It is argued that the corn–guano model proposed by Bidard and Erreygers is too simple as a representation of Hotelling's theory because it does not reflect the distinction between the resource in situ and the extracted resource. The claim to have transposed the representation of Hotelling's...

In December 2022, following Russia's invasion of Ukraine, a G7-led coalition of countries imposed a $60 per barrel price cap on the sales of Russian oil that use western services. This paper provides a theoretical and quantitative analysis of this new tool. We build a tractable equilibrium model...