| 1986 | SUNY at Buffalo, University of Michigan, University of Rochester, University of Chicago, Wharton School, Northwestern University, Washington University at St. Louis, University of Texas at Austin, and Carnegie Mellon University. |
| 1987 | University of Michigan, Massachusetts Institute of Technology, SUNY at Buffalo, International Conference on Forecasting at Boston, AAA Meetings. |
| 1988 | University of Chicago, Cornell University, University of Washington at Seattle, SUNY at Buffalo, Michigan State University. |
| 1989 | Columbia University Research Conference, Duke University, University of Iowa, Stanford University, University of California at Berkeley, University of Minnesota, New York University and University of Pennsylvania at College Park. |
| 1990 | Harvard University, Northwestern University, Ohio State University, University of Arizona, University of Southern California, Temple University, Washington University at St. Louis, AAA meetings at Toronto, European Finance Association meetings, Contemporary Accounting Research Conference (Discussant). |
| 1991 | Arizona State University, Indiana University, University of Michigan. |
| 1992 | Cornell University, Vanderbilt University, University of Wisconsin at Madison, University of Illinois, University of Nebraska, Stanford University Summer Camp, AAA Meetings at Washington D.C., Duke University, Michigan State University, Wharton School at the University of Pennsylvania, SUNY at Buffalo, University of Missouri at Columbia, and JAAF-Peat Marwick Conference. |
| 1993 | Baruch CUNY at New York, Pennsylvania State University, City University Business School at London, Institute for Quantitative Investment Research at Cambridge, Accounting and Finance Conference at St. Louis, International Seminar on Futures and Options in Mumbai, India, University of Iowa, and Iowa State University. |
| 1994 | University of Manchester, University of Glasgow, Carnegie Mellon University, Harvard Business School, London Business School, and Baruch CUNY. |
| 1995 | City University Business School at London, Western Finance Association Meeting at Aspen, Colorado, AAA Meetings at Orlando, SUNY at Buffalo, Syracuse University, and Rice University. |
| 1996 | Northwestern University, City University Business School, KOC University at Istanbul, University of New South Whales at Sydney, JAR Conference at Chicago, Michigan, ISDA Conference, Washington DC, Arizona, AAA meetings at Chicago, Boston College, and Maryland. |
| 1997 | University of Southern California, Tulane University, Ibbotson Associates Cost of Capital Conference at Chicago, London School of Economics, City University Business School at London, National Association of Pension Funds at London, University of Technology at Sydney, Harvard University, University of Rochester, Washington University at St. Louis, Cornell University, Columbia University. |
| 1998 | Stanford University, Morningstar Inc. at Chicago, New faculty Consortium at St. Charles, University of Notre Dame, University of Alberta, University of Technology, Sydney, University of Iowa, University of California at Berkeley, Contemporary Accounting Research Conference at Vancouver, and University of California at Los Angeles. |
| 1999 | AAA-KPMG International Accounting Conference at Montvale, NJ, University of British Columbia, University of Tilburg in Holland, INSEAD in France, University of Colorado at Denver, University of Michigan. |
| 2000 | Australian Graduate School of Management, University of Technology at Sydney, University of Sydney, Syracuse University, Boston Federal Reserve Annual Research Conference, Stanford University, Harvard University, AAA-BAA conference at Cambridge University, European Financial Association Conference in London, University of Chicago, American Accounting Association meetings in Philadelphia, MIT Sloan School of Management . |
| 2001 | Cranfield University, Yale University, University of Rochester, HKUST, University of Technology in Sydney, University of Chicago, Pennsylvania State University, University of Texas at Dallas, MIT Sloan School of Management, and Duke University. |
| 2002 | Georgetown University, London Business School Donor Seminar, University of Pittsburgh, London Business School Symposium, Cornell University, Oklahoma State University, University of Rochester, New York University, Arizona State University, and The Wharton School at the University of Pennsylvania. |
| 2003 | FARS Conference, APJAE Conference in Shanghai, University of Southern California, and University of Technology at Sydney. |
| 2004 | APJAE Conference in Kuala Lumpur, Emory University, AAA Doctoral Consortium, Harvard University, Fed-JFE Conference at The Ohio State University, US Securities & Exchange Commission, Case Western Reserve University, University of Maryland and Financial Economics and Accounting Conference at USC. |
| 2005 | Journal of Accounting, Auditing and Finance Conference at NYU, Harvard University, Carnegie Mellon University, Samsung School of Business (S. Korea), and University of Texas at Dallas. |
| 2006 | Stanford University, Southern Methodist University, University of Georgia, Rutgers University, University of Chicago, Ohio State University, University of Minnesota, Michigan State University, Indian Institute of Technology, Bombay, BSI Gamma Foundation, Switzerland, Cornell University, |
| 2007 | Indian Institute of Management, Calcutta, Brigham Young University, University of California, Riverside, University of Edinburgh, University of Southern California, University of California – Riverside, University of Texas at Austin, Tuck – Dartmouth College, University of California – Los Angeles, Washington University – St. Louis, University of Massachusetts – Amherst, BARC Seminar at Boston University, Association of Finance Professionals, Boston, London Business School. |
| 2008 | Lancaster University, University of Manchester |
| 2009 | Temple University, London Business School, University of Rochester, Stanford University, American Accounting Association meetings in New York, Georgetown University, JAE Conference at MIT, BITS Pilani |