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Всего публикаций в данном разделе: 565

Авторы:
А Б В Г Д Е ЖЗ И ЙК Л М Н О П Р С Т У Ф Х ЦЧ Ш ЩЭЮЯ
A B C D E F G H I J K L M N O P QR S T U V W X Y Z
 
Названия:
А БВ Г Д ЕЖЗ И ЙК ЛМ НО П Р С Т У ФХЦ Ч ШЩЭ ЮЯ
1 A B C D E F G H I JKL M N O P Q R S T U V W XY Z
 

Опубликовано на портале: 21-03-2004
Данная публикация представляет нобелевскую лекцию американского экономиста Джеймса Бьюкенена по случаю получения им в 1986 году премии памяти Альфреда Нобеля по экономике за исследование договорных и конституциональных основ теории принятия экономических и политических решений. Лекция посвящена рассмотрению основных принципов и правил, по которым должна проводиться экономическая политика; написана она простым английским языком и находится в открытом доступе на официальном сайте.
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Опубликовано на портале: 28-05-2008
Marc Buelens, Geert Devos
2002
The overall picture of change effectiveness is rather gloomy. The change environment presented in terms of two general dimensions: power distance and uncertainty. The authors revealed and described the four generic change failures: leadership failure, negotiation failure, registration failure and action-planning failure. In conclusion the authors presents three major reasons for change failures: fail to see that their environment is changing; fail to apply the right strategies in view of the organizational environment so even the correct assessment of the environment and the selection of the correct strategy can lead to change failure.
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Опубликовано на портале: 28-11-2003
Jean-Christophe Bureau, Luca Salvatici
2002
This paper provides a summary measure of the possible new commitments in the area of market access undertaken by the European Union and the United States, using the Trade Restrictiveness Index (TRI) as the tariff aggregator. Indicators such as the TRI, based on welfare theory, integrate economic behavioural assumptions within a balance of trade framework. We take the 2000 bound tariffs as the starting point and attempt to assess how much liberalisation in agriculture could be achieved in the European Union and the United States as a result of the present negotiations. We compute the index for agricultural commodity aggregates assuming a specific (Constant Elasticity of Substitution) functional form for import demand. The present levels of the TRI under the actual commitments of the Uruguay Round are computed and compared with three hypothetical cases: a repetition of the same set of commitments of the Uruguay Round, a uniform 36 percent reduction of each tariff, an harmonization formula based on the “sliding scale” scheme. This makes it possible to infer how reducing tariff dispersion would help improve market access in future trade agreements.
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Опубликовано на портале: 31-03-2005
Stefania Bussoletti, Roberto Esposti
2004
This paper aims to investigate the impact of structural funds policies on objective 1 regions over the past programming periods (1989-1993; 1994-1999). This impact is analysed by estimating a conditional convergence econometric model. According to this model, regional convergence is affected both by the policy treatment and by the regional economic structure (proxied by the agricultural employment share). This convergence model is specified in a panel-data dynamic form on a dataset of 206 NUTS II EU-15 regions observed over more than 10 years (from 1989 to 2000) and of 55 NUTS II regions of 12 accessing countries observed in the last five years of the sample period (1995-2000). A GMM estimation is applied to obtain consistent estimates of both the β-convergence and of the impact of the conditioning variables, mainly the objective 1 policies.
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Опубликовано на портале: 28-11-2003
Javier Calatrava-Leyva, Alberto Garrido
2002
Water availability in semiarid regions usually exhibits patterns of extreme variability. Even in intensively controlled basins, some users are subject to low levels of water reliability, and more vulnerable to periods of extreme scarcity. To reduce their risk exposure more flexible instruments, such as voluntary exchanges of water among users, are required. Recent changes in the Spanish water Law have given an initial impulse to allow for leases of water use rights. Properly designed and monitored, this instrument provides some flexibility to water management, and may increase the economic use efficiency as well as mitigate the adverse economic effects of droughts.

