PurposeThe purpose of this study is to find evidence of the impact of intellectual capital on firm value, and, in turn, enhance the existing literature which lacks consensus on it. By employing some distinctive proxies for human capital, innovation capital, customer capital and process capital, this study might provide valuable information for firms to make strategic decisions.Design/methodology/approachThis study uses Tobin's Q to represent firm value and various variables to be the proxies for intellectual capitals. By utilizing firm-year observations, this study applies panel data models first, and then Petersen regression models for further investigation to enhance the robustness of the empirical results.FindingsFirm value is affected positively by the average net profit per employee as well as goodwill and intangible assets. This is because firms having employees with abundant knowledge will possess advantage for innovation, and the excellent reputation, a part of goodwill for oriental firms, would encourage people to consume and invest more.Research limitations/implicationsThe constraint of data resource is the main limitation. With the limited scales and as an emerging market of Taiwan Stock Exchange, it is not confirmed whether the results are appropriate for the developed markets. Nevertheless, firms should make efforts on developing intellectual capital and corporate governance for operating businesses with competitiveness and safety.Originality/valueSince capable employees enhance the innovation, innovation improves customer's satisfaction and good customer relationship increases the sales; this study illustrates that for expanding businesses, firms should make more efforts on developing intellectual capital.

The idea of this study is derived from observing the profitability of stock investments following the phenomena of continuously rising (or falling) prices of stocks and continuously overbought (or oversold) signals emitted by technical indicators. We employ the standard event study approach and technical trading strategies to explore whether investors would exploit profits in trading the constituent stocks of the Korea Composite Stock Price Index 50 and Shanghai Stock Exchange 50 when the aforementioned continuous phenomena occur. We find that both the Korean and Chinese stock markets are not fully efficient; this finding may enhance the robustness of the existing literature. In addition, we reveal that contrarian strategies are appropriate for the trading stocks listed on the Korean stock market for all the cases investigated in this study. However, momentum strategies are appropriate for the Chinese stock market when continuously rising stock prices and overbought signals are simultaneously observed. These findings imply that the difference in investor behaviors between the Korean and Chinese stock markets might result in dissimilar trading strategies being employed for these two markets.

We investigate whether firms changing their names or industry categories once and more than once would affect institutional shareholdings. By utilizing 5,733 observations of the Taiwan Stock Exchange listed firms, we apply multiple regression models firstly and Petersen regression models for further investigation to enhance the robustness of the empirical results. We then disclose several important findings as follows. First, institutional investors might not prefer holding the shares of the firms changing their names more than once. We infer that the performances of the firms changing names more than once might be doubtful. Second, institutional investors might decrease the shareholdings of the firms with industry categories changed. We claim that institutional investors might suspect these firms probably existing corporate governance issues. Besides, we argue that, to our best understanding, this study might fill the gap in the existing literature due to that the issues, firms changing their names or industry categories once or more than once, seem rarely explored in the relevant studies.

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