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Who Makes Acquisitions? CEO Overconfidence and the Market's Reaction 谁会进行收购?CEO过度自信与市场反应
Ulrike Malmendier, Geoffrey Tate
Overconfident CEOs over-estimate their ability to generate returns. Thus, on the margin, they undertake mergers that destroy value. They also perceive outside finance to be over-priced. We classify CEOs as overconfident when, despite their under-diversification, they hold options on company stock until expiration. We find that these CEOs are more acquisitive on average, particularly via diversifying deals. The effects are largest in firms with abundant cash and untapped debt capacity. Using press coverage as "confident" or "optimistic" to measure overconfidence confirms these results. We also find that the market reacts significantly more negatively to takeover bids by overconfident managers.
过于自信的ceo高估了自己创造回报的能力。因此,在边际上,他们进行了破坏价值的合并。他们还认为外部融资定价过高。当首席执行官持有公司股票的期权直到到期时,尽管他们的多元化程度较低,但我们将其归类为过度自信。我们发现,这些首席执行官的平均收购欲望更强,尤其是通过多元化交易。现金充裕、债务能力未开发的公司受到的影响最大。用新闻报道的“自信”或“乐观”来衡量过度自信,证实了这些结果。我们还发现,市场对过度自信的经理人的收购要约的反应明显更为消极。
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引用次数: 2310
Taxes and Non-Renewable Resources: The Impact on Exploration and Development 税收和不可再生资源:对勘探和开发的影响
Jeff Strnad
Oil & gas projects consist of a series of options. The mineral owner must first decide whether to spend money on "exploration" in order to learn the extent of potential reserves, the cost and timing of recovering the reserves, and the probability that the reserves are actually recoverable. The mineral owner holds an "exploration option" since the owner need not explore immediately but may wait until an increase in mineral prices makes the potential rewards from exploration more promising. After exploration of a property, the owner holds a "development option." The owner may pay to drill a test well to see if the reserves are recoverable, or the owner may put off any such test until prices are higher. If the test well proves there are recoverable reserves, the owner has a "production option." This option consists of the ability to complete the test well as a producer, and to drill and complete any other wells required to completely drain the recoverable reserves. The incentives for exploration, development, and production depend on the "threshold prices" at which an investor will execute each option. This article examines the impact of various tax policies on exploration and development threshold prices, using a simplified production model that collapses the production option into the development option. Capitalizing rather than expensing development costs (such as intangible drilling costs) creates incentives to do projects that have a lower probability of success, that have shorter well lives, and that have lower development costs. This shift in incentives creates a nonneutrality, causing investors to develop some properties prematurely while unduly delaying the development of other projects. Capitalizing development costs also causes a slight increase in the exploration threshold price and therefore reduces exploration. Capitalizing rather than expensing exploration costs (such as the costs of seismic analysis to detect potential underground deposits) results in a more complicated pattern of effects. This policy causes a large increase in the exploration threshold price, thereby reducing exploration. Since the taxpayer will not recover capitalized exploration costs until development, this policy also reduces the cost of development and lowers development threshold prices. As a consequence, capitalizing exploration costs results in more intensive development and production of known reserves as well as reduced exploration. This pattern is undesirable if the goal is to enhance national security by encouraging the creation of a pool of reserves that are available for immediate exploitation in case foreign supplies become unavailable. It also is possible that taxpayers may be able to circumvent most of the impact of rules requiring capitalization of exploration costs by strategically realizing losses. This possibility may blunt the undesirable national security impact of such rules, but the costs of the associated trading are social costs that would
