Recent Working Papers

A Lattice Test for Additive Separability, 2018. Establishes necessary and sufficient conditions for a finite data set of price and demand observations to be consistent with an additively separable preference, with an empirical application to panel data on food purchases. Working Papers: IFS 2018, St Andrews 2018. Slides: Additive Separability.

Older Working Papers

Demand Analysis with Partially Observed Prices (with Ian Crawford), 2016. Demonstrates that demand analysis remains feasible in the presence of partially observed prices, even while agnostic about the nature of missing prices. Working Papers: Leicester 2016, IFS 2015.

Ambiguity Revealed (with Ralph-C. Bayer, Subir Bose, and Ludovic Renou), 2013. Derives and implements revealed preference tests for variational preferences, maxmin expected utility, and subjective expected utility. Working Papers: Adelaide 2013, IFS 2013, Leicester 2012.