Investors' financial skill rests on two elements: 1) literacy, which is the financial knowledge itself and the skill required to use the knowledge, and 2) rationality, which refers to the lack of major biases such as overconfidence. To estimate the level of investors' knowledge and rationality,...

Micro-cap stocks, a subset of small stocks, have the potential to provide additional diversification benefits and increased returns to investors. The ways that micro-cap stocks can contribute to investors' actual portfolios have not been rigorously investigated. In this study, we examine...