• Research

    Market manipulation in the financial crisis

    December 20, 2011 • Research

    I authored some work recently in which we identify an instance of potential market manipulation. Here’s the page on NECSI’s website. Here are reddit posts about it in economics, politics, math, finance, and occupywallstreet.  Here’s an HN post about it. It was covered by BoingBoing, PhysOrg, ScienceNews, Technology Review, ZeroHedge, Naked Capitalism, and others.

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    Why flash crashes happen

    August 19, 2011 • Research

    The markets have been volatile recently. Various securities have experienced “mini flash crashes”: they suddenly lose a large fraction of their value, and regain it just as quickly. I wrote a piece for NECSI’s website to explain some of the market microstructure behind why flash crashes happen.

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