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81.
Ralf Zeppernick 《Intereconomics》1999,34(6):279-285
The implications of the introduction of the euro undoubtedly reach far beyond Europe. How will the rest of the world be affected? What role will the euro play as an international trading, investment and reserve currency? Will it be able to function as a stabilising element in the international monetary system? 相似文献
82.
Many of today's fish stocks are officially managed following the precautionary approach. Yet, different political objectives and uncertainties among fishermen about their economic future make its implementation difficult. Over 75% of all commercially valuable stocks are exploited, overused, or collapsed and in a state of recovery [FAO, 2004. The state of the world fisheries and aquaculture. FAO, Rome. Managing fish stocks with an ecosystem-based approach is likely to stop the divestment of natural capital by combining sustainable use strategies with the preservation of marine ecosystems. Using the example of the Baltic Sea cod fishery, we show that a recovery program is economically and ecologically viable and reduces negative externalities. While policy makers must assist fishermen during the early years of the program, fishermen will experience greater landings and profits in subsequent years. 相似文献
83.
Dynamic Hedging Effectiveness in South Korean Index Futures and the Impact of the Asian Financial Crisis 总被引:1,自引:0,他引:1
This paper focuses on the impact of the 1997 Asian financial market crisis upon hedging effectiveness within the KOSPI 200 stock index and index futures markets. The paper utilizes the inter-temporal relationship between the two markets to examine the characteristics of several minimum variance hedge ratios. It also examines the performances of alternative hedging strategies for dynamic portfolio management in the presence of cointegrated time-varying risks. The results show a decline in the persistence of conditional volatility within market prices after the crisis. This decline leads to the relative performance of utilizing constant hedge ratios to increase, though not significantly so to guarantee a superior performance over more sophisticated time-varying hedge ratio strategies. 相似文献
84.
In continuous time, we study a financial market which is free of arbitrage opportunities but incomplete under the physical
probability measure P. Thus one has several choices of equivalent martingale measures. In the present paper, the (unique) martingale measure P
* is studied which is defined by the concept of the numeraire portfolio. The choice of P
* can be justified by a change of numeraire in place of a change of measure.
Mathematics Subject Classification (2000): 90A09, 91B28, 91B62, 93E20, 62P05
Journal of Economic Literature Classification: G10, G12, G13 相似文献
85.
In this study a regime-switching approach is applied to estimate the chartist and fundamentalist (c&f) exchange rate model originally proposed by Frankel and Froot (1986). The c&f model is tested against alternative regime-switching specifications applying likelihood ratio tests. Nested atheoretical models like the popular segmented trends model suggested by Engel and Hamilton (1990) are rejected in favour of the multi-agent model. Our findings turned out to be relatively robust when assessing the models sub-sample estimates and out-of-sample performance.JEL Classification:
F31, F37, G12, G15
Correspondence to: S. Reitz 相似文献
86.
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89.
This paper contributes to our understanding of the informational content of implied volatility. Here we examine whether the S&P 500 implied volatility index (VIX) contains any information relevant to future volatility beyond that available from model based volatility forecasts. It is argued that this approach differs from the traditional forecast encompassing approach used in earlier studies. The findings indicate that the VIX index does not contain any such additional information relevant for forecasting volatility. 相似文献
90.
Ralf Peters 《Group Decision and Negotiation》2000,9(4):315-324
Biologically motivated concepts of evolutionary stability, like the ESS, consider robustness against tiny invasions of mutants. This paper considers larger invasions and proposes an extended stability calculus. The new concept is applied to the ultimatum game and gives an evolutionary explanation for the emergence of egalitarian, "fair" behaviour. 相似文献