英文摘要 |
Investors nowadays can utilize search engines to collect information from Internet before trading. Although prior studies have extensively investigated the impact of information flow on the capital market, the influence of information collected from web sites on stock trading activity is relatively unexplored. Using search volume on Google as a proxy for information demand, this paper aims to fill up the gap. Specifically, this research extends prior studies to investigate the role of information demand in stock trading activities, focusing on speculative ones, such as margin buying, short selling, and day trading. The evidence shows that rises in Google search volume are positively associated with trading volumes by individual investors, margin purchase, and day trading. These findings support the following hypotheses: (1) individuals, being uninformed, have a greater demand for information; (2) with more information collected from web sites, more investors engage in speculative activities. Overall, these findings imply that market administrators can predict trading activities of individual investors by observing changes in Google search volume. |