Domain-specific dictionaries have prevailed, when conducting the dictionary-based approach to measure the sentiment of textual data in finance. Through the contributions of Bannier et al. (2019a) and Pöferlein (2021), two versions of a dictionary suitable for analyzing German finance-related...

Data breaches continue to plague most industries but especially the healthcare sector. While previous studies have aimed at assessing the financial implications arising from data breaches, none of them focused on the healthcare sector. This study of market reactions following data breaches fills...

The study aims to empirically analyze the reaction of stock prices to the information about the conclusion and acceptance of a debtor-creditor arrangement under restructuring proceedings of companies listed on the stock exchange in Poland. The following main research hypothesis was verified:...

The primary objective of the study is to examine the impact of political news (good and bad news) on the returns and volatility of Borsa Istanbul 100 Index (BIST-100). Sample data cover the period from January 2008 to December 2017. The main sample was divided into two subperiods to insulate the...

This paper tests the performance of the Capital Asset Pricing Model (CAPM) and the Fama-French three-factor and Carhart four-factor models on the Polish market. We use stock level data from April 2001 to January 2014 and find strong evidence for value and momentum effects, but only weak evidence...

Objective: The aim of this paper is to identify basic relationships between intellectual capital efficiency in banks, their corporate governance, and their financial performance. Examining these relationships seems justified as up to now the topic has been investigated relatively rarely....

The financial health hypothesis argues that the valuation multiple of book value of equity (earnings) increases (decreases) as financial health decreases. By considering the liquidity dimension of financial health, we analyze an accrual-based liquidity ratio (current ratio) and a cash-based...

This study analyzes the wealth effects of SEO announcements in the US during the COVID-19 pandemic and its main determinants. We find significantly negative abnormal returns of − 8.6%. This provides persuasive evidence that capital markets reacted particularly negative during this period,...

This study investigates stock recommendations from the three largest finance subreddits on Reddit: wallstreetbets, investing and stocks. A simple strategy that buys recommended stocks weighted by the number of posts per day yields a portfolio with higher average returns at the expense of higher...

We apply recent stability and bifurcation results to provide an analytical characterization of Paul de Grauwe's chaotic exchange rate model. We prove that the model's fundamental steady state becomes unstable due to a Neimark-Sacker bifurcation when chartists extrapolate past exchange rate...