By means of an event study of stock market reactions to the announcement of the Olympic Games host cities, we find a significant and positive announcement effect of hosting the Summer Games, with a cumulative abnormal return of about 2% within a few days. We do not find any significant results...

We study whether investors' active information acquisition, measured by search volume in Google (SVI), affects the dynamics of currency prices. Significantly correlated with trading activities of major players, SVI has a strong effect on FX market volatility beyond the volatility of...