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Pricing Initial Public Offerings on 'New' European Stock Markets “新”欧洲股票市场的首次公开募股定价
Pub Date : 2002-06-16 DOI: 10.2139/ssrn.314275
G. Giudici, Peter Roosenboom
In 2000 more companies listed in Europe than in the US. This is mainly due to the success of "new" stock markets designed for high-growth companies. In this paper we analyse a sample of 482 Initial Public Offerings (IPOs), listed on five "new" European stock markets up to March 2001. We investigate the determinants of their first-day returns. We find a mean first-day return (underpricing) equal to +38.09%. Market returns, the IPO firm's risk and price revisions in the premarket are positively related to first-day returns, whereas IPO deal flow shows is inversely related to underpricing. We also show that the Internet euphoria impacts first-day returns.
2000年,在欧洲上市的公司多于在美国上市的公司。这主要是由于为高增长公司设计的“新”股票市场的成功。本文分析了截至2001年3月在五个“新”欧洲股票市场上市的482家首次公开募股(ipo)的样本。我们调查了他们第一天回报的决定因素。我们发现平均首日收益率(低定价)等于+38.09%。市场收益、IPO公司风险和上市前价格修正与首日收益呈正相关,而IPO交易流量显示与定价过低呈负相关。我们还表明,互联网的欣快感会影响首日回报率。
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引用次数: 20
Board Structure and Agency Costs 董事会结构与代理成本
Pub Date : 2002-05-30 DOI: 10.2139/ssrn.314619
M. Lasfer
The purpose of the paper is to test the hypothesis that board structure and its impact on value is a function of firm's growth opportunities. Consistent with this hypothesis, the results show that, while low growth firms are less likely to have an independent board, i.e., to split the roles of the chairman and CEO, to have a high proportion of non-executive directors and to appoint a non-executive as a chairman, their value is positively related to these board structure variables. In contrast, for high growth firms, the relationship between board structure and firm value is weak, suggesting that board structure does not always mitigate the agency conflicts. The results suggest that imposing the same board structure for all companies independently of their specific characteristics is likely to reduce the value of firms that may be forced to depart from optimal corporate governance structures which have been successful.
本文的目的是检验董事会结构及其对价值的影响是公司成长机会的函数的假设。与这一假设相一致的是,研究结果表明,虽然低成长性企业不太可能拥有独立董事会,即董事长和首席执行官的角色分离,非执行董事比例较高,任命非执行董事为董事长,但它们的价值与这些董事会结构变量呈正相关。而对于高增长公司,董事会结构与公司价值之间的关系较弱,这表明董事会结构并不总是能缓解代理冲突。结果表明,对所有公司施加相同的董事会结构,而不考虑其具体特征,可能会降低公司的价值,这些公司可能被迫偏离最优的公司治理结构,这些结构已经成功。
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引用次数: 43
The Equity Mix in Executive Compensation: An Investigation of Cross-Country Differences 高管薪酬中的股权组合:一个跨国差异的调查
Pub Date : 2002-05-12 DOI: 10.2139/ssrn.311781
S. Bryan, R. Nash, A. Patel
Why do firms from some countries use no equity in the compensation mix, while others use amounts equivalent to that observed in the U.S.? We examine this issue by investigating compensation data from 317 firms in 43 countries over the 1996 to 2000 period. We find that firms from countries with equity-oriented capital markets, and from countries where shareholder rights are strong, tend to use more equity in the compensation mix. After controlling for these country-level macro-factors, we also find that firms with higher growth opportunities use more equity in the compensation mix. This is consistent with the predictions of contracting theory. However, unlike previous findings for U.S. firms, equity compensation for the foreign firms in our sample is unrelated to proxies for asset substitution, event risk, firm size, or the difficulty in monitoring a firm's activities.
为什么有些国家的公司在薪酬组合中不使用股权,而其他国家的公司则使用与美国相当的金额?我们通过调查1996年至2000年期间43个国家的317家公司的薪酬数据来研究这个问题。我们发现,来自资本市场以股权为导向的国家和股东权利强大的国家的公司,倾向于在薪酬组合中使用更多的股权。在控制这些国家层面的宏观因素后,我们还发现,具有更高增长机会的公司在薪酬组合中使用更多的股权。这与收缩理论的预测是一致的。然而,与之前对美国公司的调查结果不同,我们样本中外国公司的股权报酬与资产替代、事件风险、公司规模或公司活动监控难度的代理无关。
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引用次数: 15
Summary Statistics of Implied Probability Density Functions and Their Properties 隐含概率密度函数的概要统计及其性质
Pub Date : 2002-05-01 DOI: 10.2139/ssrn.314392
Damien P.G. Lynch, Nikolaos Panigirtzoglou
The statistics that summarise probability density functions(pdfs) implied from option prices can be used to assess market expectations about future uncertainty, asymmetry and the probability of extreme movements in asset prices. A time-series analysis of these statistics for equity index and interest rate markets provides some stylised facts about the behaviour of these elements of market expectations, their historical distribution, similarity and relative stability. Relationships between them and movements in underlying asset prices are considered. Cross-asset and cross-country comparisons and the information content of the implied pdfs for future macroeconomic and financial variables are also assessed.
