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81.
Die Netzstrukturen im Bereich der Telekommunikation entwickeln sich weiter und erfordern neue Investitionen. Die notwendige
Regulierung kann dabei verschiedene Formen annehmen und zu unterschiedlichen Zeitpunkten ansetzen. Die Autoren beschreiben
die Netzinfrastruktur in Deutschland und zeigen die Ergebnisse der Regulierungsvarianten auf. 相似文献
82.
The Ethics of Online Retailing: A Scale Development and Validation from the Consumers’ Perspective 总被引:2,自引:0,他引:2
Sergio Roman 《Journal of Business Ethics》2007,72(2):131-148
While e-commerce has witnessed extensive growth in recent years, so has consumers’ concerns regarding ethical issues surrounding
online shopping. The vast majority of earlier research on this area is conceptual in nature, and limited in scope by focusing
on consumers’ privacy issues. This study develops a reliable and valid scale to measure consumers’ perceptions regarding the
ethics of online retailers (CPEOR). Findings indicate that the four factors of the scale – security, privacy, non-deception
and fulfillment/reliability – are strongly predictive of online consumers’ satisfaction and trust. The results offer important
implications for e-retailers and are likely to stimulate further research in the area of e-ethics from the consumers’ perspective.
Sergio Román is an Associate Professor of Marketing at the University of Murcia (Spain). He has been a Visiting Scholar at
the University of Arizona. His articles have appeared in the Journal of Business Research, International Marketing Review,
International Journal of Market Research, European Journal of Marketing and Journal of Marketing Management. His research
interests are focused on personal selling and sales management, international marketing and business ethics. 相似文献
83.
We present a new specification for the multinomial multiperiod probit model with autocorrelated errors. In sharp contrast with commonly used specifications, ours is invariant with respect to the choice of a baseline alternative for utility differencing. It also nests these standard models as special cases, allowing for data-based selection of the baseline alternatives for the latter. Likelihood evaluation is achieved under an Efficient Importance Sampling (EIS) version of the standard GHK algorithm. Several simulation experiments highlight identification, estimation and pretesting within the new class of multinomial multiperiod probit models. 相似文献
84.
Roman Raab 《Empirica》2011,38(2):231-257
The scope of this paper is to investigate the impact of financial incentives on the retirement decision of private sector workers in Austria. How do financial incentives embedded in the Austrian pension system impact individual retirement behavior? We are using a unique dataset of individual social insurance spells. Micro-estimating the impact of financial incentives on the probability of retirement shows that the behavioral response to financial incentives in Austria is relatively large in international comparison. Also, there are striking behavioral differences between men and women. Using the estimates to simulate reform scenarios shows huge behavioral changes as incentives alter. 相似文献
85.
In markets as diverse as that for specialized industrial equipment or that for retail financial services, sellers or intermediaries may earn profits both from the sale of products and from the provision of pre-sale consultation services. We study how a seller optimally chooses the costly quality of pre-sale information, next to the price of information and the product price, and obtain clear-cut predictions on when information is over- and when it is underprovided, even though we find that information quality does not satisfy a standard single-crossing property. Buyers who are a priori more optimistic about their valuation end up paying a higher margin for information but a lower margin for the product when they subsequently exercise their option to purchase at a pre-specified price. 相似文献
86.
We analyze the incentives of a vertically integrated firm to foreclose downstream rivals in a model of upstream price competition between suppliers of only imperfectly substitutable inputs. Our main motivation is a critical assessment of common assertions that draw inferences from pre-merger observable variables to post-merger incentives to foreclose. In particular, we find that, contrary to some commonly expressed views, high margins on the downstream and low margins on the upstream market are not good predictors for the incentives of a newly integrated firm to foreclose rivals. Besides this contribution to policy, our model also extends existing results in the literature on vertical foreclosure through allowing for the interaction of product differentiation on the upstream and on the downstream market. 相似文献
87.
88.
In this paper, we examine the effects of Czech monetary policy on the economy within the vector auto regression (VAR), structural
VAR, Bayesian VAR with sign restrictions, and factor-augmented VAR, frameworks. We document a well-functioning transmission
mechanism similar to the euro area countries, especially in terms of persistence of monetary policy shocks. Subject to various
sensitivity tests, we find that a contractionary monetary policy shock has a negative effect on the degree of economic activity
and the price level, both with a peak response after one year or so. Regarding prices at the sectoral level, tradables adjust
faster than non-tradables, which is in line with microeconomic evidence on price stickiness. There is no price puzzle, as
our data come from a single monetary policy regime. There is a rationale in using the real-time output gap instead of current
GDP growth, as using the former results in much more precise estimates. The results indicate a rather persistent appreciation
of the domestic currency after a monetary tightening, with a gradual depreciation afterwards. 相似文献
89.
Trimbath Susanne Frydman Halina Frydman Roman 《Review of Quantitative Finance and Accounting》2001,17(4):397-420
This study, using the Cox proportional hazards model, finds that the risk of takeover rises with cost inefficiency. It also finds that a firm faces a significantly higher risk of takeover if its cost performance lags behind its industry benchmark. Moreover, these findings appear to be remarkably stable over the nearly two decades spanned by the sample. The effect of the variables used to measure the risk-size relationship, however, indicates temporal changes. Lastly, the study presents evidence from fixed-effects models of ex post cost efficiency improvements that support the hypothesis that takeover targets are selected based on the potential for improvement. 相似文献
90.
Inshyn Mykola Khutoryan Natalia Cherneha Roman Bontlab Vasyl Tkachenko Dmitry 《Employee Responsibilities and Rights Journal》2021,33(4):265-279
Employee Responsibilities and Rights Journal - Legal relations arising from a civil law contract for the performance of work or the provision of services are not identical to labor relations, and... 相似文献