石油和天然气项目包括一系列的选择。矿主必须首先决定是否花钱进行“勘探”,以便了解潜在储量的范围、回收储量的成本和时间,以及储量实际可开采的可能性。矿产所有者拥有“勘探选择权”,因为所有者不需要立即勘探,而是可以等到矿产价格上涨,使勘探的潜在回报更有希望。在对房产进行勘探之后,业主拥有“开发选择权”。业主可能会花钱钻一口测试井,看看储量是否可采,或者业主可能会推迟任何此类测试,直到价格更高。如果测试井证明有可采储量,业主就有“生产选择”。该选项包括作为生产商完成测试井的能力,以及钻井和完井所需的任何其他井,以完全开采可采储量。勘探、开发和生产的动机取决于投资者执行每种期权的“门槛价格”。本文使用一个简化的生产模型,将生产选项分解为开发选项,研究了各种税收政策对勘探和开发门槛价格的影响。将开发成本(如无形钻井成本)资本化而不是费用化,可以激励人们去做那些成功概率较低、井寿命较短、开发成本较低的项目。这种激励机制的转变造成了一种非中立性,导致投资者过早地开发一些房地产,而过度地推迟了其他项目的开发。资本化开发成本也会导致勘探门槛价格小幅上升,从而减少勘探。将勘探成本(如为探测潜在地下矿藏而进行地震分析的成本)资本化而不是费用化,会导致更为复杂的影响模式。这一政策导致勘探门槛价格大幅提高,从而减少了勘探。由于纳税人在开发之前不会收回资本化的勘探成本,因此该政策还降低了开发成本并降低了开发门槛价格。因此,将勘探成本资本化会导致对已知储量进行更密集的开发和生产,同时减少勘探。如果目标是通过鼓励建立一个储备库来加强国家安全,以便在无法获得外国供应的情况下可以立即开采,那么这种模式是不可取的。纳税人也有可能通过战略性地认识到损失,来规避要求将勘探成本资本化的规则的大部分影响。这种可能性可能会减弱此类规则对国家安全的不良影响,但相关交易的成本是社会成本,不会在支出项下产生。
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引用次数: 2
Taxing Convertible Debt 对可转换债务征税
Jeff Strnad
There has been significant recent interest among tax policy experts about various possible reforms for the tax treatment of convertible debt. Potential reforms center on removing the deductibility by issuers of interest or original issue discount for these instruments either unconditionally or conditional upon conversion. This paper begins with a review of the role that callable convertible bonds play in corporate finance in order to gauge the impact of particular reforms. The most salient explanations for the issuance of substantial quantities of these bonds and for issuer call policy after issuance hinge on the ability of issuers to signal their prospects through issuance and call policy. After considering the impact of adding taxes to an appropriate signalling model, the paper concludes that the envisioned reforms of the tax treatment of convertible debt may have a very large impact on the utility of convertible debt as a signalling device. However, the direction of the impact is uncertain. In view of the apparent importance of convertible debt as a financing vehicle, these results suggest abstaining from potential reforms until a clearer picture emerges.
最近,税收政策专家对各种可能的可转换债务税收改革非常感兴趣。可能的改革重点是取消发行人对这些工具的利息或原始发行折扣的可抵扣性,无论是无条件的还是有条件的转换。本文首先回顾了可赎回可转换债券在企业融资中的作用,以衡量具体改革的影响。对于这些债券的大量发行和发行后的发行人赎回政策,最突出的解释取决于发行人通过发行和赎回政策表明其前景的能力。在考虑了在适当的信号模型中增加税收的影响后,本文得出结论,设想的可转换债务税收处理改革可能对可转换债务作为信号装置的效用产生非常大的影响。然而,影响的方向是不确定的。鉴于可转换债务作为一种融资工具的明显重要性,这些结果表明,在形势更加明朗之前,不要进行潜在的改革。
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引用次数: 1
Strengthening Brazil's Securities Markets 加强巴西证券市场
Bernard Black
An important challenge for all economies, at which only a few have succeeded, is creating the preconditions for a strong market for common stocks and other securities. A strong securities market rests on a complex network of legal and market institutions that ensure that minority shareholders (i) receive good information about the value of a company's business, and (ii) have confidence that a company's managers and controlling shareholders won't cheat them out of most or all of the value of their investment. This short paper summarizes this theory (which I develop in a separate paper on The Legal and Institutional Preconditions for Strong Securities Markets), and discusses the strengths and weaknesses of Brazil's institutions along these two dimensions. My goal is to offer a tentative roadmap for future reform of Brazilian institutions.