总结期权价格隐含的概率密度函数(pdf)的统计数据可用于评估市场对未来不确定性、不对称性和资产价格极端运动概率的预期。对股指和利率市场的这些统计数据进行时间序列分析,可以提供有关这些市场预期要素的行为、它们的历史分布、相似性和相对稳定性的一些程式化事实。考虑了它们与基础资产价格变动之间的关系。还评估了跨资产和跨国比较以及未来宏观经济和金融变量隐含pdf文件的信息内容。
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引用次数: 27
Loan Guarantee Portfolios and Joint Loan Guarantees with Stochastic Interest Rates 随机利率下的贷款担保组合与联合贷款担保
Pub Date : 2002-04-24 DOI: 10.2139/ssrn.313959
Chuang-Chang Chang, San‐Lin Chung
Most papers studying loan guarantee are under a one-borrower and one-guarantor framework. This study uses the option approach to construct models in which loan guarantees are analyzed under a multiple-borrower and one-guarantor framework and under a one-borrower and multiple-guarantor structure with stochastic interest rates. We carry out simulations to investigate how the important parameters of borrowers and guarantors affect the values and default probability of loan guarantees. Our results show that the correlation parameters play a critical role in determining the premiums of loan guarantee portfolios and joint loan guarantees.
大多数研究贷款担保的论文都是在一个借款人和一个担保人的框架下进行的。本文采用期权方法构建了多借款人一担保人框架下和随机利率下一借款人多担保人结构下的贷款担保分析模型。我们进行模拟研究借款人和担保人的重要参数如何影响贷款担保的价值和违约概率。我们的研究结果表明,相关参数在决定贷款担保组合和联合贷款担保的保费方面起着至关重要的作用。
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引用次数: 16
The Weekend-Dividend Effect in the Spanish Market 西班牙股市的周末红利效应
Pub Date : 2002-04-08 DOI: 10.2139/ssrn.314263
Javier Gardeazabal, Marta Regúlez-Castillo
In the Spanish stock market and the sample period analyzed, on average, days after a weekend or a holiday present higher returns. Firms could partially make up the price drop on ex-dividend days by scheduling dividend payments after a weekend or a holiday. However, the evidence suggests that firms do not use such policy. Formal econometric evidence finds no indication of a significant weekend effect, though, at the individual level, some stocks yield abnormal returns on ex-dividend days and when dividends are scheduled on days after weekends or holidays.
在西班牙股市和样本分析期间,平均而言,周末或假期后的几天呈现更高的回报。公司可以通过在周末或假期后安排股息支付来部分弥补除息日的价格下跌。然而,有证据表明,企业并没有使用这样的政策。正式的计量经济学证据没有发现明显的周末效应,不过,在个人层面上,一些股票在除息日和在周末或节假日后几天安排股息时产生了异常回报。
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引用次数: 17
Efficiency of Competitive Rating Agencies 竞争性评级机构的效率
Pub Date : 2002-04-01 DOI: 10.2139/ssrn.307500
Bappaditya Mukhopadhyay
This paper develops a model of rating migration by the credit rating agencies. We analyse how the rating agencies enhance efficiency. In this framework, we also investigate the possibility of a regulator increasing net surplus by appropriate policies. The firms have private information regarding the default probability of their projects. The investor is rational and has Bayesian beliefs. The rating agency is a profit maximizing intermediary. Effectiveness of some of the regulatory policies are highlighted.
本文建立了信用评级机构评级迁移模型。我们分析了评级机构如何提高效率。在此框架下,我们还研究了监管者通过适当政策增加净盈余的可能性。这些公司拥有有关其项目违约概率的私人信息。投资者是理性的,有贝叶斯信念。评级机构是利润最大化的中介机构。一些监管政策的有效性得到了强调。
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引用次数: 1
Option Pricing with Stochastic Volatility: A Closed-Form Solution Using the Fourier Transform 随机波动期权定价:傅里叶变换的封闭解
Pub Date : 2002-03-01 DOI: 10.2139/ssrn.314406
Bogdan Negrea
The Black and Scholes (1973) option pricing model was developed starting from the hypothesis of constant volatility. However, many empirical studies, have argued that the mentioned hypothesis is subject to debate. A few authors, among who - Stein and Stein (1991), Heston (1993), Bates (1996) and Bakshi et al.(1997, 2000) - suggested the use of the Fourier transform for the density of the underlying return or for the risk-neutral probabilities, in order to evaluate the fair price of an option. In this paper we propose a stochastic valuation model using the Fourier transform for option price. This model can be used for the valuation of European options, characterized by two state variables: the price of the underlying asset and its volatility. We model the stochastic processes described by the two variables and we obtain a partial derivatives equation of which the solution is the price of the derivative. We propose a solution to this partial derivatives equation using the Fourier transform. When we apply the Fourier transform, we demonstrate that a second order partial derivatives equation is solved as an ordinary differential equation. We consider a correlation between the underlying asset price and its volatility and two sources of risk: return and volatility. The first part of the paper describes the hypotheses of the model. After describing the Fourier transforms, we propose a formula for the valuation of European options with stochastic volatility. In the second part, we present a few empirical results on the pricing of CAC 40 index call options.
