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11.
Yasuhiro Sakai 《Managerial and Decision Economics》1993,14(5):419-432
This paper analyzes the welfare implications of acquiring information for profit-maximizing and labor-managed duopolies. We invent a unified method of exploring the role of information in a two-person game under uncertainty on the basis of comparative static analysis, and then apply the method to both the PMF and the LMF. It is shown that whereas the LMF's behavior is analogous to that of the PMF twin in some circumstances, the former may be entirely different from the latter in others. Because a special status is accorded to labor as a variable factor of production, the informational analysis of the LM economy requires special care for both computations and interpretations. 相似文献
12.
13.
Portfolio optimization using dynamic factor and stochastic volatility: evidence on Fat‐tailed errors and leverage
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The portfolio optimization problem is investigated using a multivariate stochastic volatility model with factor dynamics, fat‐tailed errors and leverage effects. The efficient Markov chain Monte Carlo method is used to estimate model parameters, and the Rao–Blackwellized auxiliary particle filter is used to compute the likelihood and to predict conditional means and covariances. The proposed models are applied to sector indices of the Tokyo Stock Price Index (TOPIX), which consists of 33 stock market indices classified by industrial sectors. The portfolio is dynamically optimized under several expected utilities and two additional static strategies are considered as benchmarks. An extensive empirical study indicates that our proposed dynamic factor model with leverage or fat‐tailed errors significantly improves the predictions of the conditional mean and covariances, as well as various measures of portfolio performance. 相似文献
14.
As past research has considered the major stages of the consumer behavior model separately, it is hardly possible to evaluate the most effective factor over final decision making. Thus, this study has a special significance, as it evaluates every stage, makes a comparison between stages, and puts forward the relationship between them. The discussion of findings is related to the assessment of data collected through a questionnaire survey among Turkish domestic tourists. Study findings have concluded a positive interrelationship among all stages of the consumer behavior model in tourism, and these findings can be regarded as sufficient evidence to support the 10 research hypotheses proposed in the study. In light of these findings, the paper also addresses both theoretical and practical implications. 相似文献
15.
Toyotaka Sakai 《Economic Theory》2008,37(2):347-356
Auction theory usually assumes the quasi-linearity of individual preferences. We drop this assumption and define an extension
of second price mechanisms that applies to general preferences. It turns out that the extended second price mechanisms are
the only rules satisfying efficiency, strategy-proofness, and a mild non-imposition property. Their definition is simple just as much as the definition of usual second price mechanisms:
everyone reports his maximum willingness to pay and the bidder whose reported value is highest buys the auctioned object for
the price equal to the second highest reported value. The characterization is valid if efficiency is replaced by envy-freeness.
I gratefully acknowledge an associate editor and two anonymous referees for their very helpful comments. Hiroki Saitoh and
Shigehiro Serizawa independently obtain a result that is closely related to my main result (see, Remark in Sect. 1). I thank
them for sending me the paper and communication, and Yuji Fujinaka for informing me about their work. I also thank the financial
support by KAKENHI (19310031). 相似文献
16.
Yasuhiro Nakamoto 《Journal of Economics》2009,96(1):41-62
This paper shows that in a model with inelastic labor supply, consumption externalities have impacts on stationary consumption
and capital. The key element in observing the effects of consumption externalities on stationary consumption and capital is
the endogeneity of the time preference rate, which depends on future-oriented resources rather than on private consumption.
We conclude that when individuals experience jealousy, they become more impatient, leading to a lower level of capital stock
and a higher level of consumption relative to those of the social optimum, while when they experience admiration, these relationships
are reversed. We examine an optimal tax policy that replicates the socially optimal path in the centrally planned economy.
Finally, using numerical analysis we explore how this economy evolves through time.
相似文献
17.
In this paper, we evaluate the impact of commodity tax competition on welfare and employment under the destination and origin principles, when the labor market is imperfectly competitive owing to a binding fixed wage. Our main finding is that commodity taxation causes an employment externality whose signs may be opposite under the two principles. While tax competition leads to inefficient tax rates under both principles, we also prove that the origin principle guarantees lower unemployment and higher welfare when the fixed wage is high. Finally, we show that the employment externality still exists in a standard union model of wage determination. 相似文献
18.
Kenshi Taketa Kumi Suzuki-Lffelholz Yasuhiro Arikawa 《Journal of economic behavior & organization》2009,72(1):602-617
Corsetti et al. (2004) demonstrate that the presence of a large speculator in the foreign exchange market makes the remaining traders more aggressive in their speculative attacks. We conduct an experiment designed to test their theoretical predictions and also use the experiment to analyze an additional aspect that has not been previously covered in the literature: namely, whether the entry of a large speculator and the exit of the same speculator have the same effect in magnitude on the probability of a successful speculative attack. We obtain two main findings. First, the results support the main conclusion of Corsetti et al. (2004) that the presence of a large speculator makes other small speculators more aggressive. Second, the results suggest that the effect of the entry of a large speculator on the probability of successful speculative attacks is larger than that of the exit of the same speculator. 相似文献
19.
This study decomposes the momentum factor (MOM) in the commodity futures market. A high-to-price (HTP) factor generates a higher Sharpe ratio than a price-to-high (PTH) factor. We uncover that the profitability mechanisms across three momentum factors are different. The positive returns on MOM and PTH are associated with overconfidence and strong self-attribution. In contrast, HTP is linked to investors' underreaction and the information diffusion process. Moreover, we find that positive demand shocks raise the return on HTP. 相似文献
20.
This paper introduces a general framework for the fair allocation of indivisible objects when each agent can consume at most one (e.g., houses, jobs, queuing positions) and monetary compensations are possible. This framework enables us to deal with identical objects and monotonicity of preferences in ranking objects. We show that the no-envy solution is the only solution satisfying equal treatment of equals, Maskin monotonicity, and a mild continuity property. The same axiomatization holds if the continuity property is replaced by a neutrality property. 相似文献