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Portfolio sorting is ubiquitous in the empirical finance literature, where it has been widely used to identify pricing anomalies in different asset classes. Despite the popularity of portfolio sorting, little attention has been paid to the statistical properties of the procedure or to the...
Persistent link: https://www.econbiz.de/10011523775
We study how the distribution of stock returns is influenced through investor opinion by applying expectile regression to abnormal NASDAQ returns over the period April 2015 - August 2019. Thereby, we differentiate between different aspects of investor opinion: investor perception, attention and...
Persistent link: https://www.econbiz.de/10014350269
the importance of domain knowledge and financial theory when designing deep learning models. I also show return prediction …
Persistent link: https://www.econbiz.de/10014236793
We extract contextualized representations of news text to predict returns using the state-of-the-art large language models in natural language processing. Unlike the traditional bag-of-words approach, the contextualized representation captures both the syntax and semantics of text, thus...
Persistent link: https://www.econbiz.de/10014351081
descriptive statistics, autocorrelation function (ACF) and Ljung-Box Q (LB-Q) statistics, as well as the autoregressive …
Persistent link: https://www.econbiz.de/10011862130
Many studies estimate the impact of exposure to some quasi-experimental policy or event using a panel event study … time. In this paper we discuss the set-up of the panel event study design in a range of situations, and lay out a number of …
Persistent link: https://www.econbiz.de/10012256137
We extend the double-well potential process to a three-parameter version in order to model intraday price dynamics, with a focus on the intraday momentum and reversal. The proposed process has a parsimonious form of three parameters controlling momentum, reversal, and volatility respectively. By...
Persistent link: https://www.econbiz.de/10012868934
setting using newly developed panel unit root, cointegration, and long-run dynamic estimation approaches. This study employed …-run relationship between share price and dividends using panel data. However, the application of recently established panel econometric … a panel dataset of 60 Bombay Stock Exchange (BSE)-listed Indian firms paying regular dividends for 28 years (1990 …
Persistent link: https://www.econbiz.de/10013470997
Persistent link: https://www.econbiz.de/10012215152
This paper examines international equity market co-movements using time-varying copulae. We examine distributions from the class of Symmetric Generalized Hyperbolic (SGH) distributions for modelling univariate marginals of equity index returns. We show based on the goodness-of-fit testing that...
Persistent link: https://www.econbiz.de/10013098515