Abstract
This study analyzed the characteristics of herding behavior existing in the Korean financial market and examined the dynamics of herding behavior. First, we analyzed the herding behavior of the Korean financial market using the methodology of Chiang, Zheng (2010). According to the results, herding behavior existed in both the KOSPI market and the KOSDAQ market, and the smaller the company size, the stronger the herding behavior. In addition, the herding behavior appears stronger during the declining market than during the rising market. Next, we analyzed the dynamics between herding behavior and market consensus using the spillover index of Diebold, Yilmaz (2012). As a result of the analysis, the inflow spillover effect of the herding behavior was greater than the outflow spillover effect. This characteristic of herding behavior is stronger during the declining market than during the rising market. These results mean that investors' blind followings become stronger during the declining market. These results are also clearly confirmed in the network topology analyzed by measuring the net pairwise spillover effect.
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