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91.
Drawing from the resource-based theory of the firm, we develop a conceptual framework to show how organizational learning helps companies build a set of embedded knowledge assets (core competencies). The evolution of the core competencies over time depends on the ability of the firm to maintain a high level of organizational learning. In this article, we take the case of the French nuclear industry to illustrate how the most powerful French electricity producer and supplier, EDF, had succeeded, for 20 years, in building a core competence in nuclear risk and crisis management. Referring to the future deregulation of the European electricity market and the fierce competition of substitute resources of energy, the article shows that nuclear safety is a crucial issue for the survival of EDF and the European nuclear industry. We explore how EDF has learned from Three Mile Island in 1979 and Chernobyl in 1986 to improve and enrich continuously its core competence in risk and crisis management. We distinguished three phases in the learning process of EDF: the technical phase (1977–1982), the human phase (1982–1989), and the cultural phase (1989–1995). Each phase is analyzed as a step toward a greater awareness of the multidimensional nature of risk and crisis management. 相似文献
92.
This paper examines the feasibility of collusion in capacity constrained duopoly supergames. In each period firms simultaneously
set a price–quantity pair specifying the price for the period and the maximum quantity the firm is willing to sell at this
price. Under price–quantity competition firms are able to ration their output below capacity. For a wide range of capacity
pairs, the equilibrium path providing the smaller firm with its highest stationary perfect equilibrium payoff requires that
it undercut its rival’s price and ration demand. Furthermore, for some capacities and discount factors supporting security
level punishments, price shading and rationing arise everywhere on the set of stationary perfect equilibrium paths yielding
(constrained) Pareto optimal payoffs. That is, price shading may not only be consistent with optimal collusion, it may be
a requirement of optimal collusion. 相似文献
93.
This paper uses three-way and sociometric data to reconstitute individual conceptions of peer-driven intervention for the protection of common resources in a collegial organization, a Northeastern corporate law firm. Variations in partners' individual conceptions are explained in terms of management of costs of lateral control. Costs of control are mainly expressed as costs to members in terms of social capital. Management of such costs includes spreading or concentrating them among partners, shifting them to others or bearing them oneself, and using similarities among others to smooth the control process among peers. Leverage styles are identified. They tend to combine various ways of spreading and shifting such costs, and characterize three levels of seniority. Seniority appears to be a key variable for a theory of unobtrusive protection of common resources among peers. 相似文献
94.
In contrast with the classical models of frictionless financial markets, market models with proportional transaction costs,
even satisfying usual no-arbitrage properties, may admit arbitrage opportunities of the second kind. This means that there
are self-financing portfolios with initial endowments lying outside the solvency region but ending inside. Such a phenomenon
was discovered by M. Rásonyi in the discrete-time framework. In this note, we consider a rather abstract continuous-time setting
and prove necessary and sufficient conditions for a property which we call no free lunch of the second kind, NFL2. We provide a number of equivalent conditions elucidating, in particular, the financial meaning of the property B which appeared as an indispensable “technical” hypothesis in previous papers on hedging (superreplication) of contingent
claims under transaction costs. We show that it is equivalent to another condition on the “richness” of the set of consistent
price systems, close to the condition PCE introduced by Rásonyi. In the last section, we deduce the Rásonyi theorem from our general result by using specific features
of discrete-time models. 相似文献
95.
In this paper, the authors present the results of an empirical study that attempts to analyse the risk of bank run in Geneva, Switzerland. Two similar surveys have been conducted upon two independent samples of Geneva population (June 2008 and February 2009) to detect the existence of predictive signals leading to a bank run within the selected area. The authors discover that Geneva inhabitants are generally confident in Swiss banks; the risk of a bank run in the area is low. However, reliance to the national banking system is worsening: The number of people fearing about their savings and those thinking the default of a major Swiss bank as "possible" has significantly risen. Also, more and more people keep updated about the current financial crisis; overall trust in Swiss banks has slightly decreased. 相似文献
96.
This paper presents a simple OLG model which is consistent with observed consumer behavior, capital accumulation and wealth
distribution, and yields some new conclusions about fiscal policy. By considering a society in which individuals are distinguished
according to two characteristics, altruism and wealth preference, we show that those who in the long run hold the bulk of
private capital are not so much motivated by dynastic altruism as by preference for wealth. In this setting, estate taxation
is a questionable instrument of redistribution: it penalizes the wealthy, but favors the top wealthy. On the other hand, even
though Ricardian equivalence holds, both public debt and PAYG pensions lead to a transfer of resources from the top wealthy
to the other individuals. 相似文献
97.
Emmanuel Anoruo Habtu Braha Yusuf Ahmad 《International Advances in Economic Research》2002,8(2):85-96
This paper utilizes the dynamic error-correction model (DECM) to examine the issue of purchasing power parity (PPP) for 11 developing countries (Argentina, Bolivia, Colombia, Cote d'Ivoire, Ecuador, Guatemala, Kenya, Nigeria, Peru, South Africa, and Venezuela). For comparison purposes, evidence from the traditional unit root methods of the augmented Dickey-Fuller (ADF) and Phillips-Perron is presented. The results from the conventional unit root tests failed to find evidence of PPP in all of the cases. However, the results from the generalized error-correction model detected evidence of PPP for nine out of the 11 countries under consideration. Based on these results, it was concluded that PPP holds in the long-run for the sample countries and that the implicit restrictions associated with unit root tests prevented earlier studies from finding evidence in support of PPP theory.The views expressed in this paper are those of the authors only. They do not reflect the views of the World Bank. 相似文献
98.
99.
100.
Emmanuel Jimenez 《Journal of public economics》1985,27(1):69-92
It is estimated that up to 30–35 percent of the total urban population of the Third World (about 185 million people) live in squatter settlements. This paper presents, from an economic perspective of tenure choice under uncertainty, a unified and consistent theoretical framework of this phenomenon, which has heretofore been studied mainly by other social scientists. The model is able to explain why land invasions occur. Furthermore, it provides some insights as to why the number of squatters in an urban area depends on a squatter community's ability to form coalitions to fully protect its members' rights. It is shown in the paper that, if a community is successful in controlling its size, government efforts which are meant to reduce the number of squatters may lead to the opposite results. In particular, the imposition of heavier fines or the increase of government expenditures on eviction activity (threat campaigns, eviction in other jurisdictions, etc.) will likely lead to an increase in the optimal number of squatters, unless the decline in expected utility caused by these efforts is so great that squatting no longer becomes viable at any community size. 相似文献