所有经济体面临的一个重要挑战是,为普通股和其他证券的强劲市场创造先决条件,而只有少数经济体在这方面取得了成功。一个强大的证券市场依赖于一个复杂的法律和市场机构网络,以确保少数股东(1)获得有关公司业务价值的良好信息,(2)对公司经理和控股股东不会欺骗他们大部分或全部投资价值有信心。这篇短文总结了这一理论(我在另一篇关于强大证券市场的法律和制度先决条件的论文中发展了这一理论),并从这两个方面讨论了巴西制度的优势和劣势。我的目标是为巴西机构未来的改革提供初步路线图。
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引用次数: 21
Labor Markets, Rationality, and Workers with Disabilities 劳动力市场,理性和残疾工人
M. Stein
Empirical studies of post-ADA employment effects foreground a phenomenon that is puzzling. Although analyses suggest that employing workers with disabilities can be cost effective, and despite a burgeoning economy in which the unemployment rate for most categories of workers has plummeted, unemployment of working age individuals with disabilities appears not to have similarly diminished. From the point of view defined by scholars applying the neoclassical labor market paradigm to Title I, the clearest explanation of this phenomenon would seem to be that the studies reporting the cost effectiveness of employing the disabled are incorrect (even if only overstated). Following from this explication is the conclusion that selecting workers with disabilities over nondisabled workers is an inefficient practice. In what follows, I examine and assess the arguments made by proponents of the view that the inefficiency of employing workers with disabilities is a deterrent to their inclusion in the labor market. If these arguments are sound, then rational market forces appear to be inexorably at work to attenuate the strategy embodied by Title I of the ADA. To the contrary, however, I will identify a market failure that prevents certain employers from reaching rational labor market decisions by creating a "taste for discrimination" in which the costs of including people with disabilities in a workforce are perceived as being greater than they really are. Further, I will propose an improved manner for assessing the efficiency of employing workers with disabilities and consider what this method implies regarding the rationality of Title I's strategy. Finally, I will show that the failure of the existing neoclassical economic model, as well as the Title I critiques that rely on it, is attributable at least in part to societal misconceptions about people with disabilities being built into the model's assumptions. That is, far from being neutral or objective, these critiques sanction and perpetuate the very irrational biases the ADA was designed to correct.
对《美国残疾人法》后就业影响的实证研究揭示了一个令人困惑的现象。尽管分析表明,雇用残疾工人可能具有成本效益,尽管经济迅速发展,大多数类别工人的失业率大幅下降,但工作年龄的残疾个人的失业率似乎没有同样减少。从学者将新古典劳动力市场范式应用于第一章的观点来看,对这一现象最清晰的解释似乎是,报告雇用残疾人的成本效益的研究是不正确的(即使只是夸大其词)。从这一解释中得出的结论是,选择残疾工人而不是非残疾工人是一种低效的做法。在接下来的文章中,我将考察和评估以下观点的支持者所提出的论点:雇佣残疾工人的低效率阻碍了他们进入劳动力市场。如果这些论点是合理的,那么理性的市场力量似乎正在无情地削弱《美国残疾人法》第一章所体现的战略。然而,与此相反,我将指出一种市场失灵,它通过制造一种“歧视的味道”来阻止某些雇主做出理性的劳动力市场决策,在这种情况下,将残疾人纳入劳动力的成本被认为比实际情况更大。此外,我将提出一种改进的方法来评估雇用残疾工人的效率,并考虑这种方法对第一章战略的合理性意味着什么。最后,我将表明,现有的新古典经济模型的失败,以及依赖于它的第一章的批评,至少在一定程度上可归因于社会对模型假设中建立的残疾人的误解。也就是说,这些批评远非中立或客观,而是认可并延续了《美国残疾人法》旨在纠正的非理性偏见。
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引用次数: 21
Optimal Law Enforcement and Criminal Organization 最佳执法与犯罪组织
Nuno Garoupa
In this paper, we take an organizational view of organized crime. In particular, we study the organizational consequences of product illegality attending at the following characteristics: (i) contracts are not enforceable in court, (ii) all participants are subject to the risk of being punished, (iii) employees present a major threat to the entrepreneur having the most detailed knowledge concerning participation, (iv) separation between ownership and management is difficult because record-keeping and auditing augments criminal evidence.
