Stefano DellaVigna (born June 19, 1973) is an Italian economist and the Daniel E. Koshland, Sr. Distinguished Professor of Economics and Professor of Business Administration at the University of California, Berkeley. Born in Como, Italy, he emigrated to the United States when he was 18. He joined the faculty of the University of California, Berkeley in 2002, after receiving his Ph.D. from Harvard University.[1][2][3] His research focuses on behavioral economics, and he is a co-director of the Initiative for Behavioral Economics and Finance.[4] He has published studies on the effects of Fox News on voter behavior,[5][6] the effects of violent films on violent crime rates,[7] and the response of stock market investors to corporate announcements of disappointing earnings.[8]