moffett, maurice; bohara, alok k.; gawande, kishore - EconWPA - 2005
of penalties relative to the number of violations, and substantial resources devoted to inspections of vessels, this … evidence. If USCG inspections are considered exogenous variables (as the theory presumes), they appear to prevent pollution … spills. But if inspections are endogenous and respond to previous spills then correcting for endogeneity reverses the earlier …