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51.
Adilson Carlos Yoshikuni Alberto Luiz Albertin 《中国经济评论(英文版)》2014,(5):301-319
Information Technology (IT) consolidates as an essential element to support the business strategies to survive and rapidly adapts to changes in the competitive environment. This paper examines the impact of the use of information systems (IS) and strategic organization knowledge (SOK) on firm performance in 150 Brazilian companies. The study uses partial least squares structural equation modeling (PLS-SEM) and establishes models to express the relationship among the constructs examined. The study identifies that the direct influence of 1S use on performance is moderately significant. However, when mediated by orientation strategy, the total effect of IS use on firm performance is demonstrated to be highly significant. The model explains 54% of the variability of firm performance and confirms IS use as a fundamental resource to support strategic business processes. 相似文献
52.
Tim R. L. Fry Guillaume Galanos Alberto Posso 《Scottish journal of political economy》2014,61(3):261-279
Getting a player like Lionel Messi in the squad would seem like a dream come true for a professional football manager, but is it always best to have top‐quality players? We study the determinants of top goal‐scorers’ productivity in the UEFA Champions League. We find evidence of a concave relationship between age and productivity and uncover an inverted‐U relationship between performance and minutes played. Finally, we find a positive effect on height, being left footed and being a striker on the probability of scoring a goal. The results have important implications for managers both in looking to sign on new players and to maximise their potential during a competitive match. 相似文献
53.
Alberto Petrucci 《Economic Modelling》1999,16(4):193
This article analyses the consequences of the money supply growth rate on capital intensity and economic growth in an overlapping-generations model with real balances entering the production function. Within this theoretical framework, anticipated inflation generates an ambiguous effect on capital–labour ratio, because two forces work simultaneously in opposite directions: one driving towards a pure Tobin effect (due to the OLG demographic structure of the economy) and the other pushing down the capital stock (due to the productive role of real balances). Despite the unclear effects exerted on capital intensity, higher monetary growth rates unambiguously reduce real money demand, consumption, total wealth and welfare. 相似文献
54.
Tomás Serebrisky Sebastián López Azumendi Luis Alberto Andrés 《Journal of Air Transport Management》2011,17(4):207-210
This paper offers a cross-country assessment of the governance of airport regulators in Latin America. The analysis links the institutional design of airport regulators, whether in the form of independent regulatory agencies or government departments, to their overall governance. It examines four dimensions of regulatory governance: autonomy, transparency, accountability, and bureaucratic quality. Independent regulatory agencies in the Latin American airport sector seem to provide a better framework for transparency and bureaucratic quality than government departments. It is not conclusively found, however, that independent regulatory agencies contribute to a more autonomous decision-making or to an enhanced accountability of regulators to other branches of government and airport users. Overall, governance indicators of airport regulators in Latin America are well below the threshold that defines good governance. 相似文献
55.
In this paper, we test whether European consumers are addictive smokers and, if this is the case, then whether such addictions can be explained by the rational addiction theory. To this end, we start from a non‐separable intertemporal utility function, which allows us to derive a demand function that is estimated using tobacco time‐series. The results are in accordance with the model of rational addiction for all European smokers. Thus, we observe the addictive character of tobacco consumption and, secondly, we note that the addiction is not the result of myopic consumer behaviour, but rather of the maximization of total utility, implying that consumers consider the future effects of their current decisions. 相似文献
56.
In spite of the increase in domestic law enforcement policies in the U.S. drug related crime has followed a non-monotonic
trend and cocaine and heroin prices, instead of increasing, have been dropping or remained stable over time. All this in a
context of an increase in these drugs’ consumption during the 1980s and a small decrease during the 1990s. This paper provides
an explanation to these counter-intuitive effects of domestic law enforcement policies. We model how drug lords respond to
this type of policy within a conflict framework over the control of distribution activities for illegal drugs, which is novel.
The model predicts drug distribution activities, drug prices and drug consumption. These predictions appear to be consistent
with the empirical evidence in the United States. 相似文献
57.
Alberto Martin 《Economic Theory》2007,31(2):371-386
Dubey and Geanakoplos (Q J Econ 117:1529–1570, 2002) have developed a theory of competitive pooling, which incorporates adverse
selection and signaling into general equilibrium. By recasting the Rothschild–Stiglitz model of insurance in this framework,
they find that a separating equilibrium always exists and is unique.
We prove that their uniqueness result is not a consequence of the framework, but rather of their definition of refined equilibria.
When other types of perturbations are used, the model allows for many pooling allocations to be supported as such: in particular,
this is the case for pooling allocations that Pareto dominate the separating equilibrium. 相似文献
58.
Touch plays an important, if often underacknowledged, role in our evaluation/appreciation of many different products. It is unsurprising, therefore, that there has been such a recent growth of interest in “tactile branding” and tactile marketing. This article reviews the evidence from the fields of marketing, psychology, and cognitive neuroscience, demonstrating just how important the feel of a product, not to mention the feel of its packaging, can be in determining people's overall product evaluation. Problems for tactile design associated with the growth of the aging population, and the growth of Internet‐based shopping, are highlighted. The critical role that touch can play in multisensory product design, appreciation, and marketing is also discussed, as is the increasingly frequent use by marketers of synesthetic correspondences to evoke tactile sensations via the visual and auditory modalities. We put forward the argument that tactile stimulation may influence multisensory product evaluation by means of affective ventriloquism: Our suggestion is that the hedonic attributes of a product perceived via one modality (such as touch) can “pull” (or bias) a person's estimates of the quality and pleasantness of the product derived from other sensory modalities into alignment, and by so doing, modulate a person's overall (multisensory) product experience. What is more, powerful mathematical modeling approaches now exist to predict the magnitude of this kind of intersensory (or crossmodal) interaction effect, hence offering the promise of a more scientific approach to tactile design/marketing in the coming years. © 2011 Wiley Periodicals, Inc. 相似文献
59.
A home firm signals her private cost information by expanding in a foreign firm’s country. Credible signaling to deter counter‐entry may occur through a direct investment (but not through exports), and may even entail entering an unprofitable market. While this produces social benefits, uninformative signaling may be welfare‐reducing. Hence, we argue that moderate to high location costs may be socially desirable. We also show that there are not simple monotonic relationships between technology/demand conditions and firms’ entry modes. Thus, the signaling interpretation of international expansion makes it possible to explain some controversial empirical findings on a theoretical ground. 相似文献
60.
Alberto Alesina 《European Economic Review》2006,50(1):91-120
This paper provides a formal model of endogenous border formation and choice of defense spending in a world with international conflict. We examine both the case of democratic governments and of dictatorships. The model is consistent with three observations. First, breakup of countries should follow a reduction in the likelihood of international conflicts. Second, the number of regional conflicts between smaller countries may increase as a result of the breakup of larger countries. Third, the size of the peace dividend (the reduction in defense spending in a more peaceful world) is limited by the process of country breakup. 相似文献