Distributed consensus: What do money transactions and attacking armies have in common?
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In February 2014, a big bank in the Netherlands suffered from an internet banking malfunction which led many costumers to accidentally perform duplicate bank transfers.
Can algorithms learn to price collusively?
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This is a question I have been thinking about for the last two years. In this article, I will give a little overview of what I have discovered in that time.
Finance, Networks and Statistics come together
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One of the lessons learned after the financial crisis of 2008, with Lehman Brothers collapsing, causing instability in the global economy, was that there is a strong need to better model the underlying financial network in an economy as a whole.
Financial Networks: "A complete overview of interbank exchanges would help prevent a new financial collapse"
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A complete overview of interbank exchanges would help prevent a new financial collapse. However, banks do not provide this information: this is why a “network reconstruction” methodology to infer the unobserved connections is needed.
Bitcoins and queues
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Everybody is talking about Bitcoin. But how does it actually work?
Financial Economics: Informal Collaboration, Networks, and Gender
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How is scientific knowledge created? Are there patterns and special characteristics behind the flow of scientific knowledge? In this article I will guide you through my research work and try to give some answers to these questions!
Network analysis of tax treaties
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Large international companies often do not send their profits directly from one country to another. Instead, they send it via other countries, so-called conduit countries, to reduce the tax they pay. Which countries are the most important conduit countries?