A comparison of revenue growth at recent-IPO and established firms: The influence of SG&A, R&D and COGS

A dynamic view of the resource based theory (RBT) examines how a firm builds its resources over time, considering variations in resources' growth rates while the firm attempts to grow. Accordingly, we consider the elasticity of accumulated resources to assess conditions where these resources might serve as substitutes for rather than complements to COGS during periods of growth. We specify a production function that links aggregate resource allocation among SG&A, R&D and COGS expenses to a firm's revenue. This function yields a set of hypotheses on the elasticity of SG&A and R&D, and the productivity of COGS, while controlling for the revenue growth rate. We test these hypotheses on a dataset of 64 randomly selected firms that recently underwent an IPO, and a comparable set of 64 established public firms from four high-technology sectors. Results show that the accumulated stocks of resources can serve as substitutes for rather than complements to COGS, and the manner in which recent-IPO firms allocate and use resources differs from their established counterparts. We discuss the implications of associated elasticity and productivity results.     

IPO初始回报与创业投资参与的研究——基于我国创业板的实证研究

本文在论述国际学术界关于创业投资在企业IPO中作用理论研究的基础上,通过采用实证分析方法,对我国创业板上市的153家公司2007—2009年的数据进行研究,得出如下结论：企业IPO初始回报与是否有创业投资参与具有显著的正相关关系。同时,IPO初始回报与公司规模显著负相关,与股份发行比例显著负相关,与公司上市时年龄显著负相关,与企业上市日的上证指数收益率显著正相关,与净资产收益率显著负相关。     

IPO抑价和市场化程度——基于中国东西部上市公司的比较研究

中国东部和西部地区的市场化程度存在显著差异,这为研究市场化程度对IPO抑价率的影响提供了难得的天然环境。笔者以1998年～2007年间来自于东部和西部地区的580个IPO为研究样本,实证分析了市场化程度在IPO抑价率形成过程中的作用,得出研究结论:市场化程度对IPO抑价率产生了负向的显著影响,该研究结论具有稳健性。依据该结论提出了相应的对策建议。     

The Effects of Public Venture Capital Investments on Corporate Governance: Evidence From IPO Firms in Emerging Markets

This study examines the impact of public venture capital (hereafter PVC) investments on corporate governance of initial public offering (hereafter IPO) firms in emerging markets. Using data collected from Taiwan PVC investments during 1996–2005, we analyse three corporate governance features in IPO firms: earnings management, board characteristics, and excess control by controlling shareholders. We find that PVC‐backed firms use fewer accounting accruals in their IPO financial statements than non‐PVC‐backed firms. This result suggests that PVC‐backed IPO firms engage in less earnings management than non‐PVC‐backed IPO firms. We also find PVC‐backed firms tend to set up their boards with fewer non‐independent directors and supervisors at IPO. This result indicates that PVC‐backed IPO firms have better board structures than non‐PVC‐backed IPO firms. Finally, we find that controlling shareholders are less likely to exert excess control in PVC‐backed firms than in non‐PVC‐backed firms. Overall, our results indicate that PVC investments add value to new IPO firms not only in financing their capital needs but also in creating better corporate governance structures in emerging markets.     

The intertemporal risk-Return relation,investor behavior,and technical trading profits: evidence from the G-7 countries

The intertemporal risk-return relation and investor behavior are both important pricing factors that jointly determine the expected market risk premium. Using the price adjustment process as a control variable, we find that the intertemporal risk-return relation is positive conditional on bad market news, but is non-positive conditional on good market news. This implies that good (bad) market news weakens (strengthens) the positive risk-return relation. The pattern in the distortion of the risk-return relation is consistent with short-term mispricing in which investors overvalue (undervalue) the stock market in reaction to good (bad) market news. We also show that ignoring the price adjustment process in the estimation of the risk-return relation leads to model misspecification and induces an upward (downward) bias in estimates of the relative risk aversion parameter conditional on good (bad) news. Our model of the asymmetric risk-return relation along with the price adjustment process is capable of generating the return dynamics that is attributable to technical trading profits. We suggest that the profitability of technical trading rules is not a violation of market efficiency, but a consequence of trading rules exploiting the asymmetric effect of price changes on the risk-return relation, along with the persistence property of price changes.     

