Star analyst activities and stock price synchronicity: Korean equity market reforms

The study typically investigates the Korean stock market data. The majority of the data used in our study are only accessible through subscription, which we do not have permission to share. Thus, we have provided a detailed and replicable guide in data and methodology. Our data guide covers all variables used in the study, and it specifically reports the source of each data and how each variable is constructed in a granular manner to encourage easier replication and promote future research on similar topics.本研究主要针对韩国股票市场数据展开分析。本研究使用的多数数据仅可通过付费订阅渠道获取，我方未获得相关数据的共享许可。因此，我们已就数据与研究方法提供了详尽且可复现的操作指南。本数据指南涵盖了研究中涉及的全部变量，明确列明了每一项数据的来源，并以细粒度的方式详细阐述了各变量的构建流程，以期降低研究复现的难度，推动同类主题的后续研究工作。