This paper looks at the risks and uncertainty dimensions of water markets, which have not been paid much attention in the literature. It analyses, from theoretical and empirical standpoints, the role that uncertainty plays in market participants’ decisions and its impact on gains from trade. Two models have been developed to carry out the empirical application. One is a stochastic and two-stage discreet programming model which simulates irrigators behaviour and the other is a spatial equilibrium model to compute market exchange and equilibrium. Water market price endogeneity is solved by an iterative process, which characterise price uncertainty from the results obtained from the spatial equilibrium model. Hydrological risk is characterised at the irrigation farm level through the variation of the water allowances served for irrigation. The application is performed on eleven irrigated farms in a district of the Guadalquivir Valley (Southern Spain). It is shown how water availability uncertainty reduces farmers’ benefits because of the fact that they must take ex – ante decisions. However, if market participation is allowed once water allowances become known, even at an uncertain price, the benefit losses are partly mitigated. From a methodological standpoint, these results suggest that the agricultural water market benefits estimates found in the literature may be undervalued as a result of omitting the option to participate in the market in the mix of possible strategies. Exchanging water in annual spot markets allows for the reduction of farmers’ economic vulnerability caused by the variability and uncertainty of water supply within an irrigation season.
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Опубликовано на портале: 30-12-2003
Javier Calatrava-Leyva, Alberto Garrido
Durban, 2003
Water availability in semiarid regions commonly exhibits patterns of extreme variability. Even in basins with large infrastructure development, some users are subject to low levels of water reliability, incurring economic losses during periods of scarcity. More flexible instruments, such as voluntary exchanges of water among users, may help users reduce their risk exposure. Recent changes in the Spanish water Law have given an initial impulse to allow for lease-out contracts of water use rights. This paper analyses, from theoretical and empirical standpoints, the effect that establishing water markets has on the economic risk caused by water availability variations.

The empirical study is performed on an irrigation district of the Guadalquivir Valley (Spain) with fair levels of average water availability but a high probability of periods of extreme scarcity. A non-linear programming model is used to simulate irrigators’ behaviour and derive water demand functions. Another spatial equilibrium model is used to compute market exchange and equilibrium. These programming models are combined with statistical simulation techniques. It is shown that the probability distribution of profits for a representative irrigator is modified if water exchanges are authorised, resulting in unambiguous risk reductions. Results also suggests that if the market would be extended to several irrigation districts and users, each characterised by different hydrological risk exposure, the occurrence of extremely low benefits events would become more unlikely. In sum, it is shown that exchanging water in annual spot markets allows for the reduction of farmers’ economic vulnerability caused by the variability of water supply across irrigation seasons.
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Опубликовано на портале: 05-01-2003
Monica Calcagno
2002
The focus of this paper is on discussing the modularity concept through an in-depth and critical analysis of the wide literature on the subject. The identification of three main streams of research, which most of the literature can be inserted in, will be finally used to propose a conceptual reading of the process of modularisation in its main stages and dynamics.
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Опубликовано на портале: 11-12-2002
Adrian Atilio Caldart, Joan Enric Ricart
2002
During the last years a debate has raged within the field of Strategic Management between a rational view (IO, Positioning School, Strategic Planning, Cybernetics) and a Complex Adaptive Systems (CAS) view (Emergent strategies,complexity theory, chaos theory) of the field. This paper attempts to shed some light around an issue which must be clarified for the better development of such debate. Being the CAS view a response to the new realities of environmental turbulence, it was discussed which are the behavioral sources of such turbulence in order to clarify if such phenomena is a qualitatively new reality of business environments, or simply a contingent but circumstantial feature affecting many industries. For this purpose, the authors introduced and applied a theoretical model that conceives the strategy of the firm, as a dialectic process in a situation of conflict.
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Опубликовано на портале: 28-05-2008
Wendy Carlin, Reka Horvath
2000
How important is competition in the product market to the economic performance of the firm? How important is the corporate governance structure of the firm to its performance? How does external competition interact with corporate governance to influence firm performance? These questions are posed in a dramatic way in transition economies because product market competition and profit-seeking organizations with new ownership structures were both introduced within a short time period. This paper does not answer these questions. Its aim is to bring together the several often separate literatures that discuss the issues. In the first part, the competition-performance link in theory and empirical work is examined. In the second part, the ownership and governance structures in the firm and in particular, those that affect the key performance-related decision-making processes are investigated. In the third part, the sparse attention given in the literature to the possible interaction between external market pressures and corporate governance structures is considered. In each section, reference is made first to the theory and evidence from outside transition and second to transition-specific models and evidence.
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Опубликовано на портале: 29-11-2003
Javier Guillem Carrau, Raul Compes Lopez
2002
The United States is the leading country in the application of biotechnology to agricultural methods. One of the principal reasons for this is the flexibility of its legislation on Genetically Modified Organisms (GMO). A significant part of its production of soya or corn is already genetically modified, so that its companies need to avoid technical barriers to their exports in the world markets?. In the EU, negative public opinion has contributed to the adoption by the authorities of exigent legislation in order to avoid the possible risks to human health and the environment posed by GMO. The EU’s authorisation procedure for these organisms is long and meticulous.

