Pawel Dziewulski is a Career Development Fellow at the Department of Economics and an Economics Tutor at Lady Margaret Hall, University of Oxford. He received his bachelors degree from the Warsaw School of Economics and his doctorate from the University of Oxford. His research focusses on topics in monotone comparative statics and revealed preference analysis. He is also interested in, and have worked on, issues in general equilibrium, game theory, and behavioural economics. His most recent publications include Efficiency of competitive equilibria in economies with time-dependent preferences, “Journal of Economic Theory” (2015), and Differential information in large games with strategic complementarities, “Economic Theory” (2015). His most recent working papers include: Eliciting the just-noticeable difference, Department of Economics Discussion Paper 798, and Supermodular Correspondences, Department of Economics Discussion Paper 795.