Affiliation: | (1) Department of Economics, 460 Uris Hall, Cornell University, Ithaca, NY 14853-7601, USA (e-mail: mkm5@cornell.edu), US;(2) Central Economic-Mathematical Institute, Russian Academy of Sciences, Moscow, RUSSIA, RU;(3) Department of Mathematical and Computer Sciences, San Diego State University, San Diego, CA 92182-7220, USA, US |