Browsing by Author "Xu, Jin"
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- Essays in Corporate FinanceNguyen, Anh Ha Phuong (Virginia Tech, 2015-10-26)This dissertation comprises two essays in financial economics. They study how firms finance and invest in innovative and intangible assets. The first essay examines the impact of technology spillovers on corporate financing decisions for innovative firms. I find that greater technology spillovers lead to higher leverage in innovative firms. Furthermore, in firms with greater technology spillovers, equity is more costly relative to debt. I find that these financing effects are generated by at least three related mechanisms: information asymmetry, asset redeployability, and equity undervaluation. All three mechanisms lead firms to substitute away from equity and toward debt. The results are robust to exploiting variation in RandD tax credits to identify the causal effect of technology spillovers. The second essay is coauthored with Ambrus Kecskés at York University and Sattar Mansi at Virginia Tech. My coauthors and I enter the long-lived debate about whether stakeholder capital investment increases shareholder value. We argue that long-term investors are natural monitors that can ensure that managers choose stakeholder capital investment to maximize shareholder value. We find that long-term investors increase the value to shareholders of stakeholder capital investment, not as a result of higher cash flow but rather of lower cash flow risk. Also following prior work, we use indexing by investors and the staggered adoption of state laws on stakeholder orientation for identification. Our findings suggest that firms can create value for shareholders by investing in stakeholder capital as long as managers are properly monitored by long-term investors.
- The Hidden Value of Employee Pay Disclosures Evidenced through Cost of CapitalSherman, Christopher Michael (Virginia Tech, 2020-04-08)Voluntary disclosure theory suggests a firm increasing its disclosures should lower the information asymmetry component of its cost of capital. Empirical results on specific disclosures are mixed though, as individual disclosures may not provide enough value to investors in disclosure rich environments. Salary expense disclosures, unlike some other cost disclosures, may provide insight into increasing firm risk leading to an increased cost of capital, as employee pay has been shown to increase in response to leverage increases. I examine whether salary expense disclosures provide valuable information to investors, as measured through a disclosing firm's cost of capital, and I examine the channels through which the disclosure provides the information. I find that firms that disclose salary expense receive a lowered cost of capital if they are disclosing more stable cost structures, and the value of this disclosed information relates to the relative risk associated with the disclosed cost structures. I also find the propensity for firms to initiate disclosure increases as more analysts follow the firm and these initiating firms receive a lower cost of capital in exchange for their initial disclosure. Additionally, this lower cost of capital for initial disclosers is not based on the relative stability of the disclosed cost structure.
