A Michael Spence Author

Samuel L. Hayes is the Jacob Schiff Professor of Investment Banking, Emeritus, at the Harvard Business School. A. Michael Spence is William R. Berkley Professor in Economics & Business at NYU's Leonard N. Stern School of Business and recipient of the 2001 Nobel Memorial Prize in Economic Sciences, along with George Akerlof and Joseph E. Stiglitz, for their work on the dynamics of information flows and market development. David Van Praag Marks, an economist and lawyer, was a private consultant specializing in the development of corporate strategies.