The Moderating Influence of Broad‐Scope Trust on Customer–Seller Relationships

Trust relates not only to customer trust in individual companies (i.e., narrow‐scope trust) but also to the broader business context in which customer–seller relationships may develop (i.e., broad‐scope trust [BST]). Based on two surveys comprising 1155 bank consumers and 817 insurance consumers, respectively, this study investigates the moderating influence of BST on relationships between satisfaction, narrow‐scope trust, and loyalty and also examines the direct influence of BST on these variables. The results indicate that whereas BST negatively moderates relationships between satisfaction and narrow‐scope trust and between narrow‐scope trust and loyalty, BST positively moderates the relationship between satisfaction and loyalty. In addition, it is demonstrated that BST positively influences customer satisfaction and narrow‐scope trust. © 2012 Wiley Periodicals, Inc.     

On myopia as rationale for social security

It has been argued that “paternalistically motivated forced savings constitutes an important, and to some the most important, rationale for social security retirement systems.” This paper revisits the role played by myopia in generating a theoretical rationale for pay-as-you-go (PAYG) social security in dynamically efficient economies. If the competing asset is linear storage and myopic agents are allowed to borrow against future pension benefits, there is no welfare-rationale for PAYG pensions. Sufficiently strong myopia may justify such pensions only if agents cannot borrow against their future pension, but then they are at a zero-saving corner. With enough myopia, co-existence of positive optimal pensions and positive private saving is possible if the return to saving declines with saving, as in a model with a neoclassical technology.     

Continuous‐time models,realized volatilities,and testable distributional implications for daily stock returns

We provide an empirical framework for assessing the distributional properties of daily speculative returns within the context of the continuous‐time jump diffusion models traditionally used in asset pricing finance. Our approach builds directly on recently developed realized variation measures and non‐parametric jump detection statistics constructed from high‐frequency intra‐day data. A sequence of simple‐to‐implement moment‐based tests involving various transformations of the daily returns speak directly to the importance of different distributional features, and may serve as useful diagnostic tools in the specification of empirically more realistic continuous‐time asset pricing models. On applying the tests to the 30 individual stocks in the Dow Jones Industrial Average index, we find that it is important to allow for both time‐varying diffusive volatility, jumps, and leverage effects to satisfactorily describe the daily stock price dynamics. Copyright © 2009 John Wiley & Sons, Ltd.     

Market dynamics, dynamic resource management and environmental policy in the context of (strong) sustainability

In this paper, we investigate the relationship between market dynamics, dynamic resource management and environmental policy. In contrast to static market entry games, this paper draws attention to the effects of market dynamics on resource dynamics et vice versa, because (1) we show that feedback processes are necessary for obtaining a better understanding of what drives the dynamics between the evolution of common-pool resources and the number of harvesters and more importantly, (2) this analysis provides an environment discussing sustainability in an appropriate inasmuch dynamic way. The paper makes the following points: based on a co-evolutionary model, which incorporates resource and market dynamics simultaneously, it is shown that an increasing number of harvesters does not necessarily imply a lower stock of the common-pool resource in the long run. Further it is shown that a tax-scheme establish an output-sharing solution for coping with the overuse of common-pool resources. This results is in contrast to the prevailing literature, which mainly discusses tax-schemes and out-sharing as substitutes rather than as complements for solving the commons-problem. This conclusion holds even if we additionally assume harvesting-cost-reducing technological progress. On the other side if policy interventions ceased, strong resource sustainability in the sense of resource conservation is not possible, given technological progress is a relevant issue.     

Duration of maternity leave in Germany: A case study of nonparametric hazard models and penalized splines

The paper investigates maternity leave behavior in West Germany for females being employed between 1995 and 2006 using data from the German Socio Economic Panel. The observational study focuses on the investigation of individual and family-related covariate effects on the duration of maternity leave following first or second childbirth, respectively. Dynamic duration time models are used in which covariate effects are allowed to vary smoothly with duration of being in maternity leave. The intention of the paper is to demonstrate with state of the art models how effects of covariables change over time and to analyse substantial differences between maternity leaves following first and second childbirth. Particularly the personal income of mothers and the educational attainment influence the decision when to return into employment. The leave period following second birth is influenced by the mothers' attachment to the labour market between their two maternity leave periods. As fitting routine penalized spline smoothing effects is employed using available software in R (http://www.r-project.org).     

