政府补贴与股价崩盘风险

本文以中国A股市场2007－2014年上市公司的数据为样本,基于企业寻租理论,实证检验了政府补贴对股价崩盘风险的影响,旨在为财政政策经济后果的研究提供新的经验证据。研究发现,政府补贴与上市公司股价崩盘风险之间呈显著正相关关系;在制度环境水平较低的地区,政府补贴与上市公司股价崩盘风险之间正相关关系更强;在产业政策支持的行业,政府补贴与上市公司股价崩盘风险之间正相关关系更强;进一步分析表明,企业寻租是两者正向关系的主要原因。本文的研究结果表明,管理层可以借助政府补贴粉饰公司业绩和隐藏公司负面消息。     

The capital market spillover effect of product market advertising: Evidence from stock price synchronicity

We analyze whether product market advertising has a spillover effect on stock price synchronicity by transmitting firm-specific information to the capital market and attracting more investor attention. Using a sample of Chinese listed firms from 2009 to 2017, we find that firms with greater advertising expenditures have lower stock price synchronicity. The results are robust after we address endogeneity concerns. In accord with our hypothesis that product market advertising increases the amount of firm-level information capitalized into stock prices through the information channel, we find that the impact of advertising on synchronicity is more pronounced for firms with a higher degree of information asymmetry and firms in the consumer-product industry. Further tests show that product market advertising enhances the ability of current period returns to reflect future earnings, and thus rules out that the negative relationship between advertising and synchronicity is driven by noise trading. Our results imply that product market advertising plays an informative role and improves information efficiency in a capital market.     

Repurchases of convertible preferred stock and shareholder wealth

In this paper we provide the first comprehensive examination of the stock price reaction to announcements of convertible preferred stock repurchases over the 1981 to 2005 period. We document a positive and significant average common stock abnormal return of 3.27% around announcements of these repurchases. We test signaling and free cash flow explanations for the observed wealth effects by studying abnormal returns and changes in operating performance around repurchase announcements. We find that abnormal returns are positively related to size of repurchases and managerial ownership. We find no evidence of higher stock price reactions for low-q and high free cash flow firms. In addition, we find significant improvements in accounting profitability subsequent to repurchases, but not for low-q firms. Collectively, our results are most consistent with the signaling hypothesis.     

Product Regulation and Stock Prices: The Case of the US Food and Drug Administration

This study focuses on the stock market effects associated with the announcements of product approvals, denials and recalls by the US Food and Drug Administration (FDA), and the impact of product approvals on research and development expenditures (R&D) and forecasts of earnings by Value Line. When the FDA announces approvals, the shareholder wealth of affected firms increases significantly. The announcements of denials and recalls by the FDA are associated with stock price declines. The stock price impact of recalls is dependent on whether the firm voluntarily withdraws a product or if the withdrawal is mandated by the FDA. Specifically, voluntary recalls are not associated with a change in stockholder wealth, while FDA mandated recalls are associated with decreases in stock price. In addition, we find that partial product recalls have a smaller impact than total recalls. An examination of the effects on competitors' stock price reveals losses when the FDA announces an approval or a recall, but no imt for a d. An analysis of changes in risk around FDA decisions suggests that, on average, betas do not change around approvals, recalls or denials. In addition, our results suggest that announcement period stock price behavior is unrelated to risk changes except for approvals where returns are positive and significant for firms with either increasing risk or no change in risk. We also find that approvals are associated with increases in R&D and forecasts of earnings for the sample firms, with returns to stockholders upon announcement of the approval being related to the increases in R&D and short-term earnings forecasts.     

The value of winning: endorsement returns in individual sports

Using the results of 1068 different golf, tennis, and track and field (in particular: running) events, this paper examines the relation between athlete performance and stock returns of firms endorsed by athletes. We find that a tournament victory is associated with significant and positive market-adjusted stock returns for the endorsed clothing brand. Regression analysis reveals that winning is associated with a more positive price reaction than finishing as runner-up. In addition, we find that returns after a victory are significantly higher for endorsed clothing brands than for equipment brands. We did not detect return differences between superstars and regular athletes, nor between frequently endorsed brands and less commonly endorsed brands.     

Do Patented Innovations Reduce Stock Price Crash Risk?*

Using a large sample of US firms, we document a significantly negative relation between the number of patents (citations) and stock price crash risk. Our findings are consistent with the arguments that patented innovation activities send a high‐quality signal and reduces proprietary information costs, which lowers information asymmetry and enhance disclosure. Further, we find that such impact of patented innovation on stock price crash risk is more pronounced in firms with weak corporate governance and high information opacity. Our findings provide new evidence on the real effects of patented innovation on crash risk in equity market.     

Stock Price Informativeness and Corporate Governance: An International Study

This study investigates the cross‐country relationship between firm‐level corporate governance and stock price informativeness. Using firm‐level data from 22 developed countries, we find that stock price informativeness, as measured by firm‐specific stock return variation and future earnings response coefficients, increases with the quality of a firm's corporate governance. Further analyses show that all mechanisms except board‐related governance relate positively to stock price informativeness. Finally, firm‐level corporate governance plays a more significant role in strengthening the stock return–earnings associations for firms in countries with strong institutional environments. This evidence highlights the role of country‐level legal investor protections in shaping the relationship between firm‐level corporate governance and stock price informativeness.     

