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61.
We perform a stability analysis for the utility maximization problem in a general semimartingale model where both liquid and illiquid assets (random endowments) are present. Small misspecifications of preferences (as modeled via expected utility), as well as views of the world or the market model (as modeled via subjective probabilities) are considered. Simple sufficient conditions are given for the problem to be well posed, in the sense that the optimal wealth and the marginal utility‐based prices are continuous functionals of preferences and probabilistic views. 相似文献
62.
Rokas Bancevičius 《Empirica》2011,38(4):461-480
All of the new EU member states (NMSs) have made a commitment to adopt the Euro. This essay considers the countries’ economic
readiness to adopt the Euro as well as the economic benefits and costs of adoption. Paper applies a method suggested by Bayoumi
and Eichengreen (1997) and finds that the changes of real effective exchange rates between the Euro area and the new EU member states follow the
pattern predicted by the optimum currency area theory. This finding allows the construction of the readiness for adoption
index for every NMS. The tangible benefits (for NMSs) of adoption are also examined in this essay. Analyses suggest that the
costs of currency exchange and hedging against the uncertainty in foreign exchange markets account for about 0.08–0.012% of
the countries’ GDP. In addition, countries that adopt the Euro might expect lower inflation and interest rates. This essay
also examines the possible costs of adoption. These are in the forms of the lost ability to use monetary policy tools and
set the level of seigniorage. Analysis suggests that many countries had given up their independence over monetary policy even
before the accession to the EU. In addition, bigger NMSs have not used seigniorage as the source of fiscal income. However,
they used exchange rate flexibility to depreciate their currencies during the recent crisis. 相似文献
63.
64.
Vladimir Kontorovich 《Economics of Planning》1990,23(1):37-50
Growth rates of output and factor productivity in Soviet industry fluctuate around a long-term downward trend. These fluctuations can be partially explained by fluctuations in the growth of services of capital. The capacity utilization rate is taken as a proxy for the extent of utilization of capital stock. Variations in the capacity utilization rate explain a significant part of the changes in the rate of growth of total factor productivity between 1970–1983. Declines in the capacity utilization rate are caused by errors in the allocation of investment, which create an imbalance of capacities between raw-materials and manufacturing sectors.Useful suggestions by Emil Bej, Robert Cambell, Richard Harmstone, Kenneth Gray, and Josef Brada are grateful acknowledged 相似文献
65.
介绍复杂设备采用失效分析新方法(FMEA),找出可能发生的潜在失效原因,减少或消除失效风险,提高设备可靠性,并以有轨电车为例来说明。 相似文献
66.
In this work we consider the case when efficient operation of individual economic units does not necessarily imply efficiency for a group of these units. Merging theoretical findings of Li and Ng (Int Adv Econ Res, 1995, 1, 377.) and Färe and Zelenyuk (Eur J Oper Res, 2003, 146, 615), we develop new group-wise efficiency indexes that measure the extent to which the performance of a group of economic units can be enhanced, even if all these units are individually efficient. The existence of such potential improvement is attributed to non-optimal allocation of inputs across the individual economic units from the point of view of a group of these units. 相似文献
67.
What is the impact of financial sector segments at different stages of development? We apply a production function approach to investigate the impact of the credit, bond and stock segments in nine EU-accession countries over early years of transition (1996–2000) and compare these to mature market economies and to countries at intermediate stage. We find that the transfer mechanisms differ over the development cycle (from bond markets to educational attainment to labor participation) and that financial market segments with links to the public sector (but not stock markets) contributed to stability and growth in transition economies. 相似文献
68.
Testing for Bubbles in Housing Markets: A Panel Data Approach 总被引:3,自引:0,他引:3
We employ recently developed cross-sectionally robust panel data tests for unit roots and cointegration to find whether house prices reflect house related earnings. We use U.S. data for Metropolitan
Statistical Areas, with house price measured by the weighted-repeated-sales index and cash-flows by market tenants’ rents.
In our full sample period, an error-correction model is not appropriate, i.e. there is a bubble. We then combine overlapping
10-year periods, price–rent ratios, and the panel data tests to construct a bubble indicator. The indicator is high for the
late 1980s, early 1990s and since the late 1990s. Finally, evidence based on panel data Granger causality tests suggests that
house price changes are helpful in predicting changes in rents and vice versa.
CERGE-EI is a joint workplace of the Center for Economic Research and Graduate Education, Charles University, and the Economics
Institute of the Academy of Sciences of the Czech Republic. 相似文献
69.
The authors explore the application of viral marketing in the food industry in Canada (as a representative of a high-income country) vs. Serbia (a middle-income country). A theoretical background on the scope of viral marketing is given at the beginning. The initial secondary research pointed out that there was a great number of viral marketing campaigns in the food industry, in both high- and middle-income countries. The primary research showed a high degree of use of viral marketing in the food industry in general, as well as a number of similarities between the two countries. Positive experiences with viral marketing in the food industry were far more common than negative experiences. Most marketing professionals, in both countries, believed that a viral marketing program would benefit their company, and they planned to run a viral marketing campaign again in the future. 相似文献
70.
The two main explanations for the crisis in the commercial paper (CP) market are credit concerns and liquidity issues. The CP market is not homogeneous in terms of credit quality, maturities and types of issues. We find that lower credit‐quality CP suffered more during the crisis. Additionally, we find little evidence that Federal Reserve (Fed) liquidity facilities reduced the impact of the crisis, but that when the Fed became a lender in the CP market, the crisis pressures were dramatically reduced. We conclude that the crisis in the money markets is related more to increases in credit risk. Liquidity is a secondary issue. 相似文献