作者单位:David L. Eckles (1) Cindy D. Kam (2) Cherie D. Maestas (3) Brian F. Schaffner (4)
1. Department of Risk Management and Insurance, University of Georgia, Athens, GA, 30602, USA 2. Department of Political Science, Vanderbilt University, Nashville, TN, 37203, USA 3. Department of Political Science, Florida State University, Tallahassee, FL, 32306, USA 4. Department of Political Science, University of Massachusetts, Amherst, Amherst, MA, 01002, USA