two issues in the enforcement of public law. The first is whether the system of inspections and penalties set by the regulator is effective. The second is whether a better system of inspections and penalties can be designed, given the institutional constraints under which the regulator...

The errors-in-variables (EIV) problem is pervasive in econometrics but has not received the attention it deserves, perhaps because it is difficult to resolve. The first objective of this paper is to demonstrate the effectiveness of recently developed methods to deal with the EIV problem in...