- Intercomparison of NO2, O4, O3 and HCHO slant column measurements by MAX-DOAS and zenith-sky UV–visible spectrometers during CINDI-2Kreher, Karin; Van Roozendael, Michel; Hendrick, Francois; Apituley, Arnoud; Dimitropoulou, Ermioni; Friess, Udo; Richter, Andreas; Wagner, Thomas; Lampel, Johannes; Abuhassan, Nader; Ang, Li; Anguas, Monica; Bais, Alkis; Benavent, Nuria; Boesch, Tim; Bognar, Kristof; Borovski, Alexander; Bruchkouski, Ilya; Cede, Alexander; Chan, Ka Lok; Donner, Sebastian; Drosoglou, Theano; Fayt, Caroline; Finkenzeller, Henning; Garcia-Nieto, David; Gielen, Clio; Gomez-Martin, Laura; Hao, Nan; Henzing, Bas; Herman, Jay R.; Hermans, Christian; Hoque, Syedul; Irie, Hitoshi; Jin, Junli; Johnston, Paul; Butt, Junaid Khayyam; Khokhar, Fahim; Koenig, Theodore K.; Kuhn, Jonas; Kumar, Vinod; Liu, Cheng; Ma, Jianzhong; Merlaud, Alexis; Mishra, Abhishek K.; Mueller, Moritz; Navarro-Comas, Monica; Ostendorf, Mareike; Pazmino, Andrea; Peters, Enno; Pinardi, Gaia; Pinharanda, Manuel; Piters, Ankie; Platt, Ulrich; Postylyakov, Oleg; Prados-Roman, Cristina; Puentedura, Olga; Querel, Richard; Saiz-Lopez, Alfonso; Schoenhardt, Anja; Schreier, Stefan F.; Seyler, Andre; Sinha, Vinayak; Spinei, Elena; Strong, Kimberly; Tack, Frederik; Tian, Xin; Tiefengraber, Martin; Tirpitz, Jan-Lukas; van Gent, Jeron; Volkamer, Rainer; Vrekoussis, Mihalis; Wang, Shanshan; Wang, Zhuoru; Wenig, Mark; Wittrock, Folkard; Xie, Pinhua H.; Xu, Jin; Yela, Margarita; Zhang, Chengxin; Zhao, Xiaoyi (2020-05-06)In September 2016, 36 spectrometers from 24 institutes measured a number of key atmospheric pollutants for a period of 17 d during the Second Cabauw Intercomparison campaign for Nitrogen Dioxide measuring Instruments (CINDI-2) that took place at Cabauw, the Netherlands (51.97 degrees N, 4.93 degrees E). We report on the outcome of the formal semi-blind intercomparison exercise, which was held under the umbrella of the Network for the Detection of Atmospheric Composition Change (NDACC) and the European Space Agency (ESA). The three major goals of CINDI-2 were (1) to characterise and better understand the differences between a large number of multi-axis differential optical absorption spectroscopy (MAX-DOAS) and zenith-sky DOAS instruments and analysis methods, (2) to define a robust methodology for performance assessment of all participating instruments, and (3) to contribute to a harmonisation of the measurement settings and retrieval methods. This, in turn, creates the capability to produce consistent high-quality ground-based data sets, which are an essential requirement to generate reliable long-term measurement time series suitable for trend analysis and satellite data validation. The data products investigated during the semi-blind intercomparison are slant columns of nitrogen dioxide (NO2), the oxygen collision complex (O-4) and ozone (O-3) measured in the UV and visible wavelength region, formaldehyde (HCHO) in the UV spectral region, and NO2 in an additional (smaller) wavelength range in the visible region. The campaign design and implementation processes are discussed in detail including the measurement protocol, calibration procedures and slant column retrieval settings. Strong emphasis was put on the careful alignment and synchronisation of the measurement systems, resulting in a unique set of measurements made under highly comparable air mass conditions. The CINDI-2 data sets were investigated using a regression analysis of the slant columns measured by each instrument and for each of the target data products. The slope and intercept of the regression analysis respectively quantify the mean systematic bias and offset of the individual data sets against the selected reference (which is obtained from the median of either all data sets or a subset), and the rms error provides an estimate of the measurement noise or dispersion. These three criteria are examined and for each of the parameters and each of the data products, performance thresholds are set and applied to all the measurements. The approach presented here has been developed based on heritage from previous intercomparison exercises. It introduces a quantitative assessment of the consistency between all the participating instruments for the MAX-DOAS and zenith-sky DOAS techniques.