Is corporate governance important for regulated firms’ shareholders?: Evidence from Japanese mergers and acquisitions

This paper compares the reaction of bidders’ stock prices to acquisition announcements by regulated non-financial firms, banks, and unregulated companies in Japan. Results suggest that regulated non-financial firms do not experience a significant stock price response at merger and acquisition (M&A) announcements, although banks’ and unregulated firms’ M&A announcements are regarded favorably by the stock market. Furthermore, the effect of stock option usage and strict boards on the stock price response is weak for regulated non-financial bidders. The results provide additional evidence that regulation results in managerial decisions’ having less influence on shareholder wealth and thereby changes the firm's optimal governance structure. In contrast, the results provide no clear evidence that, for bank bidders, there is a significantly stronger or weaker relationship between governance and the stock price response to an M&A announcement than that of unregulated firms or regulated non-financial firms. The result does not support the view that regulatory monitoring weakens the effect of ordinary governance mechanisms.     

Frequency and Motives for Stock Dividends in a Unique Environment

We investigate the possible differences in the information content of stock dividends between firms that distribute stock dividends frequently (frequent distributors) and firms that distribute stock dividends infrequently (infrequent distributors) using a unique data set from Oman where the market microstructure frictions are either absent or limited. We find that infrequent stock dividend distributors have higher postdistribution operating performance relative to frequent distributors. We also find that the illiquidity measure is significantly related to the announcement effect only for frequent stock dividend distributors, whereas short‐term performance is significantly related to the announcement effect only for infrequent distributors. Our findings indicate that infrequent stock dividends are used mainly to convey favorable private information about the firms’ future prospects, and frequent stock dividends are used to reduce stock price to an optimal trading range in order to improve trading liquidity. JEL classification: G14, G35.     

Share Repurchase Reasons and the Market Reaction to Actual Share Repurchases: Evidence from Australia

Using repurchase reasons provided by Australian companies for their stock repurchase programs, we ask if the market's response is different across repurchase motivations by examining actual daily share repurchases. We find that firms with the undervaluation motive experience a more positive stock price reaction when they report their repurchases to the market. We show that undervaluation motive firms repurchase fewer shares and have a lower program completion rate than other motives firms. During the 1‐year period following the repurchases, undervaluation motive firms do better than their control sample firms whereas other motive firms do not perform better or worse than their control sample firms. Overall, our results suggest that the undervaluation motive is a stronger signal than other repurchase motives, and contrary to the predictions of the standard signaling theories, management statements carry some value for the market. We also present some evidence suggesting that a costly action may not be needed for a signal to be credible.     

Takeover protection and stock price crash risk: Evidence from state antitakeover laws

We exploit the passage of state antitakeover laws to examine the relation between takeover protection and stock price crash risk. We find that firms incorporated in states that passed the laws are negatively associated with future stock price crash risk in the post-law periods, suggesting that takeover protection mitigates bad news hoarding activities. Further analysis shows that the mitigating effect is more pronounced when firms have severe information asymmetry or face strong product market competition. Together, our findings shed new light on the impact of takeover threats on managerial incentives to engage in bad news hoarding.     

Political embeddedness,media positioning and corporate social responsibility: Evidence from China

We examine the effect of political embeddedness and media positioning on corporate social responsibility (CSR). Using a sample of Chinese listed firms from 2009–2017, we provide evidence that firms with political embeddedness from the perspectives of both government ownership and managerial political connection (PC) perform more CSR than other firms, but their motivations for doing so are different. Employing media positioning, we find that firms controlled by the government conduct less CSR when they receive more positive media reporting, indicating that this is a firm's passive choice due to political pressure; and firms with PC are incentivized by negative media reporting to conduct more CSR, indicating an active choice to maintain political legitimacy. This association is robust to different media positioning measurements and endogeneity checks. Additional analyses show that this relationship is more pronounced in central government-controlled firms and regionally politically connected firms; in firms that disclose CSR reports voluntarily; and in the environment where CSR are more valued (following the 2012 national Anti-corruption Campaign and in provinces with higher levels of marketization). Overall, our study suggests that media positioning can help to identify the motivation for conducting CSR.     

Is Firm‐specific Return Variation a Measure of Information Efficiency?

The issue of whether firm‐specific return variation measures the private information reflected in stock returns or trading noise is controversial. Using a firm's geographic proximity to its investors as a proxy for a firm's private information, we investigate the relation between firm‐specific return variation and price informativeness. We find that firms located in metropolitan areas experience higher firm‐specific return variation and that holdings and trading by local institutional investors positively affect firm‐specific return variation. These findings suggest that higher firm‐specific return variation is indicative of more informative stock prices.     

