The Wharton School

Stephen J. Heyman Professor, Professor of Marketing at The Wharton School

Babson Olin Graduate School of Business

Professor at Babson Olin Graduate School of Business

Crawford School of Public Policy

Associate Professor at Crawford School of Public Policy

Leonard N. Stern School of Business

Professor of Marketing at Leonard N. Stern School of Business

The Wharton School

The K.P. Chao Professor at The Wharton School

Leonard N. Stern School of Business

Professor of Marketing at Leonard N. Stern School of Business

HEC Paris

Professor Marketing at HEC Paris

Columbia Business School

William T. Dillard Professor Emeritus of Business at Columbia Business School

Babson Olin Graduate School of Business

Professor at Babson Olin Graduate School of Business

Crawford School of Public Policy

Professor and Chair in Public Policy at Crawford School of Public Policy