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Although investigating the factors influencing technological diversification is essential to understanding research and development (R&D) strategies, studies from the perspective of corporate ownership structure are limited. This study examines the effect of heterogeneous institutional investors on technological diversification strategies.

The sample consists of 33,124 firm-year observations of USA manufacturing firms from 1981 to 2008. Data were extracted from US Patent Data, Thomson Reuters' 13f and the Compustat database. A panel regression analysis was used to test the hypothesis. Moreover, the two-stage least squares (2SLS) approach using instrumental variables (IVs) and generalized method of moments (GMM) were also applied to address the endogeneity issue.

The empirical findings indicate that short-term (long-term) institutional investors positively (negatively) affect technological diversification. That is, short-term institutional ownership hampers R&D diversification, suggesting that firms are forced to make myopic investments to meet short-term goals instead of diversifying corporate R&D projects. Meanwhile, long-term institutional ownership enhances technological diversification to achieve long-term value.

By differentiating between institutional investment horizons, the authors produce empirical evidence that institutional investors with short-term and long-term perspectives have different views on technological diversification. This study is based on data between 1981 and 2008, due primarily to patent data availability and data on institutional investors. However, this limitation does not diminish the importance of the empirical findings, as the study's focus is on discovering antecedent evidence of corporate technological diversification rather than addressing recent trends in firm decisions.

In finding that long-term institutional investors are likely to encourage technological diversification at firms, the paper carries an important practical implication that can help inform decision-making by policymakers and investors.

This research contributes to a more comprehensive understanding of institutional investors' role in technological diversification strategies. Additionally, by challenging the assumption that all institutional owners share the same perspective, this study is the first to confirm the existence of heterogeneous effects of institutional investors on technological diversification strategies.

Informed traders may prefer the options market to the stock market for reasons including the leverage effect, transaction costs, restrictions on short sale. Many studies try to predict future returns of stocks using informed traders' behavior in the options market. In this study, we examine whether the trading volume ratios of single stock options have the predictive power for future returns of the underlying stock. By analyzing the stock price responses to the “preliminary announcement of performance” of 36 underlying stocks on the Korea Exchange from November 2014 to March 2021 and the trading volume of options written on those stocks, we investigate the relation between the option ratios, which are the call option volume to put option volume ratio (C/P ratio) and the option volume to stock volume ratio (O/S ratio), and the future returns of the underlying stock. We also examine which ratio is better in predicting the future returns. The authors found that both option ratios showed the statistically significant predictability about future returns of the underlying stock and that the return predictability of the O/S ratio is more robust than that of the C/P ratio. This study shows that indicators generated in the options market can be used to predict future underlying stock returns. Further, the findings of this study contributed to a dearth of literature pertaining to single stock options. The results suggest that the single stock options market is efficient and influences the price discovery in the stock market.

It is known that the National Pension Service (NPS) of Korea contributes to the market stability because it tends to pursue the negative feedback trading strategy in the Korean stock market. While many studies deal with institutional investors’ trading in the financial derivatives market, the NPS’s trading in the derivatives market is rarely studied. Using the NPS’s trading data for the period from January 2010 to March, 2020, the authors examine the transactions of the NPS in the KOSPI200 futures market. We find that the NPS’s net investment flow (NIF) in KOSPI200 futures is negatively associated with the past returns of KOSPI200 futures and the KOPI200 index. However, we also find that the NPS’s NIF of KOSPI200 futures is positively associated with its NIF in KOSPI200 stocks. Along with the legal restriction on the NPS’s trading in the derivatives market, the result suggests that the NPS uses KOSPI200 futures to deviate the problems related to non-synchronous trading in the spot market. To the best of our knowledge, this paper is the first study of the NPS’s transactions of KOSPI200 futures. The paper suggests that the NPS does not trade KOSPI200 futures for hedging or arbitrage profit but for complementing its transactions in the spot market of KOSPI200 stocks.

The purpose of this paper is to examine and clarify the relationships between perceived value, satisfaction, and behavioral intention in a small festival setting and applying a structural equation model (SEM).

This paper utilizes survey research and is designed to measure perceived value, satisfaction, and intention to revisit a small festival using SEM to test the hypotheses that: attendees' satisfaction can be predicted by perceived value; intention to revisit can be predicted by perceived value; and intention to revisit can be predicted by satisfaction.

Based on the sample of 424 participants, SEM confirms that all three hypotheses have a statistically significant relationship.

The results are consistent with previous studies, however, this paper is limited to a single small festival and the results may not be transferrable to festivals in other locations, of different sizes, and longer durations of time. The results are valuable to festival managers to increase the propensity of participants' intention to revisit the event by examining factors that lead to increased satisfaction and perceived value.