1. Berkeley Roundtable on the International Economy (BRIE) and the Department of Human Ecology, University of California, Davis, CA 95616, USA
2. BRIE and the Center for Information Technology Research in the Interest of Society (CITRIS) and the Banatao Institute, University of California, Berkeley, CA 94720-1234, USA and
3. BRIE, CITRIS and the Banatao Institute, and the Department of Political Science, University of California, Berkeley, CA 94720-1234, USA