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We focus on the role of social media as a high-frequency, unfiltered mass information transmission channel and how its use for government communication affects the aggregate stock markets. To measure this effect, we concentrate on one of the most prominent Twitter users, the 45th President of the United States, Donald J. Trump. We analyze around 1,400 of his tweets related to the US economy and classify them by topic and textual sentiment using machine learning algorithms. We investigate whether the tweets contain relevant information for financial markets, i.e. whether they affect market returns, volatility, and trading volumes. Using high-frequency data, we find that Trump’s tweets are most often a reaction to pre-existing market trends and therefore do not provide material new information that would influence prices or trading. We show that past market information can help predict Trump’s decision to tweet about the economy.
The institutionalization and internationalization of shareholdings, the globalization of capital markets and the rapid development of information technologies have placed our corporate law system under increasing pressure to adapt to the ever changing requirements of the market. For this reason, in May 2000, the German government called together a group of industrialists, representatives of shareholder associations and institutional investors, trade unionists, politicians and scholars to form an expert Panel with the task of reviewing the German corporate governance system. This Government Panel on Corporate Governance prepared a questionnaire on key issues in the field, and solicited responses and input from numerous national and international experts and institutions. In July 2001, the Commission presented its 320 page report (available at www.ottoschmidt. de/corporate_governance.htm) to the German Chancellor. The Report made nearly 150 recommendations for amendments or changes to existing provisions of German law and also set forth proposals on how the German corporate governance system should be further developed in order to maintain a normative framework that is suitable and attractive not only for companies, but also for domestic and foreign investors. In order that the Panel s proposals may receive careful consideration from a diverse audience, it seems very useful to keep a wider public informed of the Panel s recommendations. Therefore, also on behalf of the Panel, I very much appreciate that the international law firm Shearman & Sterling has taken the initiative to have the summary of the Panel s recommendations translated into English.