Showing 101 - 110 of 98,495
This paper introduces a novel method for estimating the alpha and beta of hedge fund indices that corrects for stale pricing in reported returns. This approach can be further used to estimate volatility and other risk measures. We apply this technique to a composite hedge fund index and six...
Persistent link: https://www.econbiz.de/10014361316
We survey the nascent literature on machine learning in the study of financial markets. We highlight the best examples of what this line of research has to offer and recommend promising directions for future research. This survey is designed for both financial economists interested in grasping...
Persistent link: https://www.econbiz.de/10014322889
Time horizon dimensions are added to asset pricing theory. Single period, static, arbitrage pricing theory (APT) describes single period risk with long horizon contributions in the frequency domain. Mean-reversion risks correspond to horizon variances. Mean-reversion risk is measured using the...
Persistent link: https://www.econbiz.de/10014351311
In the past year, generative AI, led by Chat GPT by Open AI and Bard, a language experiment by Google, generated tremendous attention amongst the public. Their impact on finance, law and general productivity are difficulty to articulate with words. This paper aims to strengthen the...
Persistent link: https://www.econbiz.de/10014352641
This paper explores asset pricing implications of unemployment risk from sectoral shifts. I proxy for this risk using cross-industry dispersion (CID), defined as a mean absolute deviation of returns of 49 industry portfolios. CID peaks during periods of accelerated sectoral reallocation and...
Persistent link: https://www.econbiz.de/10014254871
This paper examines the relationship between idiosyncratic risk and stock returns in BRICS (Brazil, Russia, India, China, and South Africa) countries by applying parametric and nonparametric approaches. It also explores the idiosyncratic risk puzzle by dividing firms into groups based on...
Persistent link: https://www.econbiz.de/10014307488
We evaluate whether machine learning methods can better model excess portfolio returns compared to the standard regression-based strategies generally used in the finance and econometric literature. We examine 17 benchmark factor model specifications based on Expected Utility Theory and theory...
Persistent link: https://www.econbiz.de/10015066381
It is well established that value stocks outperform glamour stocks, yet considerable debate exists about whether the return differential reflects compensation for risk or mispricing. Under mispricing explanations, prices of glamour (value) firms reflect systematically optimistic (pessimistic)...
Persistent link: https://www.econbiz.de/10013093880
During the global financial crisis, stressed market conditions led to skyrocketing corporate bond spreads that could not be explained by conventional modeling approaches. This paper builds on this observation and sheds light on time-variations in the relationship between systematic risk factors...
Persistent link: https://www.econbiz.de/10011855295
Die Analyse und Beurteilung der Kapitalanlagepolitik deutscher Lebensversicherer istvon außen – insbesondere für Anteilseigner und Versicherte – sehr schwierig, da hierzuim Allgemeinen nur wenige Informationen zur Verfügung stehen. Der folgende Beitragwidmet sich diesem Informationsmangel...
Persistent link: https://www.econbiz.de/10005861551