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Inflation and Nominal Financial Reporting: Implications for Performance and Stock Prices
Konchitchki, Yaniv - Volkswirtschaftliche Fakultät, … - 2011
The monetary unit assumption of financial accounting assumes a stable currency (i.e., constant purchasing power over time). Yet, even during periods of low inflation or deflation, nominal financial statements violate this assumption. I posit that, while the effects of inflation are not...
Persistent link: https://www.econbiz.de/10011114513
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Jumps in high-frequency data : spurious detections, dynamics, and news
Bajgrowicz, Pierre; Scaillet, Olivier - 2011
jumps. Jumps, High-Frequency Data, Spurious Detections, Jumps Dynamics, News Releases, Cojumps …
Persistent link: https://www.econbiz.de/10009313027
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The virtue of complexity in machine learning portfolios
Kelly, Bryan T.; Malamud, Semyon; Zhou, Kangying - 2021
Contrary to conventional wisdom in nance, return prediction R2 and optimal portfolio Sharpe ratio generally increase with model parameterization, even when minimal regularization is used. We theoretically characterize the behavior of return prediction models in the high complexity regime, i.e....
Persistent link: https://www.econbiz.de/10012800453
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Transition versus physical climate risk pricing in European financial markets : a text-based approach
Bua, Giovanna; Kapp, Daniel; Ramella, Federico; … - 2022
the industry they operate in. We find that firm level information appears to be used as a gauge for transition risk, in …
Persistent link: https://www.econbiz.de/10013271146
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Principal portfolios
Kelly, Bryan T.; Malamud, Semyon; Pedersen, Lasse Heje - 2020 - This version: June 8, 2020
We propose a new asset-pricing framework in which all securities' signals are used to predict each individual return. While the literature focuses on each security's own- signal predictability, assuming an equal strength across securities, our framework is flexible and includes...
Persistent link: https://www.econbiz.de/10012271188
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High-frequency jump analysis of the bitcoin market
Scaillet, Olivier; Treccani, Adrien; Trevisan, Christopher - 2017
We use the database leak of Mt. Gox exchange to analyze the dynamics of the price of bitcoin from June 2011 to November …
Persistent link: https://www.econbiz.de/10011762219
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Stock returns predictability and the adaptive market hypothesis in emerging markets: evidence from India
Hiremath, Gourishankar S; Kumari, Jyoti - Volkswirtschaftliche Fakultät, … - 2014
This study addresses the question of whether the adaptive market hypothesis provides a better description of the behaviour of emerging stock market like India. We employed linear and nonlinear methods to evaluate the hypothesis empirically. The linear tests show a cyclical pattern in linear...
Persistent link: https://www.econbiz.de/10011113081
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Do stock returns in India exhibit a mean reverting tendency? Evidence from multiple structural breaks test
Hiremath, Gourishankar S; Bandi, Kamaiah - Volkswirtschaftliche Fakultät, … - 2010
This paper re-examines the issue of mean-reversion in Indian equity market. Unlike earlier studies, the present paper carries out multiple structural breaks test and uses new and disaggregated data set. The study found significant structural breaks in the returns series of all selected indices...
Persistent link: https://www.econbiz.de/10011113266
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On the random walk characteristics of stock returns in India
Hiremath, Gourishankar S; Bandi, Kamaiah - Volkswirtschaftliche Fakultät, … - 2009
An attempt is made in this paper to examine whether stock returns in two premier two exchanges in India namely, Bombay Stock Exchange (BSE), and National Stock Exchange (NSE) follow a random walk. Towards this end, data on major indices during the period 1997 to 2009 are analyzed by using...
Persistent link: https://www.econbiz.de/10011113811
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Informational Contagion in the Laboratory
Cipriani, Marco - 2015
correlated fundamentals open sequentially. In both markets, subjects receive private information. Subjects in the market opening … information is only imperfectly aggregated, subjects are able to make correct inferences based on the public information coming … when it is rational to do so because they convey information …
Persistent link: https://www.econbiz.de/10013017423