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Editor’s Letter 编辑的信
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-09-30 DOI: 10.3905/joi.2021.30.6.001
Brian R. Bruce
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引用次数: 0
What Do Capture Ratios Really Capture in Mutual Fund Performance? 占比在共同基金的表现中究竟反映了什么?
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-09-30 DOI: 10.3905/joi.2021.1.191
Aron Gottesman, M. Morey
Many well-known mutual fund companies as well as mutual fund rating services such as Morningstar have recently reported “capture ratios” to help investors evaluate mutual fund performance. These ratios give investors a sense of how a fund has performed in certain market conditions. For example, there is an “upside market capture ratio” that shows a mutual fund’s past performance in up-markets. Similarly, there is a “downside market capture ratio” which provides the fund’s past performance in down-markets. In this article we use mutual fund data from 1990–2019 to analyze these capture ratios and examine how well they predict future fund performance. We find evidence that capture ratios are quite overrated. First, they do not seem to “capture” manager ability but rather just the beta of the portfolio. Second, when we use a measure of manager skill created by combining capture ratios, we find that this measure of skill is actually negatively and significantly related to future fund performance over periods longer than one year. Based on our results, investors should be cautious when using capture ratios to measure or predict performance. Key Findings ▪ This article finds that the relationship between the capture ratios and beta is significantly and strongly positive. This suggests that those using capture ratios as evidence of manager skill may be misattributing performance. ▪ This article also finds that the skill measure, which is the difference between a fund’s upside and downside capture ratios, is significantly and negatively related to three-year and five-year out-of-sample alpha. This suggests that longer-term investors do not benefit from investing in funds with higher skill. ▪ The results presented in this article suggest that mutual fund companies should be cautious when touting their capture ratios as evidence of manager skill, and investors should be cautious not to misinterpret the capture ratios as evidence of manager skill.
许多知名的共同基金公司以及晨星(Morningstar)等共同基金评级服务机构最近都公布了“捕获比率”,以帮助投资者评估共同基金的表现。这些比率让投资者了解基金在特定市场条件下的表现。例如,有一个“上行市场捕获率”,显示共同基金过去在上行市场的表现。同样,还有一个“下行市场捕获率”,它提供了基金过去在下行市场的表现。在本文中,我们使用1990年至2019年的共同基金数据来分析这些捕获比率,并检验它们对未来基金业绩的预测能力。我们发现证据表明捕获比率被高估了。首先,它们似乎并没有“捕捉”到经理的能力,而仅仅是投资组合的贝塔系数。其次,当我们使用通过合并捕获比率创建的经理技能衡量标准时,我们发现,这种技能衡量标准实际上与超过一年的未来基金业绩呈显著负相关。根据我们的研究结果,投资者在使用捕获比率来衡量或预测业绩时应谨慎。▪本文发现捕获率与β之间存在显著且强烈的正相关关系。这表明,那些使用捕获率作为经理技能证据的人可能错误地将业绩归因于此。▪本文还发现,技能指标,即基金的上行和下行捕获比率之间的差异,与3年和5年样本外alpha显着负相关。这表明长期投资者不会从投资高技能基金中获益。▪本文提出的结果表明,共同基金公司在将其捕获比率作为经理技能的证据时应谨慎,投资者应谨慎,不要将捕获比率误解为经理技能的证据。
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引用次数: 0
Applying News Sentiment for Optimizing Strategic Asset Allocations 应用新闻情感优化资产配置策略
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-09-29 DOI: 10.3905/joi.2021.1.203
P. Rohner, Matthias W. Uhl
In this article, the authors show that it is possible to enhance traditional Black and Litterman strategic asset allocation (SAA) models with a behavioral approach based on news sentiment. In an out-of-sample backtest over 10 years, the news sentiment–based SAA outperforms the benchmark SAA by 0.5% a year with less risk and a 20% higher Sharpe ratio. The news sentiment data are also statistically different from price momentum measures.
