8 resultados para Non-Ideal Duffing System

em Archive of European Integration


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The EU began railway reform in earnest around the turn of the century. Two ‘railway packages’ have meanwhile been adopted amounting to a series of directives and a third package has been proposed. A range of complementary initiatives has been undertaken or is underway. This BEEP Briefing inspects the main economic aspects of EU rail reform. After highlighting the dramatic loss of market share of rail since the 1960s, the case for reform is argued to rest on three arguments: the need for greater competitiveness of rail, promoting the (market driven) diversion of road haulage to rail as a step towards sustainable mobility in Europe, and an end to the disproportional claims on public budgets of Member States. The core of the paper deals respectively with market failures in rail and in the internal market for rail services; the complex economic issues underlying vertical separation (unbundling) and pricing options; and the methods, potential and problems of introducing competition in rail freight and in passenger services. Market failures in the rail sector are several (natural monopoly, economies of density, safety and asymmetries of information), exacerbated by no less than 7 technical and legal barriers precluding the practical operation of an internal rail market. The EU choice to opt for vertical unbundling (with benefits similar in nature as in other network industries e.g. preventing opaque cross-subsidisation and greater cost revelation) risks the emergence of considerable coordination costs. The adoption of marginal cost pricing is problematic on economic grounds (drawbacks include arbitrary cost allocation rules in the presence of large economies of scope and relatively large common costs; a non-optimal incentive system, holding back the growth of freight services; possibly anti-competitive effects of two-part tariffs). Without further detailed harmonisation, it may also lead to many different systems in Member States, causing even greater distortions. Insofar as freight could develop into a competitive market, a combination of Ramsey pricing (given the incentive for service providers to keep market share) and price ceilings based on stand-alone costs might be superior in terms of competition, market growth and regulatory oversight. The incipient cooperative approach for path coordination and allocation is welcome but likely to be seriously insufficient. The arguments to introduce competition, notably in freight, are valuable and many e.g. optimal cross-border services, quality differentiation as well as general quality improvement, larger scale for cost recovery and a decrease of rent seeking. Nevertheless, it is not correct to argue for the introduction of competition in rail tout court. It depends on the size of the market and on removing a host of barriers; it requires careful PSO definition and costing; also, coordination failures ought to be pre-empted. On the other hand, reform and competition cannot and should not be assessed in a static perspective. Conduct and cost structures will change with reform. Infrastructure and investment in technology are known to generate enormous potential for cost savings, especially when coupled with the EU interoperability programme. All this dynamism may well help to induce entry and further enlarge the (net) welfare gains from EU railway reform. The paper ends with a few pointers for the way forward in EU rail reform.

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Highlights: • Since the collapse of the Soviet Union in 1991, Belarus has maintained a largely non-market economic system. This did not prevent rapid growth of its economy over a sustained period up to 2011. However, the period of economic growth in Belarus seems to be over.The factors that underpinned Belarus’s growth, mainly the beneficial external environment, have gradually disappeared. As a result, the country is confronted by the need to start the far-reaching programme of market-oriented economic reforms and macroeconomic stabilisation which it tried to avoid for so long. Reform will not be easy, economically and politically. • The potential hardship facing Belarus could be at least partly cushioned by external assistance, in the first instance from the International Monetary Fund and the World Bank. However, the IMF has relatively fresh memories of the failure of its 2009-10 Stand-By Arrangement (SBA) with Belarus, which provided substantial balance-of payments support, but which was derailed by its too-narrow focus on monetary and fiscal quantitative performance criteria, and by insufficient reform commitment on the Belarusian side. Other donors, such as the European Union, might be reluctant to offer assistance as long as Belarus does not improve its poor human rights record and start some political reforms.

Report drawn up on behalf of the Committeeon Agriculture on A. the proposals from the Commission of the European Communities to the Council (Doc. 1-893/83-COM(83) 548 final) for: I. a regulation amending Regulation (EEC) No. 804/68 on the common organization of the markets in milk and milk products. II. a regulation laying down general rules applying to the milk sector levy specified in Article 5(c) of Regulation (EEC) No. 804/68. III. a regulation laying down general rules applying to the milk sector levy specified in Article 5(d) of Regulation (EEC) No. 804/68. B. the proposals from the Commission of the European Communities to the Council (Doc. 1-996/83-COM(83) 611 final) for: I. a regulation amending Regulation (EEC No. 1723/81 as regards the possibility of granting aids for the use of butter in the manufacture of certain food-stuffs. II. a regulation amending Regulation (EEC) No. 1411/71 as regards the fat content of drinking milk. III. a regulation laying down general rules on the granting of aid for concentrated skimmed milk and concentrated milk for use as animal feed. IV. a regulation amending Regulation (EEC) No. 1269/79 with regard to the terms for the disposal of butter at a reduced price for direct consumption. C. the proposal from the Commission of the European Communities to the Council (Doc. 1-1113/83)-COM(83) 644 final) for a regulation amending Regulations (EEC) No. 1078/77 introducing a system of premiums for the non-marketing of milk and milk products and for the conversion of dairy herds.

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