Ivković, Zoran; Sialm, Clemens; Weisbenner, Scott - In: Journal of Financial and Quantitative Analysis 43 (2008) 03, pp. 613-655
This paper tests whether information advantages help explain why some individual investors concentrate their stock portfolios in a few stocks. Stock investments made by households that choose to concentrate their brokerage accounts in a few stocks outperform those made by households with more...
