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81.
In the minimum cost spanning tree model we consider decentralized pricing rules, i.e., rules that cover at least the efficient cost while the price charged to each user only depends upon his own connection costs. We define a canonical pricing rule and provide two axiomatic characterizations. First, the canonical pricing rule is the smallest among those that improve upon the Stand Alone bound, and are either superadditive or piece-wise linear in connection costs. Our second, direct characterization relies on two simple properties highlighting the special role of the source cost. 相似文献
82.
Calin Arcalean Gerhard Glomm Ioana Schiopu Jens Suedekum 《The Canadian journal of economics》2010,43(3):832-859
Abstract We study the optimal degree of fiscal decentralization in a dynamic federal economy where governments decide on budget size and its allocation between public education and infrastructure spending. We find that full centralization of tax and expenditure policies is optimal when infrastructure productivity is similar across regions. When differences are not too large, partial centralization is optimal. With strong differences, full decentralization becomes optimal. National steady‐state output tends to be highest under full decentralization. We provide a justification for the mixed evidence regarding the Oates conjecture by showing that full dominates partial decentralization, despite being inferior to complete decentralization. 相似文献
83.
Alfred Lameli Volker Nitsch Jens Südekum Nikolaus Wolf 《The German Economic Review》2015,16(3):290-306
Language is a strong and robust determinant of international trade patterns: Countries sharing a common language trade significantly more with each other than countries using different languages, holding other factors constant. In this article we present the first analysis of the effect of language on trade in an intra‐national context. Analyzing unique data for a single‐language country, Germany, we find that similarities in the local dialect have a significantly positive impact on regional trade. We interpret this finding as evidence for the trade‐promoting effect of culture, because linguistic similarities likely reflect cultural ties across regions, rather than lower costs of communication or similar institutions. 相似文献
84.
Jens Eklinder-Frick Lars-Torsten Eriksson Lars Hallén 《Industrial Marketing Management》2011,40(6):994-1003
Research on networks emphasizes the importance of bonds between actors. Social reciprocity strengthens network bonds, which is assumed to have positive effects on business relationships between firms. However, the importance of weak ties is also stressed in network research. An important policy issue is therefore if more attention should be devoted to the creation of bridges to other social groups and loosening bonds between network actors. The difficulty in doing so is described and analyzed in this article focusing on a regional strategic network, which is viewed in three network perspectives. Interview data were collected from all participating managers in a regional strategic network in 2004 and 2010. The findings shed light upon the paradox of using a regional strategic network to counteract over-embeddedness and freeing the involved actors from existing network lock-ins instead of further strengthening such social institutions. 相似文献
85.
Industrial services, product innovations, and firm profitability: A multiple-group latent growth curve analysis 总被引:1,自引:0,他引:1
Andreas Eggert Author Vitae Jens Hogreve Author Vitae Wolfgang Ulaga Author Vitae Eva Muenkhoff Author Vitae 《Industrial Marketing Management》2011,40(5):661-670
Manufacturers in many industries seek service-led growth beyond their product core. Yet research on the link between service revenue growth and firm profitability is still at an early stage. To shed further light on this complex relationship, we report the results of a longitudinal study based on panel data of 414 companies in the German mechanical engineering industry collected over a five-year period. Employing latent growth curve modeling and using multiple group analysis, the study provides empirical evidence for the causality between service infusion strategies and manufacturers' profit trajectories. The results also reveal differential effects of service categories and the moderating role of manufacturers' product innovation efforts. For companies with high product innovation activity, services supporting the product (SSPs) directly increase firm profitability, while services supporting the clients' actions (SSCs) do not display any link with long-term profitability. Conversely, for companies with low product innovation activity, SSCs have a significant, positive effect on firm profitability, while SSPs have only an indirect effect. In sum, our findings caution managers that service offerings do not automatically improve company profits. Manufacturers must carefully consider the fit between their service offerings and product innovation activities to grow bottom line results. 相似文献
86.
Jens Hölscher 《Economic Systems》2013,37(1):137-138
87.
We examine the origins and outcome of entrepreneurship on the basis of exceptionally comprehensive Norwegian matched worker-firm-owner data. In contrast to most existing studies, our notion of entrepreneurship not only comprises self-employment, but also employment in partly self-owned limited liability companies. Based on this extended entrepreneurship concept, we find that entrepreneurship tends to be profitable. It also raises income variability, but the most successful quartile gains much more than the least successful quartile loses. Key determinants of the decision to become an entrepreneur are occupational qualifications, family resources, gender, and work environments. Individual unemployment encourages, while aggregate unemployment discourages, entrepreneurship. 相似文献
88.
Recent regulatory initiatives stress that an independent oversight board, rather than the management board, should assume the role of auditors' client. In an experiment, we test whether the type of client affects auditors' independence. Unique features of the German institutional setting enable us to realistically vary the type of auditors' client as our treatment variable: we portray the client either as the management preferring aggressive accounting or the oversight board preferring conservative accounting. We measure auditors' perceived client retention incentives and accountability pressure in a post-experiment questionnaire to capture potential threats to independence. We find that the type of auditors' client affects auditors' behaviour contingent on the degree of the perceived threats to independence. Our findings imply that both client retention incentives and accountability pressure represent distinctive threats to auditors' independence and that the effectiveness of an oversight board in enhancing auditors' independence depends on the underlying threat. 相似文献
89.
Integration, agglomeration and welfare 总被引:5,自引:0,他引:5
This paper studies the social desirability of agglomeration, and the efficiency arguments for policy intervention in a simple, analytically tractable new economic geography model. The location pattern emerging as market equilibrium is ‘bubble-shaped’, i.e. it features dispersion both at high and low trade costs and stable equilibria with partial and full agglomeration for intermediate levels of trade costs. We show that the market equilibrium is characterized by over-agglomeration for high trade costs and under-agglomeration for low trade costs, and we work out analytically that a net pecuniary externality is the underlying cause of this market failure. One particularly noteworthy result is that the net pecuniary externality is positive at high levels of trade freeness. However, there is no market under-agglomeration unless this positive net pecuniary externality interacts with an additional congestion force originating in the (per se efficient) competitive housing market. 相似文献
90.
In this paper we model an evolutionary process with perpetual random shocks, where individuals sample population-specific strategy-payoff pairs and imitate the most successful behavior. For finite n-player games we prove that in the limit, as the perturbations tend to zero, only strategy-tuples in minimal sets closed under single better replies will be played with positive probability. If the strategy-tuples in one such minimal set have strictly higher payoffs than all outside strategy-tuples, then the strategy-tuples in this set will be played with probability one in the limit, provided the minimal set is a product set and the sample is sufficiently large. 相似文献