Preferences with taste shock representations: Price volatility and the liquidity premium
© 2019 Elsevier B.V. If price volatility is caused in some part by taste shocks, then it should be positively correlated with the liquidity premium. Our argument is based on Krishna and Sadowski (2014), who provide foundations for a representation of dynamic choice with taste shocks, and show that volatility in tastes corresponds to a desire to maintain flexibility. To formally connect volatile tastes to price volatility and preference for flexibility to the liquidity premium, we analyze a modified simple Lucas tree economy with two otherwise identical assets, where one provides more liquidity because its output can be traded on an auxiliary international market, and where the representative agent is uncertain about his degree of future risk aversion. We show that a representative agent with a higher degree of uncertainty about his future risk aversion implies a higher liquidity premium (ie, a higher price for the more liquid asset) and more price volatility.
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