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α: calibrated so average coauthorship-adjusted count equals average raw count
This paper uses the framework of an OLG economy with three-period lived agents in which a durable good serves as collateral for loans, to study the effect of an unanticipated income shock when the economy is in a steady state equilibrium. We focus on the consequence of default on loans when the value of the collateral falls below the value of the debt it secures. We analyze the impulse response functions of the price and production of the durable good and show that there is an asymmetry between the response of the price and investment of the durable good to a positive and a negative income shock arising from default on the collateralized loans. We show that this asymmetry can be seen in the data on housing prices and construction and is attributable to the default on mortgages in periods of decreasing prices which acts as a turbo mechanism magnifying the decline in investment.