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Author: Sanford J. Grossman Publisher: ISBN: Category : Assets (Accounting) Languages : en Pages : 76
Book Description
We analyze a model of optimal consumption and portfolio selection in which consumption services are generated by holding a durable good. The durable good is illiquid in that a transaction cost must be paid when the good is sold. It is shown that optimal consumption is not a smooth function of wealth; it is optimal for the consumer to wait until a large change in wealth occurs before adjusting his consumption. As a consequence, the consumption based capital asset pricing model fails to hold. Nevertheless, it is shown that the standard, one factor, market portfolio based capital asset pricing model does hold in this environment. It is shown that the optimal durable level is characterized by three numbers (not random variables), say x, y, and z (where x
Author: Sanford J. Grossman Publisher: ISBN: Category : Assets (Accounting) Languages : en Pages : 76
Book Description
We analyze a model of optimal consumption and portfolio selection in which consumption services are generated by holding a durable good. The durable good is illiquid in that a transaction cost must be paid when the good is sold. It is shown that optimal consumption is not a smooth function of wealth; it is optimal for the consumer to wait until a large change in wealth occurs before adjusting his consumption. As a consequence, the consumption based capital asset pricing model fails to hold. Nevertheless, it is shown that the standard, one factor, market portfolio based capital asset pricing model does hold in this environment. It is shown that the optimal durable level is characterized by three numbers (not random variables), say x, y, and z (where x
Author: Sanford J. Grossman Publisher: ISBN: Category : Languages : en Pages : 59
Book Description
We analyze a model of optimal consumption and portfolio selection in which consumption services are generated by holding a durable good. The durable good is illiquid in that a transaction cost must be paid when the good is sold. It is shown that optimal consumption is not a smooth function of wealth; it is optimal for the consumer to wait until a large change in wealth occurs before adjusting his consumption. As a consequence, the consumption based capital asset pricing model fails to hold. Nevertheless, it is shown that the standard, one factor, market portfolio based capital asset pricing model does hold in this environment. It is shown that the optimal durable level is characterized by three numbers (not random variables), say x, y, and z (where x lt; y lt; z). The consumer views the ratio of consumption to wealth (c/W) as his state variable. If this ratio is between x and z, then he does not sell the durable. If c/W is less than x or greater than z, then he sells his durable and buys a new durable of size S so that S/W = y. Thus y is his quot;targetquot; level of c/W. If the stock market moves up enough so that c/W falls below x, then he sells his small durable to buy a larger durable. However, there will be many changes in the value of his wealth for which c/W stays between x and z, and thus consumption does not change. Numerical simulations show that small transactions costs can make consumption changes occur very infrequently. Further, the effect of transactions costs on the demand for risky assets is substantial.
Author: Robert F. Sarama Publisher: ISBN: Category : Languages : en Pages : 111
Book Description
The second essay, "Non-durable Consumption Volatility and Illiquid Assets," finds that factors beyond the volatility of asset payoffs may significantly affect the volatility of the agent's consumption stream. The empirical failure of consumption-based asset pricing models is often attributed to the lack of volatility in aggregate measures of consumption. However, I illustrate in this paper that frictions faced by agents may lead to much higher levels of volatility in individual consumption than we observe in the aggregate data. I develop a life-cycle model of in which the consumer derives utility from non-durable consumption and stock in a risky asset: housing. Non-convex adjustment costs generate lumpy changes in the stock of the risky asset over the life-cycle. The model predicts that non-durable consumption volatility is increasing in both the ability to borrow against the assets held in the consumer's portfolio and in the illiquidity of the portfolio.
Author: Stephan Siegel Publisher: ISBN: Category : Languages : en Pages : 51
Book Description
In this paper, we investigate the implications of non-separable preferences over durable and nondurable consumption for asset pricing tests when adjusting durable consumption is costly. In an economy without adjustment costs, in which a frictionless rental market exists for the durable good, the standard Euler equation with respect to nondurable consumption will hold for each individual agent as well as for aggregate data. If the adjustment of the durable good is costly, however, aggregation generally fails. We use aggregate data to find substantial deviations from the frictionless model, consistent with the presence of non-convex adjustment costs for the durable good. We also show how empirical asset pricing tests that use aggregate data can be affected by these deviations. We then propose and implement asset pricing tests that are robust to the presence of adjustment costs by relying on microeconomic data. Using household-level observations of nondurable food and durable housing consumption, our estimation results suggest that preferences are indeed non-separable in the two consumption goods and that reasonable structural parameters characterize agents' intertemporal utility optimizations.
Author: Jaroslaw Morawski Publisher: Springer Science & Business Media ISBN: 3834999555 Category : Business & Economics Languages : en Pages : 467
Book Description
Jaroslaw Morawski offers a practicable and theoretically well-founded solution to the problems encountered when investing in illiquid assets and develops a model of the liquidation process for this category of investments. The result is a coherent investment decision framework designed specifically for private real estate but applicable also to other illiquid assets.
Author: Nancy L. Stokey Publisher: Princeton University Press ISBN: 0691135053 Category : Business & Economics Languages : en Pages : 321
Book Description
In The Economics of Inaction, leading economist Nancy Stokey shows how the tools of stochastic control can be applied to dynamic problems of decision making under uncertainty when fixed costs are present. Stokey provides a self-contained, rigorous, and clear treatment of two types of models, impulse and instantaneous control. She presents the relevant results about Brownian motion and other diffusion processes, develops methods for analyzing each type of problem, and discusses applications to price setting, investment, and durable goods purchases."--Pub. desc.
Author: Sanford J. Grossman
Author: Sanford J. Grossman
Author: Sanford J. Grossman
Author: 
Author: Sanford J. GROSSMAN
Author: Robert F. Sarama
Author: Stephan Siegel
Author: Stephan Siegel
Author: Jaroslaw Morawski
Author: Nancy L. Stokey
Author: Martin Shubik