- Three Essays on Market Efficiency and Limits to ArbitrageTayal, Jitendra (Virginia Tech, 2016-03-28)This dissertation consists of three essays. The first essay focuses on idiosyncratic volatility as a primary arbitrage cost for short sellers. Previous studies document (i) negative abnormal returns for high relative short interest (RSI) stocks, and (ii) positive abnormal returns for low RSI stocks. We examine whether these market inefficiencies can be explained by arbitrage limitations, especially firms' idiosyncratic risk. Consistent with limits to arbitrage hypothesis, we document an abnormal return of -1.74% per month for high RSI stocks (>=95th percentile) with high idiosyncratic volatility. However, for similar level of high RSI, abnormal returns are economically and statistically insignificant for stocks with low idiosyncratic volatility. For stocks with low RSI, the returns are positively related to idiosyncratic volatility. These results imply that idiosyncratic risk is a potential reason for the inability of arbitrageurs to extract returns from high and low RSI portfolios. The second essay investigates market efficiency in the absence of limits to arbitrage on short selling. Theoretical predictions and empirical results are ambiguous about the effect of short sale constraints on security prices. Since these constraints cannot be eliminated in equity markets, we use trades from futures markets where there is no distinction between short and long positions. With no external constraints on short positions, we document a weekend effect in futures markets which is a result of asymmetric risk between long and short positions around weekends. The premium is higher in periods of high volatility when short sellers are unwilling to accept higher levels of risk. On the other hand, riskiness of long positions does not seem to have a similar impact on prices. The third essay studies investor behaviors that generate mispricing by examining relationship between stock price and future returns. Based on traditional finance theory, valuation should not depend on nominal stock prices. However, recent literature documents that preference of retail investors for low price stocks results in their overvaluation. Motivated by this preference, we re-examine the relationship between stock price and expected return for the entire U.S. stock market. We find that stock price and expected returns are positively related if price is not confounded with size. Results in this paper show that, controlled for size, high price stocks significantly outperform low price stocks by an abnormal 0.40% per month. This return premium is attributed to individual investors' preference for low price stocks. Consistent with costly arbitrage, the return differential between high and low price stocks is highest for the stocks which are difficulty to arbitrage. The results are robust to price cut-off of $5, and in different sub-periods.
- Two Essays in Finance: The Consequences of Mandated Compensation Disclosure, and The Idiosyncratic Volatility PuzzleLi, Hongyan (Virginia Tech, 2018-06-08)This Dissertation consists of two essays. The first essay studies the causal impacts of compensation disclosure on executive compensation, turnover, and executives’ job responsibilities. We find that, after the SEC mandates the disclosure of Chief Financial Officers (CFOs)’ compensation in 2006, CFO pay increases significantly relative to CEO pay, particularly in firms most affected by the mandate. CFOs are more likely to leave their firms following poor performance. The results are absent for the CEO or other executives, suggesting they are unique outcomes of enhanced CFO compensation disclosures. The evidence is consistent with more intense monitoring following the disclosure mandate. CFOs require additional compensation for the loss of private benefits due to greater monitoring and are subject to greater internal discipline. There is also some evidence that the CFOs hide bad news and lower corporate reporting quality after the mandate, suggesting that CFOs engage in more short-term behavior to boost their performance and avoid termination. The second essay of my dissertation focuses on the idiosyncratic volatility puzzle - the negative relation between estimated idiosyncratic volatility and the subsequent month returns documented by Ang et al (2006). We document a systematic pattern of temporary increases in the estimated idiosyncratic volatility for the quintile of stocks with the highest estimated idiosyncratic volatility in a given month. A large portion of this temporary increase in the estimated idiosyncratic volatility is reversed in the subsequent month. This temporary increase in the idiosyncratic volatility for the quintile of stocks with the highest estimated idiosyncratic volatility is associated with relatively large positive returns (positive abnormal returns) in the estimation month and relatively low returns (negative abnormal returns) in the subsequent month. Our evidence shows that these temporary increases in the estimated idiosyncratic volatility and the related positive and negative abnormal returns in the estimation and subsequent months, respectively, create a negative relation between the estimated idiosyncratic volatility and subsequent month returns documented in the prior literature (Ang et al. 2006). We find no significant relation between idiosyncratic volatility and subsequent returns for eighty percent of the stocks that do not exhibit large changes in idiosyncratic volatility despite large differences in the levels of their idiosyncratic volatility. Finally, there is no relation between the estimated idiosyncratic volatility and subsequent returns after a lag of 3 months when the abnormal returns associated with temporary changes are no longer present. Overall, our results are consistent with the notion that there is no relation between the true underlying idiosyncratic volatility and expected returns, and that the previously documented negative relation between estimated idiosyncratic volatility and subsequent month’s returns is being driven by temporary one-month increases in the estimated idiosyncratic volatility and the associated abnormal returns for a subset of stocks.
