Abstract
This paper establishes a dynamic stochastic partial equilibrium model for explaining residential investment dynamics in the United States, focusing on the distinctive cyclical features of residential investment in that it leads the whole economy. This paper is different from the existing literature by adding three new features to the model: news shocks, collateral constraints and agent heterogeneity. The partial equilibrium analysis where interest rates are exogenously fixed shows that these assumptions are essential to generating the dynamic pattern in which residential investment leads consumption and GDP.
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Notes
In Leamer (2007), household investment includes residential investment and consumer durables. The data from National Income and Product Accounts (NIPA) shows that residential investment not only leads gross domestic product more but also has higher volatility than consumer durables.
The data on the mortgage rate is taken from International Monetary Fund (2002). The data on the credit card rate is taken from Gross and Souleles (2002).
The education loans constitute about 50 % of the unsecured loans. These statistics are taken from Aizcorbe et al. (2003) computing these numbers with the data of Survey of Consumer Finance (SCF, 2001).
It is the service flow of the housing capital that contributes to personal utility. However, given the two assumptions of Cob-Douglas home production and CES utility function, we can transform the utility function into the form specified in utility function. For example, suppose that the utility function satisfies
$$ \mathcal{U}(c,c_h)=(1-\kappa_h^\prime)\ln c+\kappa_h^\prime\ln c_h, $$where c h is the service flow from the housing capital. Assume that the household production function satisfies Cob-Douglas form:\(c_h=h^{\alpha_h}\). Then by putting this home production function back into the above equation, we can obtain the CES utility function specified by Eq. 1.
The value of the capital tax rate is taken from Gomme and Rupert (2007).
0 is the unconditional mean of z in this paper.
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Acknowledgements
Ren’s research is partially supported by the Natural Science Foundation of Fujian Province of China (No. 2011J01384) and the Natural Science Foundation of China (# 71131008 and # 70971113). Yuan’s reserach is supported by the Natural Science Foundation of China (# 71203189). We are particularly indebted to Paul Klein, Karen Kopecky and John Whalley for their comments. We are also grateful to Jim MacGee, Elizabeth Caucutt, Hiroyuki Kasahara, James Davies, John Tsoukalas, Yi Wen , Xiaodong Zhu and Ying Shang.
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Appendix
Appendix
A. Data
This section describes all the data used in this paper.
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1.
Gross domestic product, BEA, NIPA table 1.1.5, line 1
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2.
Personal consumption expenditures, BEA, NIPA table 1.1.5, line 2
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3.
Gross private domestic investment, BEA, NIPA table 1.1.5, line 7
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4.
Government consumption expenditure and gross investment, BEA, NIPA table 1.1.5, line 21
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5.
Residential investment, BEA, NIPA table 1.1.5, line 21, line 12
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6.
Imputed rentals of self-owned houses, BEA, NIPA table 2.5.5, line 21
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7.
Consumer price index, BEA, NIPA table 1.1.4, line 2
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8.
Aggregate house values, BEA, NIPA table 2.1, line 60
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9.
Mortgage rates, contract interest rates on commitments for fixed-rate first mortgages (30 years), Board of Governors of the Federal Reserve System
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10.
Nominal output = 1 − 3 + 5 − 4 − 6. The output consists of the consumption and the residential investment but not business investment. Because the model we use is an endowment economy, we do not consider the business investment. Hence, we exclude the business investment from the subjects of research and similarly government expenditures.
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11.
Nominal consumption = 2–6. The consumption is composed of non-durable goods, durable goods and services. To be consistent with the model, we subtract the imputed rentals of self-owned houses from the consumption.
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12.
The ratio of residential investment to personal consumption expenditure = the mean of 5/11
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13.
The ratio of residential investment to the aggregate house values = the mean of 5/8
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14.
The ratio of aggregate house values to nominal output = the mean of 8/10
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15.
Real output = 10/7
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16.
Real consumption expenditure = 11/7
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17.
Real residential investment = 5/7
All the real data are detrended with the Hodrick–Prescott filter.
B. Discretizing Two-Dimensional AR(1) Process
We extend the application of the method proposed by Tauchen (1986) from one-dimensional AR(1) process into the following two-dimensional AR(1) process defined by the following
where z is the current productivity, s is the current signal and z ′ denotes the next-period productivity. The disturbances (ν,η) are i.i.d processes and satisfy the following conditions:
where Π is defined by:
Following Tauchen (1986), we assume the members of \(\mathcal{Z}\) evenly-spaced and denoted as \(\mathcal{Z}=\{z_1,z_2,\dots,z_{n-1},z_n\}\) which satisfies
The upper and the lower bounds on the range, z 1 and z n , respectively, are set to m unconditional standard deviations on each side of 0.Footnote 6 Therefore, z 1 and z n satisfy the following
and
We also assume the signals \(s\in\mathcal{S}=\mathcal{Z}\). If we define the state composed of the current productivity and the signal, i.e. (z,s), the probability transition matrix is determined as follows.
Let ω = z i − z i − 1 (i > 1). Given (z,s), the probability of z ′ satisfies the following.
If 1 < i < n,
If i = 1,
If i = n,
where Φ(·) denotes the cumulated distribution function of standard normal distribution. Also, we know that given z ′, the probability of s ′ satisfies the following:
If 1 < j < n,
If j = 1,
If j = n,
Then the transition probability is defined by
C. Parameters of Income Process
This appendix displays the parameters of the processes of the individual income. The set of states for the individual income process (normalized to 1) is given by
And the transition matrix Ω is given by
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Ren, Y., Yuan, Y. Why the Housing Sector Leads the Whole Economy: The Importance of Collateral Constraints and News Shocks. J Real Estate Finan Econ 48, 323–341 (2014). https://doi.org/10.1007/s11146-012-9389-5
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DOI: https://doi.org/10.1007/s11146-012-9389-5