Black和Scholes(1973)的期权定价模型是从恒定波动率假设出发的。然而,许多实证研究认为,上述假设有待商榷。一些作者,其中包括Stein和Stein (1991), Heston (1993), Bates(1996)和Bakshi等人(1997,2000),建议使用傅立叶变换来计算潜在收益的密度或风险中性概率,以评估期权的公平价格。本文利用傅立叶变换提出了期权价格的随机估值模型。该模型可用于欧式期权的估值,其特征是两个状态变量:标的资产的价格及其波动率。我们对这两个变量描述的随机过程进行建模,得到一个偏导数方程,其解是导数的价格。我们提出了用傅里叶变换求解偏导数方程的方法。当我们应用傅里叶变换时,我们证明了二阶偏导数方程解为常微分方程。我们考虑基础资产价格及其波动率和两个风险来源之间的相关性:回报和波动率。论文的第一部分描述了模型的假设。在描述傅里叶变换之后,我们提出了具有随机波动率的欧式期权估值公式。在第二部分,我们给出了一些关于CAC 40指数看涨期权定价的实证结果。
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引用次数: 1
Do Optimists Grow Faster and Invest More? 乐观主义者增长更快,投资更多吗?
Pub Date : 2002-03-01 DOI: 10.2139/ssrn.301242
Marcin T. Kacperczyk, Zbigniew W. Kominek
The paper discusses a two-period model of an economy with two industries, positive production externalities and random shocks to production functions. Multiple equilibria that arise in such a framework can be ranked according to agent's optimism. The equilibria with higher levels of optimism are characterized by higher economic growth, higher production growth and higher proportion of investments in externality yielding industries. Using the U.S. data, it is shown that changes in sentiment predict economic growth. Sentiment has significant positive impact on industry growth, aggregate economic growth and relative levels of investment in industries. Externality yielding industries also appear to be more affected by shifts in sentiment than non-externality yielding industries.
本文讨论了具有两个产业、正生产外部性和生产函数随机冲击的两时期经济模型。在这样一个框架中出现的多个均衡可以根据agent的乐观度进行排序。具有较高乐观水平的均衡具有较高的经济增长、较高的生产增长和较高的外部性收益行业投资比例。利用美国的数据表明,情绪的变化可以预测经济增长。企业情绪对行业增长、经济总量增长和行业相对投资水平均有显著的正向影响。与非外部性收益行业相比,外部性收益行业似乎更容易受到情绪变化的影响。
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引用次数: 7
Investment Under Uncertainty and Policy Change 不确定性和政策变化下的投资
Pub Date : 2002-03-01 DOI: 10.2139/ssrn.271077
G. Pawlina, P. Kort
Existing real options literature provides relatively little insight into the impact of structural changes of the economic environment on the investment decision of the firm.We propose a method to model the impact of a policy change on investment behavior in which, contrary to the earlier models based on Poisson processes, uncertainty concerning the moment of the change can be explicitly accounted for.Moreover, probabilities of the change depend on the state of the dynamic system, what ensures the consistency of the action of the policy maker. We model the policy change as an upward jump in the (net) investment cost, which is, for instance, caused by a reduction in the investment tax credit.The firm has an incomplete information concerning the trigger value of the process for which the jump occurs.We derive the optimal investment rule maximizing the value of the firm.It is shown that the impact of trigger value uncertainty is non-monotonic: the investment threshold decreases with the trigger value uncertainty for low levels of uncertainty, while the reverse is true for high uncertainty levels.Finally, we present policy implications for the authority that result from the firm's value-maximizing behavior.
现有的实物期权文献对经济环境的结构性变化对企业投资决策的影响提供了相对较少的见解。我们提出了一种方法来模拟政策变化对投资行为的影响,与先前基于泊松过程的模型相反,该模型可以明确地解释变化时刻的不确定性。此外,变化的概率取决于动态系统的状态,这确保了政策制定者行动的一致性。我们将政策变化建模为(净)投资成本的上升,例如,这是由投资税收抵免的减少引起的。公司对发生跳转的过程的触发值有不完整的信息。导出了使企业价值最大化的最优投资规则。研究表明,触发值不确定性的影响是非单调的:低不确定性水平下,投资阈值随着触发值不确定性的降低而降低,而高不确定性水平下,投资阈值则相反。最后,我们提出了企业价值最大化行为对权威的政策含义。
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引用次数: 51
期刊
European Financial Management Association Meetings (EFMA) (Archive)
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