Furthermore, a compulsory labelling system has been adopted for products, which contain GMO or genetically modified materials (GM materials). In 1998, American interests started to be adversely affected by European legislation. The USA Administration threatened to sue the EU before the World Trade Organisation (WTO). These threats have yet to be followed up with any action. The rules of international trade are regulated by agreements signed up to by the members of the WTO. The EU can argue that its authorisation procedure is designed to reduce the risks to health and the environment. This line of argument is compatible with the Agreements on Sanitary and Phytosanitary Measures (SPS) and Technical Barriers to Trade (TBT). The compulsory labelling system is also compatible with the Agreement on TBT if the WTO accepts that a product in which GM material is detected is not similar to a conventional one. The Protocol of Biosafety further supports the EU position since it advocates a cautious approach exemplified by the fact that the Protocol permits consideration of non-scientific risks during risk assessment. However, the Protocol is not yet in force, it is pending ratification by at least 50 countries and, now more than ever, it is uncertain whether the United States will be willing to ratify the Protocol. However, we cannot be sure that there will be future commercial controversy, which will show the contradictions between the commercial agreement and the environmental one.
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Опубликовано на портале: 11-12-2002
Bruno Cassiman, Reinhilde Veugelers
2002
Successful innovation depends on the development and integration of new knowledge in the innovation process. In order to successfully innovate, the firm will combine different innovation activities. In addition to doing own research and development, firms typically are engaged in the acquisition of knowledge on the technology market and cooperate actively in R&D with other firms and research organizations. In this paper the authors provide evidence on complementarity between different innovation activities. Using data from the Community Innovation Survey on Belgian manufacturing firms, the authors show that firms that are only engaged in a single innovation strategy, either internal R&D activities or sourcing technology externally, introduced fewer new or substantially improved products compared to firms which combine internal and external sourcing. This result is consistent with complementarity between own R&D and external technology sourcing activities. Furthermore, the authors show that the different innovation activities are strongly positively correlated and identify common drivers, resulting in the perceived complementarity between these innovation activities. An important finding is that a capacity to strategically protect intellectual property and a more basic R&D base which may serve as an absorptive capacity, are important common drivers for the different innovation activities.
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Опубликовано на портале: 29-11-2003
Claire Chambolle, Eric Giraud-Heraud
2002
We analyse the competition in quality and quantity between a foreign firm and a domestic firm. The domestic firm can belong to a certification of origin, whereas its rival uses a pure brand strategy. We will show how the certification can allow the domestic firm to position itself as a high quality producer and improve the average quality of the products offered on the market. If, however, the certified firm offers the low quality good, the certification can permit it to guarantee a higher profit than that of its competitor and to improve the consumers’ surplus by favoring product standardisation.
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Опубликовано на портале: 25-12-2003
Hannah Chaplin, Sophia Moissey Davidova, Matthew Gorton
Durban, 2003
Survey evidence from three Central European Countries (Czech Republic, Hungary and Poland) is analysed to identify the degree of non-agricultural farm diversification and the factors facilitating or impeding it in individual farms. The effect of diversification on rural job creation is investigated. The results indicate that the level of diversification is relatively small and enterprise diversification by farmers is unlikely to generate sufficient new jobs and solve the problem of high rural unemployment. The attempt to transpose the Western European model of agricultural diversification to the acceding countries via the SAPARD programme is questionable, as non-farm centric rural policies appear to be more appropriate.
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Опубликовано на портале: 04-01-2004
Ming-Chin Chin, Robert D. Weaver
Zaragoza, 2002
Theoretical and simulation results clarify the role of forward procurement contracting as a determinant of spot price levels and volatility. A stylized model determines market share across quality when procurers forward contract to manage quality risk. Actual supply is specified as price dependent and stochastic. Simulation examines sensitivity of spot price level and volatility to extent of forward contracting, risk aversion, and ability to adjust spot market demand (recontracting).

The results show that as forward contracting increases mean spot price decreases and variance increases. This effect increases as risk aversion decreases and as the extent of recontracting adjustment in spot demand decreases.
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Опубликовано на портале: 30-11-2003
Anwar F. Chishti, Waqar Malik
2002
A theory-based graphical analysis of WTO’s trade liberalization policies (opening of close-economy to international trade and cuts in price-supports, import-tariffs and exportsubsidies) suggests that most of such policies would yield net social gains to the society, as a whole. The adverse effects and losses in producer surpluses of some of the policies would be balanced out by greater gains in consumer surpluses and vice versa. Losses in producer surpluses due to cuts in price supports and import tariffs are also expected to be partially subsided by reductions in export subsidies mainly granted by the USA and EU; hence, policies need to be enforced, not in isolation, but in a simultaneous fashion. Trade liberalization would help minimize control of individuals on trade, leave less room for individual policy makers, tax collectors and interest groups to exploit situations in their own interest and lead the economy to be run in accordance with the supply and demand forces based on the last lasting general tendency of human nature. This would help to achieve a sustainable and stable agricultural growth; however, more durable sustained growth would depend as how effectively trade liberalization is pursued and enforced the world over. Opening of closed economy for exportables, and withdrawal of export subsidies by foreign exporters would be proproducers and would directly contribute to poverty alleviation. Opening of economy for importables, withdrawal of price supports and tariff-cuts on imports would yield savings to consumers and would positively contribute towards poverty reduction.
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