John W. Welborn

Selected Publications

• Welborn, John W., "Reg SHO at Twenty" (February 17, 2025). Available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5141255.

• Stratmann, Thomas and Welborn, John W. "Informed short selling, fails-to-deliver, and abnormal returns." Journal of Empirical Finance 38.A (2016): 81-102, ISSN 0927-5398, https://doi.org/10.1016/j.jempfin.2016.05.006.

• Stratmann, Thomas, and Welborn, John W. "The Options Market Maker Exception to SEC Regulation SHO." Journal of Financial Markets 16.2 (2013): 195–226. https://doi.org/10.1016/j.finmar.2012.04.002.

• Stratmann, Thomas and Welborn, John W. "Exchange-Traded Funds, Fails-to-Deliver, and Market Volatility" (November 30, 2012). GMU Working Paper in Economics No. 12-59. Available at SSRN: https://ssrn.com/abstract=2183251 or http://dx.doi.org/10.2139/ssrn.2183251. 

• Welborn, John W. "The Phantom Shares' Menace." Regulation 31:1 (2008), https://www.cato.org/sites/cato.org/files/serials/files/regulation/2008/2/v31n1-7.pdf.