Showing 1 - 10 of 139
This article provides an overview of existing community-contributed commands for executing event studies. I assess which command(s) could have been used to conduct event studies that have appeared in the past ten years in three leading accounting, finance and management journals. The older...
Persistent link: https://www.econbiz.de/10013242401
This paper discusses issues related to GPU for economic problems. It highlights new methodologies and resources that are available for solving and estimating economic models and emphasizes situations when they are useful and others where they are impractical. Two examples illustrate the...
Persistent link: https://www.econbiz.de/10014025712
The paper demonstrates the power of alternative data. Relying on the indicators obtained by mining online publicly available news articles, authors analyze their impact on Bitcoin returns. This research shows that in the first quarter of 2022 Bitcoin returns could be explained by the sentiment...
Persistent link: https://www.econbiz.de/10014372681
In recent years, there has been greater concern among the investors, portfolio managers and researchers regarding the behaviour of the stock market prices. The investors are interested to earn a higher return on their investments. Therefore, the portfolio managers have to examine the stock...
Persistent link: https://www.econbiz.de/10013106387
When an event is anticipated, the firm's stock return around the announcement of the event may have an inconsistent sign: a positive sign around negative news, or vice versa. We attempt to quantify the frequency of this problem, first with a brief mathematical model and simulation, then with...
Persistent link: https://www.econbiz.de/10013088910
Reviewing the definition and measurement of speculative bubbles in context of contagion, this paper analyses the DotCom bubble in American and European equity markets using the dynamic conditional correlation (DCC) model proposed by Engle and Sheppard (2001) as an econometrical - and on the...
Persistent link: https://www.econbiz.de/10012951740
We develop a theory of securities price formation and dynamics based on quantum approach without presuming any similarities with quantum mechanics. Disorder introduced by trading environment leads to probability distribution of returns that is not a smooth curve, but a speckle-pattern...
Persistent link: https://www.econbiz.de/10012994498
The aim of this paper is to examine the existence of short–run lead–lag effects between the spot and the futures market in the German stock exchange and particularly the DAX index, over the period 1/2000 - 12/2003, using intradaily data. As long as such relationships are established we...
Persistent link: https://www.econbiz.de/10013149131
This study investigates whether Google Search Volume Indices (GSVIs) bring shifts in the expected return of prominent pricing factors in comparison to the Volatility Index (VIX). The results show that compared to VIX, GSVIs bring less significant changes in expected premium on Fama-French's...
Persistent link: https://www.econbiz.de/10012023268
This paper states that market sentiments are central to any financial data analysis. A vivid distinction is made between studying financial data in terms of the concept of volatility and in rapport to analysing financial data in terms of market sentiments. The former is an existing approach that...
Persistent link: https://www.econbiz.de/10011884554