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81.
Hiroshi Ohta 《Review of urban and regional development studies : RURDS : journal of the Applied Regional Conference》2005,17(1):18-34
An economy endowed with a renewable natural resource and physical capital is considered in order to examine the characteristics of possible transformation from natural to man-made capital, as a potential means of surviving over long periods of time if the natural resource may be depleted or fall short of certain sustainable levels. Natural resource together with physical capital is utilized to produce a commodity that is either to be sold in a market to earn sales revenue or invested to accumulate physical capital. The reserve size of resource and the production technology are both subject to uncertainties that are modeled by Wiener processes. The Wiener process is used to express the intrinsic nature of uncertainty for a long planning horizon such as on natural resources, in which distant futures are more difficult to foresee than the near future. It is shown that there exists a steady-state equilibrium in this economy under certainty and that, under some plausible conditions, the expected rate of change in resource harvest over time under uncertainty is less than the rate under certainty, while that of product sales is not affected by uncertainty. 相似文献
82.
Hiroshi Oaku 《The Japanese Economic Review》2002,53(1):114-133
This paper analyses evolutionary models with delays in players’ observations. I apply best response dynamics to symmetric 2 × 2 games, in particular the coordination game and the game with no symmetric pure strategy equilibrium. When the dynamics have no delay, their solutions converge to symmetric Nash equilibria monotonically. However when I introduce delays to the dynamics, although these dynamics represented by differential difference equations are seemingly simple, it shows that they have periodic solutions. JEL Classification Number: C79. 相似文献
83.
Abstract. Observations on Japan's industrial distribution system reveal that many producers maintain both keiretsu and non‐keiretsu channels. An intriguing question then is: what economic rationale underlies such an ambivalent policy? This motivated us to present a model of an incomplete keiretsu system. We find that the collapse of a keiretsu is not necessarily a misfortune for the firms remaining therein: they can turn the situation to their advantage if a keiretsu collapses partially. We show why some firms leave their keiretsu while others remain with it, and determine who the winners are. 相似文献
84.
We will show that the objective function of a constrained least square problem for estimating the term structure of the interest rates discussed in [4] is in fact convex in the feasible region defined by a set of linear constraints. This means that the algorithm developed in [4], which uses a linear or quadratic approximation to the objective function, generates a globally optimal solution of a constrained least square problem. 相似文献
85.
Recent Australian and Japanese second tier public sector performance measurement changes are compared and contrasted. The case analyses are presented within a theoretical structure derived from Hood's depiction of NPM which predicts an increased emphasis on explicit performance reporting. Significant differences and similarities are identified in terms of performance reporting effort and output; motivation for changed performance reporting; role of central agencies; and degree of resultant accountability discharge. NPM is a useful analytical framework and is enhanced by Luder's Contingency Model, epistemic community influence and governance. The explanatory factors identified reinforce views that NPM is a term best used solely in the context of the governmental traditions of each relevant public sector. 相似文献
86.
Abstract. Spatial competition is often probed in terms of spatial oligopoly and/or monopolistic competition in the literature. This paper considers spatial competition as a form of perfect competition, in the sense that the firms are assumed to be price-takers located at the centre of a market area and practising uniform pricing. It shows that under scale economy competitive equilibria can occur, and may actually be observed in the form of international price differentials. Both a very high price and a very low price can yield conditions of competitive equilibrium in spatially or otherwise separate markets. 相似文献
87.
The purpose of this paper is to address a question concerning risk management in continuing, multi-party, contractual, clearing and settlement arrangements through which large-value payments are typically made. We are particularly interested in the issues of incentive compatibility when a third party possesses a private information concerning the riskiness of transfers being made. If a third party possesses private information that would be of value in determining how best to settle a payment, how does the exposure of that party to the settlement risk affect the quality of information that the party chooses to provide? In this paper, we address this question by analyzing a specific class of parametric environments of a schematic, formal, model of a settlement arrangement or a payment network. 相似文献
88.
There is an apparent theoretical discrepancy between the effects of monetary policy shocks on economies with differently competitive banking sectors. We employ cross-country data to investigate this hypothesis with two different approaches. First, using aggregate data we analyze the correlation between two indices: (i) a cumulative impulse response function providing an index of the effect of monetary policy shocks; and (ii) Panzar and Rosse's H-statistic as an index of the state of bank competition. Second, using disaggregated data we regress bank lending on the interaction of bank competition and monetary policy shocks. The first approach does not provide any evidence of a relationship between monetary policy shocks and bank competition. However, the second approach suggests that competition in the banking industry leads to smaller monetary policy effects on bank lending. 相似文献
89.
Hiroshi Yamada 《Empirical Economics》2018,55(4):1413-1423
The filtering method developed by Kim et al. (SIAM Rev 51:339–360, 2009), \(\ell _{1}\) trend filtering, is attractive because it enables us to estimate a continuous piecewise linear trend. This paper introduces a new filtering method closely related to \(\ell _{1}\) trend filtering in order to contribute to the accumulation of knowledge on \(\ell _{1}\) trend filtering. We show that the piecewise linearity, which is the key feature of \(\ell _{1}\) trend filtering, is derived from the new filtering. For this reason, we refer to the filtering as ‘pure’ \(\ell _{1}\) trend filtering. We also demonstrate some other miscellaneous results concerning the new filtering. 相似文献
90.
Najibullah Hassanzoy Shoichi Ito Hiroshi Isoda Yuichiro Amekawa 《Applied economics》2017,49(30):2939-2955
This article examines cointegration and spatial price transmission among Afghan wheat and flour markets as well as their linkages with those of supplier countries and global markets. Unit root tests, consistent momentum threshold autoregressive (M-TAR) models and vector error correction models (asymmetric and symmetric) are employed to achieve research objectives. The results suggest that provincial wheat and flour markets may have a long-run relationship with principal market of Kabul. Afghan wheat and flour markets may also be cointegrated with their respective global, Kazakh and Pakistani markets. While provincial wheat markets might adjust to divergence from their long-run equilibrium with Kabul wheat market, some of the provincial flour markets may not respond to deviation from their long-run equilibrium with Kabul flour market. The speed of adjustment towards the long-run Afghan–Pakistani and Afghan–Kazakh equilibrium may be faster for Afghan flour than wheat markets. The equilibrium adjustment coefficients are generally small and market imperfections may exist, however. A shock in Kabul wheat and flour markets may have long-lasting effect on the respective provincial markets whereas a shock in global wheat and Pakistani, and Kazakh wheat and flour markets might have transitory effect on the corresponding Afghan markets. 相似文献