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    Barberis, Nicholas, Andrei Shleifer, and Robert Vishny. 1998. “A Model of Investor Sentiment.” Journal of Financial Economics 49 (3): 307-343. Abstract

    Recent empirical research in finance has uncovered two families of pervasive regularities underreaction of stock prices to news such as earnings announcements, and overreaction of stock prices to a series of good or bad news. In this paper, we present a parsimonious model of investor sentiment, or of how investors form beliefs, which is consistent with the empirical findings. The model is based on psychological evidence and produces both underreaction and overreaction for a wide range of parameter values.

    Gennaioli, Nicola, Andrei Shleifer, and Robert W Vishny. 2013. “A Model of Shadow Banking.” Journal of Finance 68 (4): 1331-1363. Abstract

    We present a model of shadow banking in which banks originate and trade loans, assemble them into diversified portfolios, and finance these portfolios externally with riskless debt. In this model: outside investor wealth drives the demand for riskless debt and indirectly for securitization, bank assets and leverage move together, banks become interconnected through markets, and banks increase their exposure to systematic risk as they reduce idiosyncratic risk through diversification. The shadow banking system is stable and welfare improving under rational expectations, but vulnerable to crises and liquidity dry-ups when investors neglect tail risks.

    Treisman, Daniel, and Andrei Shleifer. 2004. “A Normal Country.” Foreign Affairs 83 (2): 20-38.

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