Credit constraints that link a private agent's debt to market-determined prices embody a systemic credit externality that drives a wedge between competitive and (constrained) socially optimal equilibria, which induces private agents to ``overborrow". We quantify the effects of this externality...

Credit constraints that link a private agent's debt to market-determined prices embody a systemic credit externality that drives a wedge between competitive and (constrained) socially optimal equilibria, which induces private agents to ``overborrow". We quantify the effects of this externality...