在本文中,我们从组织的角度来看待有组织犯罪。特别是,我们研究了产品非法行为的组织后果,包括以下特征:(i)合同在法庭上不可执行,(ii)所有参与者都有受到惩罚的风险,(iii)员工对拥有最详细的参与知识的企业家构成重大威胁,(iv)所有权和管理之间的分离很难,因为记录保存和审计增加了犯罪证据。
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引用次数: 139
Corruption and Optimal Law Enforcement 腐败与最佳执法
A. Polinsky, S. Shavell
Abstract We analyze corruption in law enforcement: the payment of bribes to enforcement agents, threats to frame innocent individuals in order to extort money from them, and the actual framing of innocent individuals. Bribery, extortion, and framing reduce deterrence and are thus worth discouraging. Optimal penalties for bribery and framing are maximal, but, surprisingly, extortion should not be sanctioned. The state may also combat corruption by paying rewards to enforcement agents for reporting violations. Such rewards can partially or completely mitigate the problem of bribery, but they encourage framing. The optimal reward may be relatively low to discourage extortion and framing, or relatively high to discourage bribery.
摘要本文分析了执法中的腐败行为:向执法人员行贿、威胁陷害无辜者敲诈、陷害无辜者的实际行为。贿赂、勒索和陷害降低了威慑力,因此值得阻止。对贿赂和陷害的最佳惩罚是最大的,但令人惊讶的是,敲诈勒索不应该受到制裁。国家还可以通过奖励举报违法行为的执法人员来打击腐败。这样的奖励可以部分或完全缓解贿赂问题,但它们鼓励了陷害。最优奖励可能相对较低,以阻止敲诈勒索和陷害,或相对较高,以阻止贿赂。
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引用次数: 308
People or Prairie Chickens: The Uncertain Search for Optimal Biodiversity 人还是山鸡:对最佳生物多样性的不确定探索
B. Thompson
A quarter of a century ago, Professor William Baxter published a widely read and influential book on the law and economics of pollution control entitled People or Penguins: The Case for Optimal Pollution. This paper pays tribute to Professor Baxter by using the logic of People or Penguins to examine current efforts to preserve biodiversity in the United States. The paper criticizes the failure of the Endangered Species Act to fully consider the costs of its regulatory mandates, but recognizes the complications of determining and balancing the benefits and costs of biodiversity preservation. The paper examines the Safe Minimum Standard Approach, urged by some economists as an alternative to traditional cost-benefit analysis in contexts such as species preservation, but ultimately rejects it as neither justifiable nor helpful. The paper suggests that domestic biodiversity policy should start by eliminating public subsidies that encourage the economically inefficient destruction of ecosystem components, by finding ways of commodifying ecosystem services, and by establishing a system of taxes and subsidies that send correct economic signals to property owners. Because many of these goals will be politically difficult to achieve at least in the short run, the "tailored commands" of the Endangered Species Act will continue to play an important role in protecting valuable species and ecosystems. But incorporation of rough cost-benefit considerations (taking account of uncertainties, irreversibilities, and intergenerational tradeoffs) into the Endangered Species Act would help the nation achieve a more optimal use of its scarce societal resources. An earlier version of this article was announced as Stanford Law School, John M. Olin Program in Law and Economics Working Paper No. 173. The working paper can be downloaded from http://papers.ssrn.com/sol3/papers.cfm?abstract_id=149728