Retail attention,retail trades,and stock price crash risk

This paper investigates the impact of retail attention on stock price crash risk in the Chinese stock market. Developing a composite measure of retail attention emphasizing its dynamic changes, we find that retail attention exacerbates future crash risk, which is robust to numerous checks that accommodate possibly omitted variables, apply the fixed effects model and instrumental variable approach, and adopt a legal interpretation as an exogenous policy shock. Extended analyses show that the impact of retail attention is more pronounced for firms with high information uncertainty under optimistic aggregate states. Moreover, using a sample of attention-grabbing stocks, we find that retail trades offer a crucial linkage from retail attention to crash risk. Overall, our findings are helpful to understand the nature of retail attention and its consequences on trading behavior as well as stock returns.     

Are Stock Options Grants to CEOs of Stagnant Firms Fair and Justified?

Prior research has examined several ethical questions related to executive compensation. The issues that have received most attention are whether executives’ pay is fair and justified by performance. Since more recent studies show that stock options grants constitute the single largest component in executive compensation, we examine the relations of these grants to economic determinants and corporate governance for firms in the stagnant stage of their lifecycle. We find that, on average, stock options grants comprise a significant portion of annual CEO compensation (26.4%) for stagnant firms. We also find that economic (corporate governance) factors explain less (or more) of the cross-sectional variation in stock options grants for stagnant firms than for growth firms. Furthermore, we document lower pay-performance sensitivity (i.e., weaker incentive alignment) and no improvement in future firm performance from past stock options grants to CEOs of stagnant firms. In particular, our study provides empirical evidence on some inefficiencies associated with stock options grants to CEOs of low potential (stagnant) firms, a long-standing concern of business ethics researchers (Moriarty, 2005; Nichols and Subramaniam, 2001; Perel, 2003). Our results also provide support for the corporate governance reforms discussed in Matsumura and Shin (2005), especially those proposed provisions that curtail the power of CEOs in the governance of firms.     

Corporate Philanthropy and Stock Price Crash Risk: Evidence from China

How to mitigate stock price crash risk has become a focus in the theoretical and practical fields. Building on the work of Kim et al. (J Bank Finance, 43:1–13, 2014b), this paper investigates the relation between corporate philanthropy and crash risk under the unique Chinese institutional background. The results show that both state ownership and the 2005 split share reform attenuate the mitigating effect of corporate philanthropy on crash risk. Specifically, the negative relation between corporate philanthropy and crash risk is less pronounced for state-owned enterprises than for non-state-owned enterprises, and it is also less pronounced after firms accomplish the split share reform. Further, this effect is more pronounced for firms with greater financial risks and poorer performance. Our paper contributes to the growing literature on the determinants of stock price crash risk and the economic consequences of corporate philanthropy. It also offers useful guidance to firms that are seeking to reduce stock price crash risk in emerging markets.     

Which firms are more prone to stock market manipulation?

This study empirically investigates which firms are more susceptible to successful manipulation. For this purpose, a unique data set consisting of manipulation cases from 1998 to 2006 from the Istanbul Stock Exchange (ISE) was collected and firm-specific variables are used to explain these manipulations. Probit regression results show that small firms, firms with less free float rate and a higher leverage ratio are more prone to stock price manipulation. Dynamic probit analysis concludes that the probability of manipulation of a stock is significantly higher for stocks that have been previously manipulated.     

Is reversal of large stock‐price declines caused by overreaction or information asymmetry: Evidence from stock and option markets

The role of option markets is reexamined in the reversal process of stock prices following stock price declines of 10% or more. A matched pair of optionable and nonoptionable firms is randomly selected when their price declines by 10% or more on the same date. The authors examine the 1,443 and 1,018 matched pairs of New York Stock Exchange/American Stock Exchange (AMEX) and National Association of Securities Dealers Automated Quotations firms over the period from 1996 to 2004. It was found that the positive rebounds for nonoptionable firms are caused by an abnormal increase in bid–ask spread on and before the large price decline date. On the other hand, the bid–ask spreads for optionable firms decrease on and before the large price decline date. An abnormal increase in the open interest and volume in the option market on and before the large price decline date was also found. Overall, the results suggest that the stock‐price reversal neither is a result of overreaction nor can it be simply explained by the bid–ask bounce. © 2009 Wiley Periodicals, Inc. Jrl Fut Mark 29:348–376, 2009     

Should “big food” companies introduce healthier options? The effect of new product announcements on shareholder value

In recent years, big food companies, such as Kellogg, PepsiCo, and Kraft have been under increasing pressure to introduce more healthful offerings to their existing product portfolio. Our research seeks to understand if such announcements are viewed favorably by the stock market. Are firms rewarded for introducing healthy new products? Using established methodologies, we are able to isolate what percent of an increase or decrease in a firm’s stock price can be attributed from such an announcement. Our analysis reveals some interesting results on how healthy new product announcements impact shareholder value. Findings suggest that big food companies are indeed rewarded financially for introducing healthy new products into the marketplace, and this increase is higher than when introducing less healthy products. We also find that positive ingredient additions (e.g., added fiber) are more highly valued than negative ingredient reductions (e.g., reduced sugar). We discuss the significant implications of our findings and provide managerial recommendations.