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Option-Implied Spreads and Option Risk Premia 期权隐含价差和期权风险溢价
Pub Date : 2021-06-01 DOI: 10.2139/ssrn.3871384
Christopher L. Culp, M. Gandhi, Yoshio Nozawa, P. Veronesi
We propose implied spreads (IS) and normalized implied spreads (NIS) as simple measures to characterize option prices. IS is the credit spread of an option’s implied bond, the portfolio long a risk-free bond and short a put option. NIS normalizes IS by the risk-neutral default probability and reflects tail risk. IS and NIS are countercyclical and predict implied bond returns, while neither, like implied volatility, predicts put returns. These opposite predictability results are consistent with a stochastic volatility, stochastic jump intensity model, as put premia increase in volatility but decrease in jump intensity, while implied bond premia increase in both.
我们提出隐含价差(IS)和标准化隐含价差(NIS)作为表征期权价格的简单措施。IS是期权隐含债券的信用价差,即投资组合做多无风险债券,做空看跌期权。NIS通过风险中性违约概率规范IS,反映尾部风险。IS和NIS是逆周期的,可以预测隐含债券的回报,而两者都不能像隐含波动率那样预测看跌期权的回报。这些相反的可预测性结果与随机波动率、随机跳跃强度模型相一致,即期权溢价随波动率的增加而随跳跃强度的减少,而隐含债券溢价随波动率的增加而增加。
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引用次数: 0
Time Series Momentum around FOMC Meetings FOMC会议前后的时间序列势头
Pub Date : 2021-02-04 DOI: 10.2139/ssrn.3030126
A. Neuhierl, Michael Weber
We document a novel time-series momentum strategy around monetary policy decisions in the US. Stock returns drift upward preceding expansionary monetary decisions and downward before contractionary decisions. The differential pre-drift amounts to 2.5% and increases to 4.5% in the 15 days post policy decision. The differential drift is a pervasive finding across industries, international markets, other asset classes and is concentrated in times of high uncertainty.
我们记录了围绕美国货币政策决策的一种新颖的时间序列动量策略。在扩张性货币政策出台之前,股票收益会上升,而在紧缩性货币政策出台之前,股票收益会下降。漂移前的差异为2.5%,在政策决定后的15天内增加到4.5%。这种差异漂移在各行各业、国际市场和其他资产类别中都很普遍,而且集中在高度不确定性时期。
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引用次数: 31
Business Income Taxes 企业所得税
Pub Date : 2020-09-29 DOI: 10.2139/ssrn.3701923
E. Fama
Governments tax production, and they tax consumption. This note is concerned with the taxation of income from production in the U.S. The goal is to make sense, if possible, of special features of the taxation of the securityholders of open corporations. The special features are as follows. (i) Interest payments on bonds are tax deductible at the corporate level, which means they are only taxed at the personal level and at personal tax rates. (ii) Dividends are not tax deductible at the corporate level, which means the income that produces them is subject first to the corporate tax and then to personal taxes – double taxation. (iii) Retained earnings are subject to the corporate tax, and they are subject to personal tax but at rates below ordinary income rates (at least historically) and only when eventually realized as capital gains.
政府对生产征税,也对消费征税。本文关注的是美国对生产所得的征税问题。如果可能的话,本文的目标是弄清楚对开放公司的证券持有人征税的特点。其特殊特性如下。(i)债券的利息支付在公司一级是免税的,这意味着它们只在个人一级和按个人税率征税。(ii)股息在公司层面是不能抵税的,这意味着产生股息的收入首先要缴纳公司税,然后再缴纳个人税——双重征税。(iii)留存收益需缴纳公司税,也需缴纳个人所得税,但税率低于普通收入税率(至少历史上如此),而且只有在最终实现为资本收益时才需要缴纳个人所得税。
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引用次数: 0
Government and Nonprofits 政府和非营利组织
Pub Date : 2020-09-26 DOI: 10.2139/ssrn.3410649
E. Fama
Federal, state, and local governments are similar to nonprofits in that their labor inputs pay taxes, but they are otherwise tax exempt. Governments are involved in some activities special to them, for example, defense, police, and court systems, but many government activities overlap with those of nonprofits, for example, education, healthcare, research, and programs for the poor. Nonprofits sell some goods and services, for example, education, and health services, but many also get revenues from donations. Governments also sell some goods and services, but their major revenues are from taxes. Many citizens value government activities. Republicans like defense; democrats like social services. It is, however, puzzling that republicans and democrats alike typically go to great lengths to minimize their taxes. Donations to governments are rare. I offer an explanation.
