This study analyses the risk dependence of international stock portfolio based on three risk metrics, namely, the portfolio expected return, CVaR, and the Sharp ratio. The portfolio is optimised under both multivariate GARCH models (DCC and GO-CARCH) and the copula approaches (Student t...

Stock price crash sensitivity refers to the conditional probability of a stock crash when the market collapses. It focuses on individual stocks' sensitivity to the market crash and can affect stock pricing significantly. Although the crash sensitivity of China's stock market is very high as a...

This paper quantifies the impact of Robinhood traders on the US equity market. Within a structural model, we estimate retail and institutional demand curves and derive aggregate pricing implications via market clearing. The inelastic nature of institutional demand allows Robinhood traders to...

We study the ownership structure of joint-stock firms for the period of 1869 to 1945 based on a unique hand-collected data set. The data covers a selection of 785 general meetings of 276 firms, including details of more than 10,000 investors. We show that after the hyperinflation of 1923, when...

This paper uses unique data on the shareholdings of both institutional and individual investors to directly investigate whether institutional investors have better stock selection ability than individual investors in China. Controlling for other factors, we find that institutional investors...

The HODL ideology overgeneralizes the buy-and-hold strategy for risky assets, leading to potential harm in investor wealth accumulation and investor-advisor relations. It originates from misunderstandings of financial theories, empirical evidence, technical analysis, and market timing. I provide...