Here are the top 5 papers downloaded from the SSRN eLibrary for the week ending May 29, 2009:

1. Betas Used by Professors: A Survey with 2,500 Answers
by Pablo Fernandez (University of Navarra – IESE Business School)

2. A Quantitative Approach to Tactical Asset Allocation
by Mebane T. Faber (Cambria Investment Management)

3. Slapped in the Face by the Invisible Hand: Banking and the Panic of 2007
by Gary B. Gorton (Yale School of Management; National Bureau of Economic Research)

4.Understanding the Subprime Mortgage Crisis
by Yuliya S. Demyanyk (Federal Reserve Bank of Cleveland) and Otto Van Hemert (New York University – Department of Finance)

5. Theory of the Firm: Managerial Behavior, Agency Costs and Ownership Structure
by Michael C. Jensen (Harvard Business School; The Monitor Company; Social Science Electronic Publishing (SSEP), Inc.) and William H. Meckling (University of Rochester Simon School [deceased])