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Abstract. When speculation causes share prices to fluctuate, even the best speculators may do 'hardly better than the comprehensive common-stock averages' (Samuelson). We further demonstrate in this paper that non-speculators can indeed benefit, in terms of both utility and wealth, from speculative price fluctuations by choosing their portfolio optimally. In particular, we show both how much and how fast non-speculators' wealth can accumulate, presumably at speculators' expenses, over periods of price fluctuations. We also show a seemingly paradoxical outcome where a rational individual would rejoice more when stock prices fall than when they rise by the same (absolute) amounts. 相似文献
23.
Piyush Tiwari & Hiroshi Hasegawa 《Review of urban and regional development studies : RURDS : journal of the Applied Regional Conference》2000,12(1):54-73
This paper reports on the estimation of housing demand for tenants in Tokyo Metropolitan Region using household level data for 1993. The results indicate that the rental housing demand is inelastic with respect to permanent income and price, with coefficients as 0.31 and -0.093 respectively. Other important variables, which determine housing demand for tenants are length of stay and type of household. Larger households demand more housing. However, keeping the size of household constant, households with elderly members have higher demand for housing. The only exception to the rule is households formed with members not belonging to same nucleus family demand less housing. 相似文献
24.
EXISTENCE OF A NONNEGATIVE EQUILIBRIUM PRICE VECTOR IN THE MEAN-VARIANCE CAPITAL MARKET 总被引:5,自引:0,他引:5
We derive a necessary and sufficient condition for the existence of a nonnegative equilibrium price vector under which the total demand and supply of each asset balances in the standard mean-variance capital market. Also, we give an explicit formula for such a price vector. This formula shows that the price of assets is an increasing function of , the weighted average of the requested rate of return of individual investors, which tends to infinity as approaches the expected rate of return on the market portfolio. Further, we construct a macroeconomic index which gives information about the soundness of the capital market. 相似文献
25.
Hiroshi Ohashi 《Economics of Innovation and New Technology》2013,22(2):179-197
This paper conducts an empirical analysis on the U.S. VCR market using a hedonic approach. The paper finds that quality-adjusted price indices decline at 11-12% per year, with a large annual drop of about 18% from 1982-85. Estimation and data analysis reveal interesting aspects of the evolution of quality and price in the VCR market. As a result of the exclusion of the VCR category until 1986, the paper estimates a bias of 2.4% per year in the CPI electronics subindex. 相似文献
26.
This paper examines US safeguards applied to the motorcycle market in the 1980s. After receiving temporary protection by means of a maximum tariff of over 45%, Harley-Davidson sales recovered dramatically. Simulations, based on structural demand and supply estimates, indicate that while safeguard tariffs did benefit Harley-Davidson, they only account for a fraction of its increased sales. This is primarily because consumers perceived that Harley-Davidson and Japanese large motorcycles were poorly matched substitutes for each other. Our results provide little evidence that safeguard provisions triggered restructuring in Harley-Davidson. 相似文献
27.
This paper uses the dual approach to growth accounting to examine the role of total factor productivity (TFP) in recent Chinese growth. Most previous growth accounting studies on China have followed the primal approach, which depends heavily on the national income accounts. Unfortunately, despite efforts to rectify them, Chinese national income accounts data continue to have problems that affect primal approach growth accounting results. The dual approach, in contrast, allows independent price information to play a role. Recent research has focused on the following two questions: (i) How significant has TFP's role been in post‐reform Chinese growth? (ii) Has TFP growth rate slowed down in more recent years? This paper finds that: (i) the TFP growth rate for mainland China computed using the dual approach also proves high; and (ii) there has been some slowdown in TFP growth rate in recent years. 相似文献
28.
Hiroshi Ohashi 《Review of Industrial Organization》2009,34(3):267-285
This paper examines the effect of improved transparency in the bidder qualification process, using the experience gained from
a case study of municipal public works auctions. A difference-in-differences analysis reveals that improved transparency reduces
procurement cost by up to 8%. This finding is robust with regard to the concerns of both endogeneity and sample selectivity.
The bidding-function estimates, combined with features of Japanese procurement system, imply that the introduction of transparent
practices is insufficient to bring about efficiency in public procurement.
相似文献
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In this paper we develop a portfolio selection theory under regime switching means and volatilities. We use log mean-variance as the portfolio selection criteria and, as a result, the theory is made substantially easier to implement than other existing theories. Moreover, the estimated regimes are easy to interpret as one of the regimes corresponds to the business cycle turning points. Finally, we conduct an asset allocation simulation and obtain reasonable results by introducing an idea of switching volatility targets. 相似文献