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The global financial system is highly complex, with cross-border interconnections and interdependencies. In this highly interconnected environment, local financial shocks and events can be easily amplified and turned into global events. New models are needed to capture the structure of the...
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In the current era of strong worldwide market couplings the global financial village became highly prone to systemic collapses, events that can rapidly sweep through out the entire village. Here we present a new methodology to assess and quantify inter-market relations. The approach is based on...
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This paper reviews the response of the European stock markets to the Brexit referendum. We analyze the correlation of market indices, stock volatility and the special role of stocks from the financial sector. While the impact of the vote was very similar for the stock markets in France, Germany...
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We examine the bipartite graphs of German corporate boards in 1993, 1999 and 2005, and identify cores of directors who are highly central in the entire network while being densely connected among themselves. Germany’s corporate governance has experienced significant changes during this time,...
Persistent link: https://www.econbiz.de/10003906920
We analyze the stock prices of the S&P market from 1987 to 2012 with the covariance matrix of the firm returns determined in time windows of several years. The eigenvector belonging to the leading eigenvalue (market) exhibits in its long term time dependence a phase transition with an order...
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