联邦、州和地方政府与非营利组织类似,它们的劳动投入要纳税,但在其他方面是免税的。政府参与了一些对他们来说特别的活动,例如国防、警察和法院系统,但许多政府活动与非营利组织的活动重叠,例如教育、医疗保健、研究和穷人项目。非营利组织出售一些商品和服务,例如教育和卫生服务,但许多非营利组织也从捐赠中获得收入。政府也出售一些商品和服务,但它们的主要收入来自税收。许多公民重视政府的活动。共和党人喜欢国防;民主党人喜欢社会服务。然而,令人费解的是,共和党人和民主党人通常都不遗余力地将他们的税收降到最低。对政府的捐款很少。我提供了一个解释。
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引用次数: 0
The Impact of Banking Regulation on Voluntary Disclosures: Evidence from the Dodd-Frank Act 银行监管对自愿披露的影响:来自多德-弗兰克法案的证据
Pub Date : 2019-02-11 DOI: 10.2139/ssrn.3332488
Anya Kleymenova, Li Zhang
We investigate how the Dodd-Frank Act (DFA) affects voluntary disclosures of large bank holding companies (BHCs) relative to other banks and unregulated firms in the financial sector. Using a difference-in-differences research design, we find that following the introduction of the DFA, large banks become less likely to issue earnings forecasts containing bad news. They also reduce the frequency of issuing earnings forecasts but increase the frequency of providing forecasts for dividends and return on assets. In earnings-related conference calls, managers of large banks offer information with incrementally higher numerical and forward-looking intensity in both the prepared remarks and their answers to analysts’ questions. Finally, we find that large banks provide incrementally less information than other banks about certain regulated activities and instead focus more on commercial banking financial performance and market innovation. Our findings provide the first evidence of the unintended consequences of the DFA on changes in affected banks’ voluntary disclosures, an important component of the information environment.
我们调查了多德-弗兰克法案(DFA)如何影响大型银行控股公司(BHCs)相对于其他银行和金融部门不受监管的公司的自愿披露。使用差异中的差异研究设计,我们发现引入DFA后,大型银行发布包含坏消息的盈利预测的可能性降低。它们还减少了发布收益预测的频率,但增加了提供股息和资产回报预测的频率。在与收益相关的电话会议上,大型银行的经理们在准备好的发言和对分析师问题的回答中,提供的信息在数字和前瞻性方面的强度都越来越高。最后,我们发现,与其他银行相比,大型银行提供的有关某些监管活动的信息越来越少,相反,它们更关注商业银行的财务业绩和市场创新。我们的研究结果首次证明,DFA对受影响银行自愿披露(信息环境的重要组成部分)的变化产生了意想不到的后果。
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引用次数: 7
Information versus Investment 信息与投资
Pub Date : 2018-11-01 DOI: 10.2139/ssrn.3073956
S. Terry, Toni M. Whited, Anastasia A. Zakolyukina
We quantify the real implications of trade-offs between firm information disclosure and long-term investment efficiency. We estimate a dynamic equilibrium model in which firm managers confront realistic incentives to misreport earnings and distort their real investment choices. The model implies a socially optimal level of disclosure regulation that exceeds the estimated value. Counterfactual analysis reveals that eliminating earnings misreporting completely through disclosure regulation incentivizes managers to distort real investment. Lower earnings informativeness raises the cost of capital, which results in a 5.7% drop in average firm value, but more modest effects on social welfare and aggregate growth.
我们量化了企业信息披露与长期投资效率之间权衡的实际含义。我们估计了一个动态均衡模型,在这个模型中,公司经理面临着错误报告收益和扭曲其实际投资选择的现实激励。该模型暗示披露监管的社会最优水平超过了估价值。反事实分析表明,通过信息披露法规完全消除盈余误报会激励管理者扭曲真实投资。较低的收入信息性提高了资本成本,导致平均企业价值下降5.7%,但对社会福利和总体增长的影响较为温和。
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引用次数: 17
The Propagation of Monetary Policy Shocks in a Heterogeneous Production Economy 异质生产经济中货币政策冲击的传播
Pub Date : 2018-11-01 DOI: 10.2139/ssrn.3288756
E. Pastén, Raphael S. Schoenle, Michael Weber
Realistic heterogeneity in price rigidity interacts with heterogeneity in sectoral size and input-output linkages in the transmission of monetary policy shocks. Quantitatively, heterogeneity in price stickiness is the central driver for real effects. Input-output linkages and consumption shares alter the identity of the most important sectors to the transmission. Reducing the number of sectors decreases monetary non-neutrality with a similar impact response of inflation. Hence, the initial response of inflation to monetary shocks is not sufficient to discriminate across models and ignoring heterogeneous consumption shares and input-output linkages identifies the wrong sectors from which the real effects originate.
