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91.
We perform out-of-sample predictions on several dollar exchange rate returns by using time-delay embedding techniques and a local linear predictor. We compared our predictions with those by a mean value predictor. Some of our predictions of the exchange rate returns outperform the predictions of the same series by the mean value predictor. However, these improvements were not statistically significant. Another interesting result in this paper which was obtained by using a recently developed technique of nonlinear dynamics is that all exchange rate return series we tested have a very high embedding dimension. Additionally, evidence indicates that these series are likely generated by high dimensional systems with measurement noise or by high dimensional nonlinear stochastic systems, that is, nonlinear deterministic systems with dynamic noise. 相似文献
92.
This paper reviews and interprets some of the key policy implications that flow from a class of DSGE models for optimal monetary policy in the open economy. The framework suggests that good macroeconomic outcomes in open economies are possible by focusing inflation targeting that is implemented by a Taylor type rule, a rule that in equilibrium is reflected in the exchange rate as an asset price. Optimal monetary policy will not be able deliver a stationary (‘stable’) nominal exchange rate – let alone a fixed exchange rate or one that remains inside a target zone – because, absent a commitment device, optimal monetary can’t deliver a stationary domestic price level. Another feature in the data for inflation targeting countries that is consistent with monetary policy via Taylor type rule is that it will tend push the nominal exchange rate in the opposite direction from PPP in response to an ‘inflation’ shock—the ‘bad news god news’ result of Clarida and Waldman (2008. Is Bad News about Inflation Good News for the Exchange Rate. In: John Campbell, (Ed.), Asset Prices and Monetary Policy, Chicago: University of Chicago Press), Clarida and Waldman (2014. Bad News About Inflation is Good News for the Nominal Exchange Rate Under Optimal Monetary Policy: DSGE Theory and a Decade of Empirical Evidence). This is so even though in the long run of these models the nominal exchange rate must in expectation obey PPP. 相似文献
93.
通过构建一个包含住房租赁市场的封闭、单中心城市一般均衡模型,模型化了住房自有率与城市蔓延之间的关系,理论模型结论显示:首先,与自有住房者相比,租房者倾向于居住在离市中心较近的地方;其次,住房自有率的提高会使城市空间面积扩大,加剧城市蔓延。进一步,利用地级市数据分别对理论命题结论进行了检验,在比较充分地控制内生性问题后,实证结果证实了高住房自有率会加剧城市蔓延。因此,长期以来我国不断升高的住房自有率也是加剧我国城市蔓延的重要原因。 相似文献
94.
95.
对国外学者关于环境税收问题研究的新成果进行综述。诠释最优环境税定义及探寻不同条件假设下最优环境税率的确定,从一般均衡的视角考察环境质量对劳动供给决策的影响,探讨税收相互作用的效应和分析学者重点研究的双重红利及其存在条件。最后根据发达国家环境税政策运行的经验,分析将环境税作为环境管制措施引入发展中国家的可行性。 相似文献
96.
We describe a financial market as a noncooperative game in strategic form. Agents may borrow or deposit money at a central bank and use the cash available to them in order to purchase a commodity for immediate consumption. They derive positive utility from consumption and from having cash reserves at the end of the day, whereas being bankrupt entails negative utility. The bank fixes interest rates. The existence of Nash equilibria (both mixed and pure) of the ensuing game is proved under various assumptions. In particular, no agent is bankrupt at equilibrium. Asymptotic behavior of replica markets is discussed, and it is shown that given appropriate assumptions, the difference between a strategic player and a price taker is negligible in a large economy. 相似文献
97.
Rafael R. Rebitzky 《Journal of economic surveys》2010,24(4):680-704
Abstract As we survey the literature of macroeconomic news in the foreign exchange market, we can by now look back on nearly 30 years of research. The first studies which analysed news effects on exchange rates were established in the early 1990s (see, for example, Dornbusch). Almost at the same time Meese and Rogoff published their influential paper, revealing the forecasting inferiority in exchange rates of structural models against the random walk. This finding has shocked the pillars of exchange rate economics and thus cast general suspicion on research focusing on fundamentals in this field. The eventual rising popularity of event studies can partly be attributed to the re‐establishment of the raison d’être of exchange rate economics. This work focuses on systematically surveying this literature with particular respect to its primary goal, i.e. shedding light on the analytical value of fundamental research. Thus, its major findings are, first, fundamental news does matter, whereas non‐fundamental news matters to a lesser degree. Second, news influences exchange rates via two separated channels, i.e. incorporating common information into prices directly or indirectly based upon order flow. Third, with a few exceptions the impact of fundamental news on exchange rates is fairly stable over time. 相似文献
98.
任何一国主权信用货币在国际化过程中都会面临特里芬难题,而人民币国际化中的特里芬难题有其特殊性,如何破解这一难题值得我们深入考虑。文章从分析中国投资驱动、出口导向的增长模式入手,提出中国应尽快打破经济僵局和转变增长方式,让利率和汇率回归常态。更进一步地,文章认为中国应继续完善人民币的国际货币发行机制,同时较为稳步的推进资本项目可兑换。 相似文献
99.
Hendershott Patric H. Ward Charles W. R. 《The Journal of Real Estate Finance and Economics》2003,26(2-3):223-240
We consider retail leases with landlord overages options, with tenant renewal options, with both and with neither. We illustrate how the ratio of initial expected sales to the sales threshold can be manipulated to equate the value of the landlord overage options to that of the tenant renewal option at the same initial rent. Not only are the values equal, but the cumulative distributions of potential IRRs on the two leases are nearly identical, suggesting that these leases are equally attractive to risk-averse investors and thus that the same risky discount rate can be used in valuing the leases. In contrast, the appropriate risky discount rate for the overage lease is calculated to be 75–160 basis points greater than that for the renewal lease. 相似文献
100.
本文主要研究的是在随机利率下保费收入为复合Poisson-Geometric过程的风险模型,在随机利率为levy过程的情况下,得到了破产概率满足的积分方程,以及得到最终破产概率的上下界所满足的积分不等式,以此作为保险公司经营的预警信号更具有现实意义。 相似文献