Liquidity Sentiments

Vladimir Asriyan Brett Green, William Fuchs - Aug 06, 2018

Working Paper No.  00034-01

We develop a rational theory of liquidity sentiments in which the market outcome in any given period depends on agents' expectations about market conditions in future periods. Our theory is based on the interaction between adverse selection and resale considerations giving rise to an intertemporal coordination problem that yields multiple self-ful lfiling equilibria. We construct ''sentiment" equilibria in which sunspots generate fluctuations in prices, volume, and welfare, all of which are positively correlated. The intertemporal nature of the coordination problem disciplines the set of possible sentiment dynamics. In particular, sentiments must be sufficiently persistent and transitions must be stochastic. We consider an extension with production in which asset quality is endogenously determined and provide conditions under which sentiments are a necessary feature of any equilibrium. A testable implication of the model is that assets produced in good times are of lower average quality than those produced in bad times. We discuss the predictions of our theory within the context of several applications.

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