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Optimal Inference for Spot Regressions
Bollerslev, Tim; Li, Jia; Ren, Yuexuan - 2023
Betas from return regressions are commonly used to measure systematic financial market risks. "Good" beta measurements are essential for a range of empirical inquiries in finance and macroeconomics. We introduce a novel econometric framework for the nonparametric estimation of time-varying betas...
Persistent link: https://www.econbiz.de/10014354368
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Konzeption des persönlichen Informationsmanagements
Klotz, Michael - 2011
als im Wesentlichen problematisch aufgefasst, so dass die real existierenden Schwierigkeiten im Umgang mit Information …
Persistent link: https://www.econbiz.de/10010309477
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Konzeption des persönlichen Informationsmanagements
Klotz, Michael - Fachbereich Wirtschaft, Fachhochschule Stralsund - 2011
als im Wesentlichen problematisch aufgefasst, so dass die real existierenden Schwierigkeiten im Umgang mit Information …
Persistent link: https://www.econbiz.de/10010984598
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Data quality and its impacts on decision-making : how managers can benefit from good data
Samitsch, Christoph - 2015
Persistent link: https://www.econbiz.de/10010482182
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Von Daten zu Informationen
Eichhorn, Peter - In: Verwaltung, Informationstechnik & Management : …, (pp. 81-86). 2017
Persistent link: https://www.econbiz.de/10014577098
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Data Quality and its Impacts on Decision-Making : How Managers can benefit from Good Data
Samitsch, Christoph - 2015
information. Results of the research provide evidence that defined data quality dimensions have an effect on decision …-making performance as well as the time it takes to make a decision. Contents Recent research of data and information quality, as well as … including results Target Groups Researchers and students in the field of Information Systems, Computer Science, Information …
Persistent link: https://www.econbiz.de/10012819096
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Persönliches Informationsmanagement : Grundlagen einer effektiven Informationsnutzung
Klotz, Michael - 2024
zur Unterscheidung zwischen „Daten“ und „Information“ – vermittelt. Nach einer Diskussion des Informationsbegriffs wird … die Bedeutung von Information auf den Ebenen Gesellschaft, Unternehmen und persönliche Informationsnutzung diskutiert. In …
Persistent link: https://www.econbiz.de/10014636896
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Principal Component Analysis of High Frequency Data
Aït-Sahalia, Yacine - 2017
We develop the necessary methodology to conduct principal component analysis at high frequency. We construct estimators of realized eigenvalues, eigenvectors, and principal components and provide the asymptotic distribution of these estimators. Empirically, we study the high frequency covariance...
Persistent link: https://www.econbiz.de/10012971197
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Asymmetric or Incomplete Information about Asset Values?
Liu, Crocker H. - 2019
We provide a new framework for using text as data in empirical models. The framework identifies salient information in … in the extant literature dissipate when the salient textual information is included. The results suggest the previously … distortions associated with asymmetric information …
Persistent link: https://www.econbiz.de/10012898019