This study quantifies the dynamic interrelationship between the KOSPI index return and search query data derived from the Naver DataLab. The empirical estimation using a bivariate GARCH model reveals that negative contemporaneous correlations between the stock return and the search frequency...

This paper investigates dynamic and causal relations between stock returns and mutual fund flows in Korea using a system method which utilizes information from the stock, bond, and money markets. For this purpose, we employ DSUR proposed by Mark, Ogaki, and Sul (2005), SURECM, and two causality...