在这篇文章中,作者表明,通过基于新闻情绪的行为方法,可以增强传统的Black和Litterman战略资产配置(SAA)模型。在10年的样本外回溯测试中,基于新闻情绪的SAA每年比基准SAA高0.5%,风险较小,夏普比率高出20%。新闻情绪数据在统计上也与价格动量指标不同。
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引用次数: 0
The Information in Low Forecasts 低气压预报中的信息
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-09-24 DOI: 10.3905/joi.2021.1.202
Haim A. Mozes
This article introduces an intuitive, earnings-based sentiment indicator that is useful for forecasting overall market direction. The indicator aggregates the difference between the mean and the low forecasts on individual stocks, with the rationale being that the indicator captures for the entire market what dispersion captures for a single stock. The basic results are that when the aggregate low forecast is considerably lower than the aggregate mean forecast, subsequent forecast revisions tend to be more negative and future index returns tend to be lower and more volatile. However, when the aggregate low forecast is extremely low compared with the aggregate mean forecast, investor and analyst sentiments tend to be overly pessimistic, and the market thus tends to perform strongly.
本文介绍了一个直观的、基于收益的情绪指标,它对预测整体市场方向很有用。该指标汇总了对个股的平均预测和低预测之间的差异,其原理是该指标捕捉到了整个市场对单个股票的离散度。基本结果是,当总低点预测远低于总均值预测时,随后的预测修正往往更为负面,未来指数回报往往更低,波动更大。然而,当总低点预测与总均值预测相比极低时,投资者和分析师的情绪往往过于悲观,因此市场往往表现强劲。
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引用次数: 0
Tax Reform, Company Value, and Biden Proposals 税收改革、公司价值和拜登提案
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-09-03 DOI: 10.3905/joi.2021.1.200
Robin L. Walker, John R. Wingender, T. J. Purcell
Federal income tax legislative reforms impact both investors and companies. It is prudent to understand these legislative effects before the next round of tax legislation. This article examines whether announcements regarding the passage of the Tax Cuts and Jobs Act of 2017 (TCJA) affected the value of publicly traded companies. The authors use a multiple-date event study methodology to analyze whether abnormal returns were present for companies in the S&P 500 Index after various announcements of the TCJA’s passage by the US Congress. Results on many of the event dates provide support that the TCJA had a positive impact on company value. They also analyze differences among companies based on dividend practices, multinationality, revenue growth, and effective tax rates. Their findings provide valuable insight as US companies and investors prepare for the possibility of corporate tax changes from the Biden administration.
联邦所得税立法改革对投资者和公司都有影响。谨慎的做法是在下一轮税收立法之前了解这些立法效果。本文探讨了有关2017年《减税和就业法案》(TCJA)通过的公告是否影响了上市公司的价值。作者使用多日期事件研究方法来分析在美国国会多次宣布TCJA通过后,标准普尔500指数中的公司是否存在异常回报。许多活动日期的结果支持TCJA对公司价值产生了积极影响。他们还根据股息做法、跨国公司、收入增长和有效税率分析了公司之间的差异。在美国公司和投资者为拜登政府可能改变公司税做准备之际,他们的发现提供了宝贵的见解。
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引用次数: 1
Value versus Glamour Stocks: The Return of Irrational Exuberance? 价值与魅力股票:非理性繁荣的回归?
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-08-27 DOI: 10.3905/joi.2021.1.199
B. Bellone, Raul Leote de Carvalho
Value stocks have endured a period of severe underperformance until recently. This article shows that the value spreads between valuations of value stocks and their most expensive peers expanded in all regions and sectors during this period of underperformance, reaching the same extreme high levels last seen at the peak of the tech bubble in 2000. Investors have rerated expensive stocks relative to their value peers, thus reflecting an expanding difference in their respective earnings growth forecasts. There are signs this trend may now have changed. Value spreads may have started a new period of compression at the end of 2020, led by shrinking differences in earnings growth forecasts. A compression in value spreads would be favorable for value stocks, small-capitalization stocks, and multifactor strategies.
