• Oliver Hart


Liquidity and Inefficient Investment. Oliver Hart, November 2013, Paper. "We study consumer liquidity in a general equilibrium model where the friction is the non-pledgeability of future income. Liquidity helps to overcome the absence of a double coincidence of wants. Consumers over-hoard liquidity and the resulting competitive equilibrium is constrained inefficient. Fiscal policy following a large negative shock can increase ex ante welfare. If the government cannot commit, the ex post optimal fiscal policy will be too small from an ex ante perspective..."  Link verified June 24, 2013