25年前,威廉·巴克斯特教授出版了一本关于污染控制的法律和经济学的书,名为《人还是企鹅:最优污染的案例》,这本书被广泛阅读,影响深远。这篇论文用《人还是企鹅》的逻辑来考察目前在美国保护生物多样性的努力,以此向巴克斯特教授致敬。这篇论文批评了《濒危物种法案》未能充分考虑其监管要求的成本,但也认识到确定和平衡生物多样性保护的收益和成本的复杂性。这篇论文研究了安全最低标准方法,一些经济学家敦促将其作为传统成本效益分析在物种保护等背景下的替代方案,但最终拒绝了它,因为它既不合理也没有帮助。这篇论文建议,国内的生物多样性政策应该从取消鼓励破坏生态系统组成部分的经济效率低下的公共补贴开始,通过寻找将生态系统服务商品化的方法,以及建立一个向财产所有者发出正确经济信号的税收和补贴制度。因为这些目标中的许多至少在短期内在政治上难以实现,《濒危物种法》的“量身定制命令”将继续在保护有价值的物种和生态系统方面发挥重要作用。但是,将粗略的成本效益考虑(考虑不确定性、不可逆性和代际权衡)纳入《濒危物种法》将有助于美国实现对其稀缺的社会资源的更优利用。这篇文章的早期版本被宣布为斯坦福法学院,约翰·m·奥林法律和经济项目第173号工作文件。工作文件可从http://papers.ssrn.com/sol3/papers.cfm?abstract_id=149728下载
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引用次数: 9
The Fairness of Sanctions: Some Implications for Optimal Enforcement Policy 制裁的公平性:对最优执行政策的启示
A. Polinsky, S. Shavell
In this article we incorporate notions of the fairness of sanctions into the standard model of public enforcement. When both the probability and magnitude of sanctions may be varied, the usual solution involves a very high sanction and a relatively low probability of enforcement if individuals are risk neutral. When the issue of fairness is added to the analysis, the optimal sanction generally is not extremely high because such a sanction would be seen as unfair. The optimal probability of imposing sanctions may be higher than in the usual case (to offset the lower sanction) or lower than in the usual case (because the lower sanction reduces the effectiveness of enforcement).
在本文中,我们将制裁公平的概念纳入公共执行的标准模型。当制裁的可能性和程度可能有所不同时,如果个人是风险中立的,通常的解决办法包括非常高的制裁和相对较低的执行可能性。当分析中加入公平问题时,最佳制裁通常不会很高,因为这样的制裁会被视为不公平。实施制裁的最优概率可能高于通常情况(以抵消较低的制裁),也可能低于通常情况(因为较低的制裁降低了执行的有效性)。
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引用次数: 103
Some Thoughts on Law and Economics and the Theory of Second Best 关于法律经济学与次优理论的几点思考
J. Donohue
This paper addresses the implications of the Theory of the Second Best for law and economics scholarship. The theory of the second best is at once fascinating and paralyzing. Fascinating because it so powerfully assaults much of modern economic theory; paralyzing in that it does not offer a clear replacement for what is purports to destroy. Dick Markovits, who has done so much to keep this important theory in the minds of law and economics scholars, gives an example that suggests the difficulty: a tort doctrine is implemented which compels manufacturers to pay the cost imposed by their discharge of pollutants into any body of water. At first blush, the policy change seems unambiguously good. Prior to the doctrinal change, manufacturers who dumped noxious chemicals and metals into bodies of water created "externalities", social costs that they imposed with impunity. As a result, a manufacturer would maximize profits by discharging pollutants whenever there was even the slightest benefit in so doing. In other words, instead of providing an incentive to promote the public good, the presence of large external costs in a market system encourages