价格刚性的现实异质性与货币政策冲击传导中部门规模和投入产出联系的异质性相互作用。从数量上看,价格粘性的异质性是实际效应的主要驱动因素。投入产出联系和消费份额改变了对传播最重要部门的特征。减少部门数量会降低货币的非中性,对通货膨胀产生类似的影响。因此,通货膨胀对货币冲击的最初反应不足以区分不同模型,忽略异质消费份额和投入产出联系,识别出真正影响来自的错误部门。
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引用次数: 90
Do Director Elections Matter? 董事选举重要吗?
Pub Date : 2017-07-05 DOI: 10.2139/ssrn.2609815
Vyacheslav Fos, Kai Li, Margarita Tsoutsoura
Using a hand-collected sample of election nominations for more than 30,000 directors over the period 2001–2010, we construct a novel measure of director proximity to elections called Years-to-election. We find that the closer directors of a board are to their next elections, the higher CEO turnover-performance sensitivity is. A series of tests, including one that exploits variation in Years-to-election that comes from other boards, supports a causal interpretation. Further analyses show that other governance mechanisms do not drive the relation between board Years-to-election and CEO turnover-performance sensitivity. We conclude that director elections have important implications for corporate governance. Received March 10, 2016; editorial decision May 19, 2017 by Editor Itay Goldstein.
使用2001年至2010年期间手工收集的3万多名董事的选举提名样本,我们构建了一种新的董事与选举的接近度度量方法,称为“距离选举的年份”。我们发现,董事会成员离下次选举越近,CEO更替-绩效敏感性越高。一系列的测试,包括利用来自其他委员会的选举年份的变化,支持因果解释。进一步分析表明,其他治理机制并不能驱动董事会任期与CEO离职绩效敏感性之间的关系。我们得出结论,董事选举对公司治理具有重要意义。2016年3月10日收稿;编辑决定2017年5月19日编辑Itay Goldstein
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引用次数: 51
Rise of Factor Investing: Asset Prices, Informational Efficiency, and Security Design 要素投资的兴起:资产价格、信息效率和安全设计
Pub Date : 2016-11-28 DOI: 10.2139/ssrn.2800590
L. Cong, Douglas Xu
We model financial innovations such as Exchange-Traded Funds, smart beta products, and many index-based vehicles as composite securities that facilitate trading common factors in assets' liquidation values. Through accessing a larger basket of assets in endogenously-chosen proportions, composite securities can benefit both informed and liquidity traders and attract all factor investors with optimal designs that feature selecting liquid and representative assets. Consistent with empirical findings, introducing composite securities leads to higher price variability and co-movements, larger trading costs and synchronicity, and lower asset-specific but higher factor information in prices, especially for illiquid assets. Trading transparency, distinction between bundles and derivatives, and endogenous information acquisition also significantly affect prices and security design.
我们将交易所交易基金(etf)、智能beta产品和许多基于指数的工具等金融创新作为组合证券进行建模,以促进资产清算价值中的共同因素的交易。通过以内生选择的比例获得更大的一篮子资产,组合证券可以使知情和流动性的交易者受益,并通过选择流动性和代表性资产的最佳设计吸引所有因素投资者。与实证研究结果一致,引入复合证券导致更高的价格变异性和协同运动,更大的交易成本和同步性,以及更低的资产特异性但更高的价格因素信息,特别是对于非流动性资产。交易透明度、捆绑交易与衍生交易的区别、内生信息获取对价格和安全设计也有显著影响。
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引用次数: 49
Income Inequality and Asset Prices Under Redistributive Taxation 再分配税收下的收入不平等和资产价格
Pub Date : 2015-10-01 DOI: 10.2139/ssrn.2674633
Ľuboš Pástor, P. Veronesi
We develop a simple general equilibrium model with heterogeneous agents, incomplete financial markets, and redistributive taxation. Agents differ in both skill and risk aversion. In equilibrium, agents become entrepreneurs if their skill is sufficiently high or risk aversion sufficiently low. Under heavier taxation, entrepreneurs are more skilled and less risk-averse, on average. Through these selection effects, the tax rate is positively related to aggregate productivity and negatively related to the expected stock market return. Both income inequality and the level of stock prices initially increase but eventually decrease with the tax rate. Investment risk, stock market participation, and skill heterogeneity all contribute to inequality. Cross-country empirical evidence largely supports the model's predictions.
我们建立了一个简单的一般均衡模型,包括异质性主体、不完全金融市场和再分配税收。代理人在技能和风险厌恶上都有所不同。在均衡状态下,如果代理人的技能足够高或风险厌恶程度足够低,他们就会成为企业家。在更重的税收下,平均而言,企业家更有技能,更不厌恶风险。通过这些选择效应,税率与总生产率呈正相关,与股票市场预期收益负相关。收入不平等和股票价格水平最初都随着税率的增加而增加,但最终会减少。投资风险、股票市场参与度和技能异质性都会导致不平等。跨国经验证据在很大程度上支持该模型的预测。
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引用次数: 25
期刊
Chicago Booth: Fama-Miller Working Paper Series
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