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31.
Valuing mortgage-related securities is more complicated than valuing regular defaultable claims due to the borrower's prepayment behavior as well as the possibility of default. Some researchers use a structural-form model to obtain the closed-form formulas for the mortgage value. With this method, however, it is difficult to identify the critical region of early exercise. As an alternative, the reduced-form model developed in this article is able to value the mortgage without setting boundary conditions, and it can thereby accurately handle the multidimensional space of correlated state variables. The purpose of this article is to derive a closed-form solution of the mortgage valuation equation under a general reduced-form model that embeds relevant economic variables. This new approach enables portfolio managers to undertake sophisticated portfolio optimization and hedging analyses. An implementation procedure for the model is also provided to demonstrate how the valuation framework can be utilized in practical applications. 相似文献
32.
Min-Hsiao Tsai 《Metrika》2009,70(3):355-367
Consider the problem of discriminating between two rival response surface models and estimating parameters in the identified
model. To construct designs serving for both model discrimination and parameter estimation, the M
γ-optimality criterion, which puts weight γ (0≤γ≤1) for model discrimination and 1 − γ for parameter estimation, is adopted.
The corresponding M
γ-optimal product design is explicitly derived in terms of canonical moments. With the application of the maximin principle
on the M
γ-efficiency of any M
γ'-optimal product design, a criterion-robust optimal product design is proposed. 相似文献
33.
Low‐wage work is of growing significance in the UK. This article tests the model of the low‐skills equilibrium (LSE) through a study of 27 small firms in a sector, food manufacturing, widely identified as being in an LSE. Three hypotheses are tested. (1) There will be a single, fixed equilibrium. We find more variety, reflecting the specific circumstances of firms. (2) An equilibrium is sustained by weak support institutions and a product market dominated by low value‐added goods. The expectation about institutions is supported, but the product market permitted some, albeit weak, opportunities to escape the LSE. (3) Skills will be low, and workplace regimes will be characterised by work intensification. Some firms were developing employee skills. Work intensification was rare, reflecting the absence of Taylorisation and the importance of face‐to‐face relationships. Overall, some firms had the will to escape the LSE, but weak institutional support and a ready supply of labour substantially reduced the incentives to do so. 相似文献
34.
Performance of Foreign and Global Mutual Funds: The Role of Security Selection,Region‐Shifting,and Style‐Shifting Abilities 下载免费PDF全文
We examine the performance of U.S.‐based foreign and global funds after controlling for their regional and style exposure. We show that, on average, the total performance (TP) and security selection abilities of both foreign and global funds are significantly negative and exhibit short‐term predictability. Additionally, R2 reflects funds’ security selection abilities, consistent with previous findings for domestic mutual funds. Investors can earn higher abnormal returns and TP in the short run by purchasing past winners with low R2 than by purchasing past losers with high R2. However, there is no evidence of predictability in the funds' region‐shifting and style‐shifting abilities. 相似文献
35.
Shu-pei Tsai 《Business Horizons》2005,48(5):431
In a bid to combine the two major perspectives (strategic communications and strategic brand management) of Integrated Marketing Communications (IMC), this article proposes a Holistic Consumer Experience Management framework. According to the framework, the key mission of IMC is to effectively manage the mediated impression of and the direct encounter with the brand, so that synergism ensues among all the interrelated elements of IMC, including research and development, manufacturing, price formulation, channel arrangement, consumer service management, marketing message construction, and communication program execution. As such, IMC is capable of enhancing the holistic consumer experience and creating a holistic brand value structure, which can unite the consumer's sensory, emotional, social, and intellectual experiences in a new and positive way. 相似文献
36.
Evans and Jovanovic (1989, Journal of Political Economy
97(4), 808–827) find that wealth is an important determinant of business startups due to liquidity constraints. However, Cressy
(2000, Economic Letters
66, 235–240) argues that if risk aversion is a negative function of wealth, Evans and Jovanovic’s empirical results could be
spurious and the positive effect of wealth could be due to the omission of risk aversion in the regression equation. In other
words, according to Cressy, one’s wealth does not have any effect on business startups once the degree of risk aversion is
accounted for. This paper attempts to investigate the validity of Cressy’s conjecture. We empirically examine the effect of
wealth on the transition into self-employment, while allowing for the effect of risk aversion. Our empirical findings show
that Evans and Jovanovic’s (1989) results are robust, i.e., wealth has a positive effect on business startups even allowing
for the confounding effects of risk aversion. 相似文献
37.
This study integrates three methods for evaluating the interaction and importance of key factors, while mapping the differences between development and maintenance stages during the formation of marketing strategic alliances in the telecommunications industry. A systematic, quantitative, integrated measurement is proposed to evaluate the importance of factors. Moreover, it provides a holistic picture of similarities and differences across stages for establishing marketing strategic alliance relationships. The factors' evaluation results show that the maintenance stage is critical for the relationship as it relates to sustaining the collaboration and can determine whether a marketing strategic alliance will continue or terminate. 相似文献
38.
Wan-Hsiu Sunny Tsai 《Consumption Markets & Culture》2013,16(1):41-62
This study draws on minority consumers’ interpretations of purposefully polysemic commercials to explore political issues in the consumption of advertising, and highlights the sociopolitical role of niche-targeted advertising as a powerful cultural institution in informing and defining identities. The study focusses on how lesbian, gay male, and bisexual consumers make sense of gay-oriented, yet strategically polysemic, gay window commercials. Findings suggest that participants understood these messages through the lens of their unique subcultural sensitivity and in relation to their closeted experience and consciousness of marginalization. The political meanings of niche-targeted advertising are accentuated as these minority consumers negotiate the cultural tensions of their subcultural identity and their struggle between seeking subcultural validation and seeking mainstream assimilation. 相似文献
39.
In the currently rapidly changing business world, innovation has not only become the key to survival and success, but also the defining challenge of organisations. For latecomer firms, however, because of their inherent resource constraints, innovation has become a far more complex undertaking, similar to a multidimensional puzzle. Although there have been an increasing number of practitioner-based surveys, a discrepancy still remains between academia and industry concerning the role and importance of R&D in innovation. Therefore, this study carried out an industry–university–institution survey of Taiwan, based on a multidimensional framework of the innovation puzzle: human, R&D, flow and connection. The results reveal several interesting clues and provide a better understanding of the innovation puzzle for latecomers, and more importantly, resolves the puzzle that could help latecomers identify where new opportunities lie and what weaknesses they must strengthen. 相似文献
40.
This article investigates economic factors and non‐economic factors of individual attitudes toward free‐trade agreements with different countries. Based on the Stolper–Samuelson theorem, highly skilled workers in Taiwan should be more supportive of free trade with China and less supportive of free trade with the United States than should unskilled workers in Taiwan. Using survey data from Taiwan, we find that highly educated people in Taiwan are more supportive of free trade with both the United States and China, and the effects of education are much stronger with respect to free trade with China. We also find that individual risk attitudes, national identity, and ethnicity play important roles in explaining trade preferences. 相似文献