A partir dos retornos das ações de indústrias, analiso se as fake news feitas pelos presidentes americanos Barack Obama e Donald Trump afetam o mercado de ações de maneira sistemática. Especificamente, investigo se os ...

The main objective of this article is to test the hypothesis that utility preferences that incorporate asymmetric reactions between gains and losses generate better results than the classic Von Neumann-Morgenstern utility ...

As Covid-19 ravages through, several researchers have attempted to describe its impact in the share price of listed companies. I investigate the Brazilian stock market through a regression analysis of how three firm ...

Company´s market share price can be affected by financial events or be a consequence of the stock market chaotic trend. This effect also depends on company market capitalization. In technical analysis of the stock market, ...

The 2010 Chilean earthquake and tsunami were among the strongest in the world history. The exogeneity of these natural disasters provides the opportunity to test stock price reactions. Using a sample of 42 firms listed ...

This thesis aims to investigate the stock market reactions around the world to the US-China trade war using an event study. Specifically, we study abnormal returns and abnormal volatility on March 22, 2018, when the first ...

The mining sector is still one of the most fundamental ones in today´s economy, providing raw material to probably every industry. Accordingly, mining has a great influence on stock markets and investors worldwide. Following ...