直到最近,价值型股票经历了一段表现严重不佳的时期。本文表明,在这段表现不佳的时期,所有地区和行业的价值型股票估值与最贵股票估值之间的价值差都在扩大,达到了2000年科技泡沫顶峰时的极端高水平。相对于价值型股票,投资者更看重昂贵的股票,从而反映出两者各自盈利增长预期的差异越来越大。有迹象表明,这种趋势现在可能已经改变。在收益增长预测差异缩小的带动下,价值差可能在2020年底开始新一轮压缩。价值价差的压缩将有利于价值股、小盘股和多因素策略。
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引用次数: 2
Financial Globalization and Its Implications for Diversification of Portfolio Risk 金融全球化及其对投资组合风险分散的影响
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-08-20 DOI: 10.3905/joi.2021.1.197
Ramu Thiagarajan, Jiho Han, Aaron Hurd, Hanbin Im, Gaurav Mallik
Trade disputes and the impact of the COVID-19 pandemic on global supply chains have drawn much attention to the notion of “deglobalization.” The common concern is that the steady trend of globalization and its many benefits may reverse. But the globalization trend is not a monolith. In this article, we show that although trade globalization has stalled since the Global Financial Crisis (GFC), financial globalization has continued to increase. We further show that financial globalization has a much more significant impact on portfolios than trade globalization. The primary mechanism of this impact, US dollar hegemony, impacts portfolios primarily through increased spillover of US monetary policy shocks. The two implications for investors are: (1) global equity markets have become increasingly correlated and are likely to stay that way, and (2) this increased correlation reduces the benefits of portfolio diversification and leads to a more concentrated exposure to US monetary policy shocks. Key Findings ▪ Financial globalization has increased steadily even as trade globalization has stalled over the past decade. ▪ Increased financial globalization amplified by increased US Dollar hegemony raises the correlation of global equity markets, reduces efficacy of geographic diversification, and concentrates exposure to US monetary policy shocks. ▪ Therefore, investors must step beyond the simple equity/fixed income paradigm to consider other opportunities to diversify equity risk such as commodities, currencies, alternatives, or low volatility strategies.
贸易争端和新冠肺炎疫情对全球供应链的影响引起了人们对“去全球化”概念的关注。人们普遍担心的是,全球化的稳定趋势及其诸多好处可能会发生逆转。但全球化趋势并不是一个庞然大物。在本文中,我们表明,尽管自全球金融危机(GFC)以来贸易全球化停滞不前,但金融全球化仍在继续增加。我们进一步表明,金融全球化对投资组合的影响要比贸易全球化显著得多。这种影响的主要机制是美元霸权,它主要通过美国货币政策冲击的外溢效应增加来影响投资组合。这对投资者的两个影响是:(1)全球股市的相关性越来越强,而且很可能保持这种状态;(2)这种相关性的增强降低了投资组合多样化的好处,导致对美国货币政策冲击的风险敞口更加集中。在过去十年中,尽管贸易全球化停滞不前,但金融全球化仍在稳步发展。•美元霸权的增强放大了金融全球化的加剧,提高了全球股票市场的相关性,降低了地域多样化的有效性,并集中了美国货币政策冲击的风险敞口。因此,投资者必须超越简单的股票/固定收益模式,考虑其他机会来分散股票风险,如商品、货币、替代品或低波动性策略。
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引用次数: 0
COMMENTARY: Last Page 评论:最后一页
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-08-13 DOI: 10.3905/joi.2021.1.195
G. Frankfurter
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引用次数: 0
When and Why Does Momentum Work—and Not Work? 动量何时起作用,为什么不起作用?
