Saudi Arabia has mixed expectations ahead of Donald Trump’s imminent second presidency. On the one hand, the royal family maintains close business relations with the president-elect and his entourage, which could lead to privileged access to the White House. On the other hand, Trump’s Middle...

Market power reduces equilibrium quantities and distorts production, typically causing welfare losses. However, as Buchanan (1969) noted, market power may mitigate overproduction from negative externalities. This paper examines this in the global oil market, where OPEC's market power affects oil...