IPO制度改革、盈余管理与IPO定价效率

以1993~2015年我国A股IPO公司为样本，检验了我国资本市场IPO制度的渐进式改革对IPO定价效率的作用，并进一步研究了盈余管理在两者作用过程中的中介作用。研究结果发现，除额度管理到指标管理阶段改革没有对IPO定价效率产生显著影响外，其他各阶段改革均有效提高了短窗口期的IPO定价效率，并且IPO公司的盈余管理在这一过程中起到了显著的中介作用。此外，进一步研究还发现IPO制度改革降低了中长期窗口的IPO定价效率，并且IPO制度改革在不同市场化程度的地区和牛熊市期间对IPO定价效率的作用并不相同。研究结论为IPO注册制改革过程中加强对IPO公司盈余管理的监管提供了参考依据。     

Are venture capitalist-backed IPOs more innovative? Evidence from an emerging market

This study examines whether venture capital (VC)-backed IPOs are more innovative than otherwise equivalent non-VC-backed IPOs. Using manually collected R&D records from annual reports and patent data from the Chinese State Intellectual Property Office (CSIPO) from 2007 to 2012, we find that VC-backed IPOs have higher R&D expenditures and more patents granted in the three years after IPOs. More specifically, they have more invention, application, and design patents in post-IPO. We use a two-stage instrumental variable, propensity score matching, difference-in-differences approach to mitigate selection biases and find our results to be consistent with our hypothesis. We conclude that VCs can positively influence IPO firms to increase R&D expenditures and innovative output levels in China. In addition, we document that the government ownership adversely affects innovation of VC-backed firms. Policy implications are discussed.     

Signaling in science-based IPOs: The combined effect of affiliation with prestigious universities,underwriters, and venture capitalists

This paper studies the combined effect of affiliation with prestigious universities, underwriters, and venture capitalists on the valuation of biotech ventures at IPO and their post-IPO performance. We argue that affiliation to a prestigious university provides the affiliated firm with a quality signal in the scientific domain. The pure quality signaling effect of the affiliation is isolated from the substantive benefits it provides by performing a difference-in-difference approach based on the scientific reputation of scientists in firms' upper echelons. The signal is stronger the weaker is the scientific reputation of scientists of the focal IPO-firm and is additive to those provided by prestigious venture capitalists and underwriters. Results for a sample of 254 European biotech ventures that went through an IPO between 1990 and 2009 confirm our predictions.     

IPO first‐day returns: Skewness preference,investor sentiment and uncertainty underlying factors

In this paper, we investigate the initial public offering (IPO) first-day returns. Our focus is to examine the irrational component of the agent behavior towards IPO lotteries. Based on 234 French IPOs performed between 2002 and 2012, we find that IPOs with high initial returns have higher idiosyncratic skewness, turnover and momentum. This finding provides empirical evidence for investors' preference for stocks with lottery-like features and investor sentiment. In addition, we show that the skewness preference and the investor sentiment effect are stronger during periods of favorable market conditions. Our results are robust to the integration of uncertainty underlying factors.     

Noise from online discussion forums: Evidence from IPOs in China

In this study, we use initial public offerings (IPOs) in China to investigate how online stock forums influence information asymmetry and IPO valuation. The empirical analysis isolates the underpricing and overvaluation components of initial returns. The number of forum comments, postings, and readings are positively associated with initial returns and the degree of underpricing, implying that forums create noise that exacerbates information asymmetry during IPOs. This effect is amplified by the quiet period regulation, which drives investors to rely on online discussion forums to obtain information. Through sentiment analyses of forum posts and media coverage, we find that the negative effect of online forums is more prominent when bad news prevails. We clarify the role of online stock forums in IPO pricing and information asymmetry by separating underpricing from overvaluation in initial returns.