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The Power of ESG Ratings on Stock Markets
(2021-03-10)
This paper studies the impact of environmental, social, and governance (ESG) ratings on investors’ preferences and stock prices. We exploit a change in ESG rating methodology that non-linearly shifted ESG ratings for firms ...
Market impact of government communication: The case of presidential tweets
(2021-10-06)
"We propose the ""President reacts to news"" channel of stock returns by studying the financial market impact of the Twitter account of the 45th president of the United States, Donald Trump. We use machine learning algorithms ...
Time-varying granger causality tests for applications in global crude oil markets: A study on the DCC-MGARCH Hong test
(2021-10-14)
Analysing causality among oil prices and, in general, among financial and economic variables is of central relevance in applied economics studies. The recent contribution of Lu et al. (2014) proposes a novel test for ...