undeniably harmful activity. It would seem that eliminating this perverse incentive could only be beneficial, and, at least in the absence of the theory of the second best, this logic would be unassailable. But once the disruptive theory of the second best is introduced, all bets are off unless there happens to be no other distortion in the economy, a most unlikely event. The paper examines a variety of applications of the theory, including a paper by Fullerton and Metcalf that demonstrates that many scholars have been unduly optimistic in asserting that pollution taxes will yield the double dividend of a better environment and more tax revenues with less deadweight loss. In so doing, Fullerton and Metcalf have certainly diminished the prospect, advocated by some, that excess pollution taxes will be imposed to reduce the deadweight loss from distortionate labor taxes. Their paper also shows, however, that, as between the competing policies of the pollution tax or the pollution quota, the former is clearly preferable. Since Fullerton and Metcalf also demonstrate why business strongly prefers the quota to the tax, we may have our own ironic version of the second best in operation here. Three states of the world are plausible: 1) the overtaxation state that Fullerton and Metcalf attack; 2) the precise Pigovian tax rate that they presumably endorse; and 3) the command and control regulation (the undertaxation state) that business so strongly prefers. Since the pressures of special interests have clearly biased policy towards state (3), arguments in favor of position (1) might have corrected the political imbalance, thereby making position (2) more likely. Now that Fullerton and Metcalf have strongly denounced position (1), the counterbalance to the special interest bias towards state (3) is removed, making (3), th
本文论述了次优理论对法律和经济学学术的影响。第二好的理论既迷人又令人麻痹。它之所以引人入胜,是因为它如此有力地攻击了许多现代经济理论;瘫痪的原因在于,它没有提供一个明确的替代品来取代它所声称要摧毁的东西。迪克·马科维茨(Dick Markovits)为使这一重要理论在法律和经济学者的脑海中留下深刻印象做了大量工作,他举了一个例子来说明其中的困难:一种侵权原则的实施迫使制造商支付因向任何水体排放污染物而产生的成本。乍一看,政策变化似乎毫无疑问是好的。在教义改变之前,向水体中倾倒有毒化学物质和金属的制造商制造了“外部性”,即他们不受惩罚地强加的社会成本。因此,制造商会通过排放污染物来最大化利润,即使这样做有一点点好处。换句话说,市场体系中存在的巨额外部成本并没有提供促进公共利益的激励,反而鼓励了无可否认的有害活动。消除这种不正当的激励似乎只会是有益的,而且,至少在没有次优理论的情况下,这种逻辑将是无懈可击的。但是,一旦引入了次优的颠覆性理论,所有的赌注都被取消了,除非碰巧经济中没有其他扭曲,这是最不可能发生的事情。这篇论文考察了该理论的各种应用,包括富勒顿和梅特卡夫的一篇论文,该论文表明,许多学者过于乐观地断言,污染税将带来更好的环境和更多的税收收入以及更少的无谓损失的双重红利。富勒顿和梅特卡夫这样做,无疑削弱了一些人提倡的前景,即征收过多的污染税,以减少扭曲的劳动税带来的无谓损失。然而,他们的论文也表明,在污染税和污染配额这两个相互竞争的政策之间,前者显然更可取。由于富勒顿和梅特卡夫也证明了为什么企业强烈倾向于配额而不是税收,我们可能在这里有我们自己的第二好的讽刺版本。世界上有三种状态是合理的:1)富勒顿和梅特卡夫攻击的税收过重的国家;2)他们可能支持的精确的庇古税率;3)企业非常喜欢的命令和控制监管(税收不足的国家)。由于特殊利益集团的压力使政策明显偏向于国家(3),支持立场(1)的论点可能已经纠正了政治失衡,从而使立场(2)更有可能。既然富勒顿和梅特卡夫已经强烈谴责了立场(1),那么对国家特殊利益偏见(3)的平衡就被消除了,使得(3)——三种结果中公认最坏的一种——比(2)更有可能出现。这显然是次优理论令人沮丧的一面,因为如果对不完美的分析延伸到政治失败上,那么对某些政策的不可取做出真实的声明可能会造成更多的伤害而不是好处。不难看出为什么大多数学者回避这一广义的理论概念。
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引用次数: 2
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Stanford technology law review : STLR : an online high-technology law journal from Stanford Law School
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