We introduce a general equilibrium model to analyze the interactions between liquidity regulations and banks' investment in complex assets. Complexity improves bank liquidity in good times but heightens vulnerability to runs during crises. Banks underinvest in complex assets when liquidity...

This paper illustrates channels by which regulations that require banks to hold liquid assets can either increase or decrease a bank's incentive to take risk with its remaining ineligible assets. A greater capacity to respond to liquidity stress increases the potential profits a bank would put...