For many years, offshore wind was the expensive cousin of onshore wind with generation costs in the range of USD 150 to USD 200 per megawatt hour (MWh). This changed dramatically between 2016 and 2017 when a series of competitive tenders in Europe witnessed strike prices fall below USD 100/MWh,...

We show that the incorporation of offshore entities increases when oil and gas exploration licences are awarded. We exploit leaked data on the incorporation of shell companies and detailed information on tax havens and the awarding rounds of oil licences to construct a new data set covering 119...