In this paper the scope of Bergstrom's (1982) results is studied. Moreover, his analysis is extended assuming that extraction cost is directly related to accumulated extractions. For the case of a competitive market it is found that the optimal policy is a constant tariff if extraction is...

Stagflation, a simultaneous increase in inflation and unemployment, is generally thought to result from exogenous oil shocks. In this paper, we investigate another potential source of stagflation focusing on tariffs. Relying on the estimation of structural VAR model with sign restrictions over...