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131.
Iliya Markov Rodrigue Oeuvray Nils S. Tuchschmid 《Financial Markets and Portfolio Management》2013,27(1):101-124
The problem we address here is the replication of a bond benchmark when only a fraction of the portfolio is invested for the replication. Our methodology is based on a minimization of the tracking error subject to a set of constraints, namely (1) the fraction invested for the replication, (2) a no-short-selling constraint, and (3) a null-active-duration constraint, the last of which may be relaxed. The constraints can also be adapted to accommodate the use of interest rate and bond futures. Our main contribution, however, is our derivative-free approach to replication, which should prove very useful for managing assets when the use of derivatives is prohibited, for instance, by certain investors. We can, thus, still benefit from replicating a traditional investment in a bond index with a fraction of the portfolio according to our risk appetite. The rest of the portfolio can be invested in alpha-portable strategies. An analysis without the use of derivatives over the period from January 1, 2008 to October 3, 2011 shows that with 70–90 % invested for the replication, the annualized ex-ante tracking error can range from 0.41 to 0.07 %. We use principal component analysis to extract the main drivers of the size of the tracking error, namely, the volatility of and the differential between the yields in the objective function’s covariance matrix of spot rates. These results highlight our contribution of a generic and intuitive yet robust approach to bond index replication. 相似文献
132.
The aim of this study is to identify the economic and socio-economic factors influencing Irish households' expenditure on quick-service meals, a particularly dynamic component of the foodservice industry, and to determine the extent to which these factors have changed over the course of the 1990s. Maximum likelihood estimation and semiparametric alternatives are considered with the conclusion that in this instance semiparametric techniques do not offer a viable alternative to maximum likelihood estimation of tobit models, even in the presence of heteroscedasticity and non-normality. The results revel that household income, place of residence, commuters and household size have significant and positive influences on quick-service expenditure. Older families, single households and married couples, together with homeowners, display reduced expenditure. The opportunity cost of time is positively related to quick-service expenditure, consistent with theory, while health knowledge has a negative impact on quick-service consumption. 相似文献
133.
Torsten Biemann Nils Braakmann 《International Journal of Human Resource Management》2013,24(18):3438-3456
There is an ongoing debate in the literature on the long-term impact of international work experience on future career success. In this longitudinal study based on university graduates, we compare expatriates (n = 159), repatriates (n = 395) and domestic employees (n = 2697) with regard to their objective and subjective career success during the first five years of their careers. Results from propensity score matching and ordinary least-squares regressions show that expatriates and repatriates have a higher objective career success in terms of monthly wages. We further find a higher subjective career success for expatriates and male repatriates. 相似文献
134.
In this research, the authors examine the effects on preschool-aged childhood obesity rates associated with the direct and moderating influence of fast food restaurant density levels, consumer poverty, and urbanization. Results show that higher levels of fast food restaurant saturation are associated with increased levels of childhood obesity in both urban and poor areas, with the largest negative effect of fast food availability on obesity occurring in more economically disadvantaged, urban areas. Findings highlight why the societal impacts of targeting vulnerable populations through corporate location selection strategies should be fully considered in social marketing initiatives, especially given that unhealthy products with long term health risks are increasingly accessible. 相似文献
135.
Oleg Urminsky Daniel M. Bartels Paola Giuliano George E. Newman Stefano Puntoni Lance Rips 《Marketing Letters》2014,25(3):281-291
Research on the role of identity in choice varies widely across fields like psychology, philosophy, consumer behavior, and economics, in both the key questions addressed and the methods of investigation. Although a large literature has established how salient aspects of identity affect attitudes and norms, less is known about how beliefs concerning identity are shaped and how these beliefs affect decision making. In this review, we cover recent insights into these issues and summarize some newer, developing approaches to understanding (i) how people judge the persistence of identity, (ii) how beliefs about future changes in identity are formed and how they affect choices, (iii) the formation of beliefs about future changes in identity and how these beliefs affect decisions, and (iv) the historical and economic antecedents of identity norms and their consequences for economic behavior. We introduce a distinction between synchronic and diachronic approaches, and highlight important unresolved questions that will help these fields to more fully understand the role that identity plays in shaping choices. 相似文献
136.
137.
Valerie Riedo Nils Daniel Kraiczy Andreas Hack 《Journal of Small Business Management》2019,57(3):989-1007
Research has started to investigate personality traits of social entrepreneurs because such traits in commercial entrepreneurs have been found to affect new venture creation/success. In this exploratory study, we apply the person‐environment fit theory and analyze specific social entrepreneurial personality dimensions (i.e., altruism, empathic concern, personal distress, compassion), and classical entrepreneurial personality dimensions (i.e., need for achievement (nAch), entrepreneurial self‐efficacy (ESE), general self‐efficacy, risk‐taking propensity) to identify differences between prospective social and commercial entrepreneurs. Using a sample of 85 prospective entrepreneurs, results show that prospective social entrepreneurs differ from prospective commercial entrepreneurs in the personality dimensions of personal distress, nAch, ESE, and risk‐taking propensity. 相似文献
138.
139.
Governments in many jurisdictions have called for an increase in ‘evidence-based’ policy-making. However, the international evidence-based policy movement has so far shown little progress in transforming the way that public policy is formulated and implemented. Much research on evidence-based policy has focused on political interference and contextual frames of reference as barriers to the uptake of research evidence. With the support of data from a survey of over 2,000 Australian public servants, we argue that individual and organizational deficits can leave the public service structurally unprepared for an engagement with diverse forms of evidence, including academic research in particular. 相似文献
140.
Energy consumption in the residential sector offers an important opportunity for conserving resources. However, much of the current debate regarding energy efficiency in the housing market focuses on the physical and technical determinants of energy consumption, neglecting the role of the economic behavior of resident households. In this paper, we analyze the extent to which the use of gas and electricity is determined by the technical specifications of the dwelling as compared to the demographic characteristics of the residents. Our analysis is based on a sample of more than 300,000 Dutch homes and their occupants. The results indicate that residential gas consumption is determined principally by structural dwelling characteristics, such as the vintage, building type, and characteristics of the dwelling, while electricity consumption varies more directly with household composition, in particular income and family composition. Combining these results with projections on future economic and demographic trends, we find that, even absent price increases for residential energy, the aging of the population and their increasing wealth will roughly offset improvements in the energy efficiency of the building stock resulting from policy interventions and natural revitalization. 相似文献