- PhD Economics, University of Cambridge, Cambridge, United Kingdom, 1983
- BA Mathematics and Economics, Trinity College, University of Toronto, Toronto, Canada, 1976
Professor Pepall received her Ph.D. from the University of Cambridge. She was a Research Fellow at the European University Institute in Florence, and taught at Concordia University before joining the Department of Economics at Tufts, where she was promoted to Full Professor in 2003. Professor Pepall served as the dean of the Graduate School of Arts and Sciences from 2006-2013.
Her primary field of research is industrial organization. She has published her work in many journals including Economic Journal, Journal of Business, International Journal of Industrial Organization, Journal of Economics and Management Strategy, Journal of Industrial Economics, and Review of Industrial Organization. She is the author (with D. Richards and G. Norman) of the textbook, Industrial Organization: Contemporary Theory and Empirical Applications.