Within a financial market where a risk-free bond and a long-lived risky asset are exchanged by investors with heterogeneous trading rules, we assume that the investors most exposed to the risky asset are subject to joint liquidation needs. The latter encompass a risk whenever the market impact...

Concentrating on speculative flow rather than stock demand, the paper puts forward a deterministic continuous-time model of the equity market that is compatible with a growing and inflationary economy. Instead of the systematically rising equity price, the central state variable in now Tobin's...

The half-life is used to estimate the adjustment speed of a variable to a new equilibrium point after being affected by the impulse response of a unit of shocks. The paper examines the adjustment speed of COVID19, investor sentiment, and the stock market through half-life estimates over the...

The beliefs' heterogeneity of investors reflects the disagreement on the information interpretation. This article proposes to explain and appreciate the potential contribution of the beliefs' heterogeneity concept to the assimilation of the information interpretation process by investors.The...

This paper investigates the role of investor attention in forecasting realized volatility for fourteen international stock markets, by means of Google Trends data, over the sample period January 2004 through November 2021. We devise an augmented Empirical Similarity model that combines three...

The purpose of this research is to examine the impact of sentiment derived from news headlines on the direction of stock price changes. The study examines stocks listed on the WIG-banking sub-sector index on the Warsaw Stock Exchange. Two types of data were used: textual and market data. The...

Although social mood can motivate herding towards new industries, the extent to which regulators cater to social mood may affect that herding. We explore this issue in the context of the nascent cannabis industry by examining herding among the cannabis stocks listed in the US and Canada, where...

Individual investors’ overall return in stock markets decreases with the increase in trading frequency due to factors such as commission expenses, insider trading, spreads, and institutional investors’ high-frequency algorithms. In this study, the relationship between believing the technical...

News on the stock market contains positive or negative sentiments depending on whether the information provided is favorable or unfavorable to the stock market. This study aims to discover news sentiments and classify news according to its sentiments with the application of PhoBERT, a Natural...

Using a semi-supervised topic model on 7,000,000 New York Times articles spanning 160 years, we test whether topics of media discourse predict future stock and bond market returns to test rational and behavioral hypotheses about market valuation of disaster risk. Focusing on media discourse...