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http://ssrn.com/abstract=1652945
 
 

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Housing and Debt Over the Life Cycle and Over the Business Cycle


Matteo M. Iacoviello


Federal Reserve Board - Trade and Financial Studies

Marina Pavan


affiliation not provided to SSRN

November 2, 2009

FRB of Boston Working Paper No. 09-12

Abstract:     
This paper describes an equilibrium life-cycle model of housing where non-convex adjustment costs lead households to adjust their housing choice infrequently and by large amounts when they do so. In the cross-sectional dimension, the model matches the wealth distribution; the age profiles of consumption, home-ownership, and mortgage debt; and data on the frequency of housing adjustment. In the time-series dimension, the model accounts for the pro-cyclicality and volatility of housing investment, and for the pro-cyclical behavior of household debt. The authors use a calibrated version of their model to ask the following question: what are the consequences for aggregate volatility of an increase in household income and a decrease in down-payment requirements? They distinguish between an early period, the 1950s though the 1970s, when household income risk was relatively small and loan-to-value ratios were low, and a late period, the 1980s through today, with high household income risk and high loan-to-value ratios. In the early period, precautionary saving is small, wealth-poor people are close to their maximum borrowing limit, and housing investment, home-ownership, and household debt closely track aggregate productivity. In the late period, precautionary saving is larger, wealth-poor people borrow less than the maximum and become more cautious in response to aggregate shocks. As a consequence, the correlation between debt and economic activity on the one hand, and the sensitivity of housing investment to aggregate shocks on the other, are lower, as found in the data. Quantitatively, this model can explain: (1) 45 percent of the reduction in the volatility of household investment; (2) the decline in the correlation between household debt and economic activity; and (3) about 10 percent of the reduction in the volatility of GDP.

Number of Pages in PDF File: 47

JEL Classification: E22, E32, E44, E51, D92, R21

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Date posted: August 5, 2010  

Suggested Citation

Iacoviello, Matteo M. and Pavan, Marina, Housing and Debt Over the Life Cycle and Over the Business Cycle (November 2, 2009). FRB of Boston Working Paper No. 09-12. Available at SSRN: http://ssrn.com/abstract=1652945 or http://dx.doi.org/10.2139/ssrn.1652945

Contact Information

Matteo M. Iacoviello (Contact Author)
Federal Reserve Board - Trade and Financial Studies ( email )
20th St. and Constitution Ave.
Washington, DC 20551
United States
Marina Pavan
affiliation not provided to SSRN ( email )
Feedback to SSRN


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