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Hans U. Gerber A.S.A. Ph.D. Elias S.W. Shiu A.S.A. Ph.D. 《North American actuarial journal : NAAJ》2013,17(3):101-107
Abstract We consider two models in which the logarithm of the price of an asset is a shifted compound Poisson process. Explicit results are obtained for prices and optimal exercise strategies of certain perpetual American options on the asset, in particular for the perpetual put option. In the first model in which the jumps of the asset price are upwards, the results are obtained by the martingale approach and the smooth junction condition. In the second model in which the jumps are downwards, we show that the value of the strategy corresponding to a constant option-exercise boundary satisfies a certain renewal equation. Then the optimal exercise strategy is obtained from the continuous junction condition. Furthermore, the same model can be used to price certain reset options. Finally, we show how the classical model of geometric Brownian motion can be obtained as a limit and also how it can be integrated in the two models. 相似文献
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The importance of international trade to the Malaysian economy can hardly be exaggerated. Trade represents a lifeline for the Malaysian economy. Export‐oriented industrialization in the 1990s converted the labor‐surplus economy into a labor‐deficit one and then back to a labor‐surplus one in 2000 and beyond. The incidence of poverty has fallen by half since the early 1980s. Trade has also contributed much to the structural transformation and modernization of the economy. Had Malaysia been a closed economy, Malaysia would have shared the same fate as some other less developed countries that remain economically backward. Its external trade policy has paved the way for greater inflows of foreign direct investment, as foreign direct investors are not so much interested in serving the small domestic market as serving the vast external market. The large inflows of foreign direct investment have conferred positive effects on the domestic economy. This has meant significant improvements in the overall living standards for the Malaysians. Internationalization has provided employment opportunities, thereby raising their living standards through higher and more stable earnings. © 2009 Wiley Periodicals, Inc. 相似文献
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A. Bilimovič W. Vleugels J. Tinbergen A. Mahr O. Weinberger F. Machlup Joh Åkerman R. A. Métall M. St. Braun K. Oberparleiter M. Fanno L. Drescher U. Ricci R. Liefmann W. Prion K. Koranyi F. Hönig W. Fröhlich H. Bayer L. Köppel O. Veit A. M. Knoll W. Kromphardt 《Journal of Economics》1931,2(5):816-859
Ohne ZusammenfassungÜbersetzt von Hans Fried, Wien. 相似文献
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This conceptual paper investigates the process of knowledge transfer in project‐based organizations from the perspective of organizational culture. The paper identifies obstacles to knowledge transfer in project‐based organizations and emphasizes the importance of organizational and project cultures in this process. The study provides some suggestions for improving knowledge transfer in project‐based organizations and notes the implications of the paper for project management. 相似文献
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