The paper provides a critical review of the literature on the concept of progressivity in thetaxation of petroleum and mineral resources and offers a fresh perspective on its purpose andmeasurement. Regressive taxes, such as royalties, exist to satisfy policy objectives other thanrevenue...

The paper shows how a tax holiday may signal to a skepticalcapital market that the future level of taxation will be moderate.After the signal has informed investors that the host countrygovernment is a low-spender, the tax profile flattens out, correspondingto a tax reform stage. Contrary to the...