Source: Insider trading has been rife on Wall Street, academics conclude – In the know | The Economist
One study suggests insiders profited even from the global financial crisis; another that the whole share-trading system is rigged.
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The papers make imaginative use of pattern analysis from data to find that insider trading is probably pervasive. The approach reflects a new way of analysing conduct in the financial markets. It also raises questions about how to treat behaviour if it is systemic rather than limited to the occasional rogue trader.