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-07-31 DOI: 10.3905/joi.2021.1.190
A. Berkin
With a history of empirical success, momentum became widely adopted by investment managers despite a lack of consensus on why it worked. Then in the 2000s, momentum failed, with negative returns and sharp downturns. This article examines behavioral, market friction, and risk-based explanations for why momentum works. The author also pinpoints several circumstances when momentum fails, including post-decimalization, after bear markets, during volatile markets, and when value stocks outperform. He discusses how the three explanations of momentum’s behavior enable us to understand why momentum has failed and applies these conditions to understand momentum’s failure during the 2000s. This article thus provides guidance into when and why momentum works or doesn’t work, which will help investors decide how to proceed going forward. TOPICS: Security analysis and valuation, analysis of individual factors/risk premia, legal/regulatory/public policy, exchanges/markets/clearinghouses, performance measurement Key Findings ▪ The success of momentum can be explained by a variety of behavioral, market friction, and risk considerations. ▪ Under certain conditions, momentum will tend to not work, including post-decimalization, after bear markets, during periods of volatility, and when value stocks outperform. ▪ These conditions were more prevalent in the 2000s, helping to explain momentum’s weak performance in those years and providing investors with guidance going forward.
随着经验成功的历史,动量被投资经理广泛采用,尽管对其为何有效缺乏共识。但在21世纪头十年,这种势头失败了,回报率为负,经济急剧下滑。本文考察了行为、市场摩擦和基于风险的解释,以解释动量为何起作用。作者还指出了动力失效的几种情况,包括十进制之后、熊市之后、市场波动期间以及价值型股票表现优异的时候。他讨论了动量行为的三种解释如何使我们理解动量失败的原因,并应用这些条件来理解本世纪头十年动量的失败。因此,本文提供了关于何时以及为什么动量起作用或不起作用的指导,这将帮助投资者决定如何继续前进。主题:证券分析和估值、个人因素/风险溢价分析、法律/监管/公共政策、交易所/市场/清算所、绩效评估。关键发现▪动量的成功可以通过各种行为、市场摩擦和风险因素来解释。在某些情况下,动量倾向于不起作用,包括十进制之后,熊市之后,在波动期间,以及价值股表现优于股票的时候。这些情况在本世纪头十年更为普遍,有助于解释那些年动量表现疲弱的原因,并为投资者提供了未来的指导。
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引用次数: 0
COMMENTARY: Problems with the Endowment Model 评论:养老模式的问题
IF 0.6 Q3 Economics, Econometrics and Finance Pub Date : 2021-06-12 DOI: 10.3905/JOI.2021.1.186
Richard M. Ennis
Alternative investments long ago ceased to be diversifiers, as their trading markets became more liquid and pricing there came to be more closely aligned with that of public markets. For the same reason, the principal classes of alts ceased to be sources of alpha and became a serious drag on performance. As a result of this market evolution, the endowment model’s signature asset-class diversification scheme now imposes rigidity without benefit: Asset classes have become silos, tantamount to quotas for large-scale investing in pricey alternative investments of uncertain merit. One hundred or more investment managers for an endowment portfolio are way too many: Inefficient diversification abounds. Costs approaching 2% of asset value are implausible on their face. TOPICS: Real assets/alternative investments/private equity, foundations & endowments, portfolio construction, performance measurement Key Findings ▪ Alternative investments have ceased to be diversifiers and have become a serious drag on performance. ▪ Having more than 100 managers for the typical large endowment is a source of inefficient diversification. ▪ An average estimated annual cost of 1.7%, combined with extensive diversification, virtually assures underperformance.
替代投资早就不再是多样化的投资,因为它们的交易市场变得更具流动性,定价也与公开市场的定价更加一致。出于同样的原因,主要类别的alts不再是alpha的来源,并成为性能的严重拖累。由于这种市场演变,捐赠模式的标志性资产类别多样化计划现在强加了刚性而没有好处:资产类别已经成为筒仓,相当于大规模投资价值不确定的昂贵替代投资的配额。一个捐赠投资组合的100多名投资经理太多了:低效的多元化比比皆是。从表面上看,接近资产价值2%的成本是难以置信的。主题:实物资产/另类投资/私募股权、基金会和捐赠基金、投资组合构建、绩效衡量关键发现▪ 另类投资已不再是多样化的投资,并严重拖累业绩。▪ 典型的大额捐赠基金拥有100多名管理人员是低效多元化的根源。▪ 平均估计每年1.7%的成本,再加上广泛的多元化,实际上确保了业绩不佳。
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引用次数: 2
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Journal of Investing
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