Wharton School

Kenneth Shropshire of the Wharton School provides insight into Tiger Woods’ public image.

Steve Ennen of the Wharton School comments on the influence that Comcast’s purchase of NBC Universal will have on the business image of Philadelphia.

Jeremy Siegel of the Wharton School comments on stock-market mainstays.

Erwann Michel-Kerjan of the Wharton School is cited for his book, “The Irrational Economist,” and discusses how psychology affects stock trading.

Michael Useem of the Wharton School discusses GM’s chief-executive search.

Catherine Hays of the Wharton School discusses Ashton Kutcher’s role in social media.

Erwann Michel-Kerjan of the Wharton School discusses the National Flood Insurance Program.

Peter Fader of the Wharton School discusses Cyber Monday.

John Kimberly of the Wharton School discusses product branding.

Joel Waldfogel of the Wharton School discusses holiday-gift buying and is cited for his new book, "Scroogenomics.”