Prices and Information Under Imperfect Competition

Imperfectly competitive product markets cannot be informationally efficient as private information has strategic implications interfering with price adjustment. This is illustrated in a duopoly model with sequential price setting where private information either leads to prices not being adjusted to all available information or to adjusted but biased prices.     

Multinational risk and performance outcomes: Effects of knowledge intensity and industry context

A multinational presence can diversify corporate business activities and provide access to diverse overseas resources. This can enhance operational flexibility and create new business propositions that increase responsiveness to global market changes. Establishing an international corporate structure may also require irreversible investments and impose maintenance and processing costs that contravene the implied resilience and agility benefits. We distinguish between downside risk and upside potential as the relevant outcome measures to assess the implied advantages of multinationality. Consistent with the rationales of the OLI paradigm, we argue that multinational reach particularly in knowledge-based industries can reduce downside risk and enhance upside potential. These results introduce more nuances to the ongoing debate about multinational risk and performance effects. Based on a large cross-sectional dataset, we find that flexibility and responsiveness thrives on a multinational presence among firms operating in information-driven knowledge businesses. In contrast, internationalizing firms in capital-based network services display adverse risk effects.     

A reduced form framework for modeling volatility of speculative prices based on realized variation measures

Building on realized variance and bipower variation measures constructed from high-frequency financial prices, we propose a simple reduced form framework for effectively incorporating intraday data into the modeling of daily return volatility. We decompose the total daily return variability into the continuous sample path variance, the variation arising from discontinuous jumps that occur during the trading day, as well as the overnight return variance. Our empirical results, based on long samples of high-frequency equity and bond futures returns, suggest that the dynamic dependencies in the daily continuous sample path variability are well described by an approximate long-memory HAR–GARCH model, while the overnight returns may be modeled by an augmented GARCH type structure. The dynamic dependencies in the non-parametrically identified significant jumps appear to be well described by the combination of an ACH model for the time-varying jump intensities coupled with a relatively simple log-linear structure for the jump sizes. Finally, we discuss how the resulting reduced form model structure for each of the three components may be used in the construction of out-of-sample forecasts for the total return volatility.     

Deutsche Mark–Dollar Volatility: Intraday Activity Patterns, Macroeconomic Announcements, and Longer Run Dependencies

This paper provides a detailed characterization of the volatility in the deutsche mark–dollar foreign exchange market using an annual sample of five-minute returns. The approach captures the intraday activity patterns, the macroeconomic announcements, and the volatility persistence (ARCH) known from daily returns. The different features are separately quantified and shown to account for a substantial fraction of return variability, both at the intraday and daily level. The implications of the results for the interpretation of the fundamental "driving forces" behind the volatility process is also discussed.     

Intergenerational redistribution and risk sharing with changing longevity

Trend increases in longevity are a global phenomenon challenging the fiscal sustainability of current welfare arrangements. Policy proposals abound and often build on implicit assertions concerning intergenerational equity. This paper offers a simple but manageable OLG model with endogenous retirement and cohort-specific longevity to address intergenerational redistribution and risk sharing. While it is well known that a utilitarian planner strives for consumption smoothing, it is shown that healthy ageing calls for work smoothing in the sense that retirement ages increase with longevity. Hence, cohorts with higher longevity should contribute to their larger consumption needs via later retirement, although it is shown that the planner still front-loads some financing (pre-saving). Stochastic longevity raises the issue of intergenerational risk sharing, which implies that cohorts turning out to have a high longevity are compensated at the expense of cohorts turning out to have a relatively short longevity.