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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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Can central bank communication help to stabilise inflation expectations?
Jung, Alexander; Kühl, Patrick - 2021
information and news channel. A novelty of the study is its use of data from Google Analytics on ECB website traffic as proxy for … communication on the information demand of the public and ultimately on inflation expectations. Overall, this study shows that …-term professional inflation expectations. Our findings add to the theoretical evidence on the existence of an information and news …
Persistent link: https://www.econbiz.de/10012511097
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Price impact of aggressive liquidity provision
Gençay, Ramazan; Mahmoodzadeh, Soheil; Rojček, Jakub; … - 2016
takers. During bursts, market makers no longer passively impound information from order flow into quotes-a departure from the …
Persistent link: https://www.econbiz.de/10011516027
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Can an unglamorous non-event affect prices? : the role of newspapers
Ferretti, Riccardo; Cipollini, Andrea; Pattarin, Francesco - In: Cogent economics & finance 4 (2016) 1, pp. 1-16
Our paper offers evidence that the print media can affect stock prices by covering public information. After price … on other European markets. These findings support the view that newspapers play a role in disseminating information to …
Persistent link: https://www.econbiz.de/10011450524
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Taking into account the rate of convergence in CLT under Risk evaluation on financial markets
Kazaryan, Levon; Kantorovich, Gregory - In: Cogent economics & finance 5 (2017) 1, pp. 1-11
This paper examines “fat tails puzzle” in the financial markets. Ignoring the rate of convergence in Central Limit Theorem (CLT) provides the “fat tail” uncertainty. In this paper, we provide a review of the empirical results obtained “fat tails puzzle” using innovative method of...
Persistent link: https://www.econbiz.de/10011877599
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Pitfalls in long memory research
Saha, Kunal; Madhavan, Vinodh; Chandrashekhar, G. R. - In: Cogent economics & finance 8 (2020) 1, pp. 1-14
This paper offers a multifaceted perspective of the literature on long memory. Although the research on long memory has played an instrumental role in elevating the level of scholarly discourse on market efficiency, the authors believe that the issue of the prevalence of long memory or lack...
Persistent link: https://www.econbiz.de/10012219328