His major areas of research include international finance, asset pricing, and real asset finance. He has published over 30 articles in American Economic Review, Journal of Finance, Review of Financial Studies, Real Estate Economics, and other academic journals. He has taught a highly popular MBA course on Emerging Market Finance based on his recent book with Burton Malkiel (Global Bargain Hunting). He has developed a Fine Art Price Index with Michael Moses. He has received several "Best Research Paper Award" from various academic organizations. His research has been covered extensively by the major news media in the U.S., U.K., China, India, Italy, Germany, Netherland, Japan, Canada, Hong Kong, Korea, and Singapore.