- Two Essays on Corporate GovernanceZhu, Ruiyao (Virginia Tech, 2022-06-08)The first essay shows that academic directors significantly increase firms' innovation. Following an academic director's death and relative to a non-academic director's death, the average firm reduces the number of citation-weighted patent applications by 30.7%. The number of patent applications also increases when an academic director becomes less busy after another company she holds directorship is acquired. Consistent with an advising channel, academic directors in STEM disciplines are particularly pro-innovation. In line with monitoring channels, firms with academic directors tend to dismiss CEOs who do not innovate and restrict real earnings management that waste financial resources. The relation between academic directors and innovation is not driven by PhD CEOs or non-academic PhD directors. Academic directors are associated with higher firm value at firms where innovation is more important but not at other firms. Overall, our results highlight the vital advising and monitoring roles academic directors play in corporate innovation. The second essay finds that pre-existing professional ties with a firm's board significantly increase a CEO candidate's probability of being hired by the firm. Considering all CEOs hired this year as potential candidates, a board-connection corresponds to a 152% increase in the probability the candidate is selected as CEO. Consistent with the hypothesis that boards select connected candidates to increase shareholder value, we find significantly greater firm performance improvement after CEO turnovers for firms hiring connected CEOs than those hiring unconnected CEOs. Further, the performance increases are significant only among firms with severe information asymmetry, large CEO termination risk, and high coordination costs. We also find that connected CEOs make better acquisitions than unconnected CEOs. These results suggest connected hiring increases firm performance because it reduces information asymmetry, CEO termination risk, and CEO-board coordination costs. Inconsistent with boards rendering favors to friends, connected CEOs are not awarded a larger pay package when they assume office. Overall, our results suggest that it pays for a firm to hire a CEO with pre-existing ties to the board.
- Two essays on institutional investorsLi, Fan (Virginia Tech, 2020-07-01)In the first essay, we study mutual funds' voting on compensation-related proposals initiated by corporate management. Compared with proposals on other topics, proposals on compensation issues are more likely to be challenged by mutual funds. Consistent with active institutional influence, mutual funds are more likely to vote against management at portfolio firms that make more excess CEO pay or depict other symptoms of poor governance such as bad performance and CEO entrenchment. Both active and passive funds' votes are significant drivers of the voting outcome of a proposal. Failed proposals are associated with lower CEO pay, especially excess pay, in the following year. Say-on-pay proposals opposed by more mutual funds are also followed by lower excess CEO pay. Collectively, evidence in this paper suggests that institutions (including passive institutions) play an important role in setting CEO pay through the voting channel. The second essay examines the equity loan supply for short selling. Using detailed stock lending data, we show that active equity funds, on average, are informed, stock lenders. The stocks they lend outperform those that they do not. The stocks they recall and sell perform worse in the future than those that remain on loan. These funds avoid lending stocks when lending fees are extremely high and use the shorting market's signals to form stock-selling decisions. Our findings help explain why institutional investors lend stocks. They also highlight a new source of short-sale constraints arising from the informed loan supply.
- When and where does it pay to be green? – A look into socially responsible investing and the cost of equity capitalWang, Yanbing; Delgado, Michael S.; Xu, Jin (2023-02-11)We investigate the circumstances under which socially responsible investing (SRI) enhances firm long-term financial performance, and therefore provides incentives for firms to self-regulate their environmental performance. Aggregating portfolios across SRI mutual funds, we estimate the effect of SRI investment with environmental screening criteria on firm cost of equity capital. We find that accounting for interactions between firm and non-shareholder stakeholders, and potential agency costs associated with certain environmental activities of the firm, SRI can facilitate the alignment of firms’ environmental and financial goals. We also find that an industry group’s environmental performance and diversity influence the extent to which a firm in that group can benefit from SRI investment.