Linguistic Diversity and Stock Trading Volume
May 14, 2013 2 Comments
Linguistic Diversity and Stock Trading Volume
Yen-Cheng Chang Shanghai Advanced Institute of Finance; China Academy of Financial Research (CAFR)
Harrison G. Hong Princeton University – Department of Economics; National Bureau of Economic Research (NBER)
Larissa Tiedens Stanford Graduate School of Business
Bin Zhao Shanghai Advanced Institute of Finance; China Academy of Financial Research (CAFR)
March 14, 2013
Rock Center for Corporate Governance at Stanford University Working Paper No. 134
Abstract:
We test the hypothesis that the linguistic diversity of a stock’s investor base leads to more trading. Trading might be due to beliefs differing across languages or investor exposure to multiple languages leading to more trading ideas. Using stock message boards from China, which has ten languages, we measure the linguistic diversity of a stock’s investor base using a Herfindahl index of messages posted from different languages. A firm’s diversity increases in the number of languages spoken in the province where it is headquartered. Using the latter as the instrument, trading volume in a stock rises with its linguistic diversity. We then attempt to discriminate among competing mechanisms. We also show using a sample of forty-one countries that countries with more linguistic diversity have greater stock market turnover.
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