Momentum is a pervasive characteristic of financial markets that lacks a broadly accepted explanation. In addition to its longstanding challenge to asset pricing theory, recent work finds that momentum poses a challenge for expected utility (EU) theory, opening an avenue for new decision...

We investigate consumers’ preference for scarcity in a real market with large stakes. We find evidence that the elasticity of demand for scarcity is constant across prices ranging from $50 to nearly $4 million, that preference for scarcity follows a power law, and that it explains 95% of the...