Hotelling’s Revival: Demand Continuity in R 2 for a Large Class of Functions ∗ Yuri Yegorov December 1999 * I am grateful to Xavier Calsamiglia, Andreu Mas-Colell, Gerard Debreu, Massimo Motta and Albrecht Ritschl for their comments and suggestions. All remaining errors are mine. The first version of the paper was presented at the Second Meeting of Young Economists in CES, University of Munich, April 4-5, 1997, at the Micro/Finance/Game Theory Workshop in UPF on 30 April 1997, at the European Economic Association Meet- ing, Toulouse, 31.8-2.9.1997, at ASSET Meeting in Marseille, 31.10-01.11.1997 and at the XXII Symposium of Economic Analysis in Bellaterra (Barcelona), 10-12.12.1997 1