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4Â¥2015-01-08 20:27:18
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A reduced-form intensity-based model under fuzzy environments ×÷Õß:Wu, L (Wu, Liang)[ 1,2 ] ; Zhuang, YM (Zhuang, Yaming)[ 1 ] COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION ¾í: 22 ÆÚ: 1-3 Ò³: 1169-1177 DOI: 10.1016/j.cnsns.2014.07.021 ³ö°æÄê: MAY 2015 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª The external shocks and internal contagion are the important sources of default events. However, the external shocks and internal contagion effect on the company is not observed, we cannot get the accurate size of the shocks. The information of investors relative to the default process exhibits a certain fuzziness. Therefore, using randomness and fuzziness to study such problems as derivative pricing or default probability has practical needs. But the idea of fuzzifying credit risk models is little exploited, especially in a reduced-form model. This paper proposes a new default intensity model with fuzziness and presents a fuzzy default probability and default loss rate, and puts them into default debt and credit derivative pricing. Finally, the simulation analysis verifies the rationality of the model. Using fuzzy numbers and random analysis one can consider more uncertain sources in the default process of default and investors' subjective judgment on the financial markets in a variety of fuzzy reliability so as to broaden the scope of possible credit spreads. (C) 2014 Elsevier B.V. All rights reserved. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Intensity-based model; Fuzzy environments; Derivative pricing KeyWords Plus:BLACK-SCHOLES FORMULA; EUROPEAN OPTIONS; DEFAULTABLE BONDS; CREDIT-RISK; RATES; SETS ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Wu, L (ͨѶ×÷Õß) Southeast Univ, Sch Econ & Management, Nanjing 211189, Jiangsu, Peoples R China. µØÖ·: [ 1 ] Southeast Univ, Sch Econ & Management, Nanjing 211189, Jiangsu, Peoples R China [ 2 ] Henan Inst Sci & Technol, Sch Math Sci, XinXiang 453003, Henan, Peoples R China µç×ÓÓʼþµØÖ·:nidewuliang@163.com »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ National Natural Science Foundation of China 71171051 Funding of Jiangsu Innovation Program for Graduate Education KYLX_0213 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS Àà±ð / ·ÖÀà Ñо¿·½Ïò:Mathematics; Mechanics; Physics Web of Science Àà±ð:Mathematics, Applied; Mathematics, Interdisciplinary Applications; Mechanics; Physics, Fluids & Plasmas; Physics, Mathematical ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000345700500087 ISSN: 1007-5704 eISSN: 1878-7274 ÆÚ¿¯ÐÅÏ¢ Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: AU6GA Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 19 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

5Â¥2015-01-08 20:29:28
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6Â¥2015-01-08 20:30:23
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7Â¥2015-01-09 14:23:55











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