Professor Emeritus

Brookings Institution

Senior Fellow and Policy Director - Metropolitan Policy Program at Brookings Institution

Haas School of Business

Affiliate Professor at Haas School of Business

Columbia Business School

Courtney C. Brown Professor of Business at Columbia Business School

Yale School of Management

Associate Professor of Industrial Environmental Management, Director of the Program on Solid Waste Policy & Director of the Industrial Environmental Management Program at Yale School of Management

BI Norwegian Business School

Professor Emeritus - Department of Economics at BI Norwegian Business School

Harvard Kennedy School

Harvard Business School

Robert I. Goldman Professor of Economics and a Faculty Dean of Lowell House at Harvard Business School

Jones Graduate School of Business

Professor of Strategic Management at Jones Graduate School of Business

Fuqua School of Business

Professor of Practice at Fuqua School of Business

The Wharton School

Max and Bernice Garchik Family Presidential Associate Professor at The Wharton School