Suche
Anzeige der Dokumente 1-6 von 6
Smart (Phone) Investing? A Within Investor-Time Analysis of New Technologies and Trading Behavior
(2021-02-02)
Using transaction-level data from two German banks, we study the effects of smartphones on investor behavior. Comparing trades by the same investor in the same month across different platforms, we find that smartphones ...
Global Realignment in Financial Market Dynamics: Evidence from ETF Networks
(2021-02-04)
The centrality of the United States in the global financial system is taken for granted, but its response to recent political and epidemiological events has suggested that China now holds a comparable position. Using ...
The Disposition Effect in Boom and Bust Markets
(2021-02-05)
The disposition effect is implicitly assumed to be constant over time. However, drivers of the disposition effect (preferences and beliefs) are rather countercyclical. We use individual investor trading data covering several ...
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 ...