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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Empirica 23 (1996), S. 25-58 
    ISSN: 1573-6911
    Keywords: EMU ; Maastricht Treaty ; fiscal criteria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract The paper investigates the rationale for, and the effectiveness of the fiscal criteria in the Maastricht treaty against the background of two questions: What are the incentives for an unsound fiscal policy in EMU, and what are the (potential) negative externalities if such a policy were to occur. The paper argues that EMU creates both incentives for a higher fiscal deficit while respecting solvency, and incentives for not rectifying a potentially unsustainable debt level once one is a member. Unsound fiscal policy could trigger important negative extermalities for the other member countries. The paper concludes that the current fiscal provisions of the Maastricht treaty are not sufficiently well defined and the envisaged sanctions not strong enough to enforce a disciplined fiscal stance. This leads to proposals of supplementary measures for surveillance and alternative sanctions. Staying within the framework of the Maastricht treaty, it is strongly suggested that both debt and deficit criteria should be strictly surveyed, but in view of their conceptual and operational deficiencies they should be supplemented by additional indicators. Based on this broader measurement concept, it is proposed to use semi-automatic and market-led sanctions to enforce a disciplined fiscal stance.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Plant cell, tissue and organ culture 28 (1992), S. 289-296 
    ISSN: 1573-5044
    Keywords: anther culture ; Brassica oleracea ; cauliflower ; culture conditions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Experiments on three autumn-heading cauliflower genotypes (2 hybrids and a genotype selected from a population) were conducted to study different factors affecting anther culture. Culture conditions of the donor plants proved to be important: the best results were obtained during spring in a greenhouse where the temperature was maintained between 10 and 20°C. Overall winter and spring seemed more suitable than summer and early autumn for culture establishment. The optimal bud development stage depended on the genotype: for the hybrid 702, the greatest number of embryos for 100 plated anthers was obtained at the uninucleate pollen stage of the microspores; for V23.2 and 703, the optimal stage of the buds corresponded to the first mitotic division. Sucrose proved to be the best carbon supply for embryogenesis with an optimal concentration of 140 g l-1. The addition of a cytokinin (BAP) in the medium led to lower embryo production, and this negative effect increased when the hormone concentration in the medium increased. The use of liquid medium and a dark incubation period immediately after the high temperature treatment were favourable for embryogenesis.
    Type of Medium: Electronic Resource
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