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  • 1
    Digitale Medien
    Digitale Medien
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd.
    Review of international economics 9 (2001), S. 0 
    ISSN: 1467-9396
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Notizen: Owing to their low bargaining power and high negotiation costs, microstates face severe disadvantages when dealing with the outside world. Forming a group with neighboring nations might be an effective instrument to address this problem. This paper presents a model in which the decision to form, expand or join a regional club is based on negotiation costs and bargaining power rather than on the traditional costs and benefits of trade integration. The model is used to determine the optimal and the equilibrium group size under various entry conditions. The welfare implications of the entry conditions are also examined.
    Materialart: Digitale Medien
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    The @world economy 27 (2004), S. 0 
    ISSN: 1467-9701
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Rechtswissenschaft , Wirtschaftswissenschaften
    Notizen: This paper draws on Hinkle and Schiff (2003). It analyses the planned Economic Partnership Agreements (EPAs) between the EU and Sub-Saharan Africa (SSA) from a development perspective. It does not take a position on whether SSA should enter into EPAs with the EU. Rather, it starts from the notion that the process of forming EPAs is unlikely to be reversed and examines the conditions that will maximise SSA's benefits from the EPAs. If this notion is correct, then the analysis presented in the paper applies. On the other hand, Pascal Lamy, the EU Trade Commissioner, made a proposal at the May 2004 G-90 summit in Dakar that might lead to a change in the EPA process. He proposed that the G-90, a group consisting of ACP and non-ACP LDC countries, should not have to make concessions at the WTO Doha Round of multilateral trade negotiations, i.e., he proposed a ‘free round’ for the G-90. This proposal opens the door to the possibility that the same might apply to the ACP countries in the EU-ACP negotiations and that the EPA process might be reversed. The paper considers the key issues raised by the planned EPAs, their relationship to the WTO's Doha Round and the EU's Everything-but-Arms Initiative, the changes needed to make the EPAs internally consistent, the domestic reforms in SSA that would need to accompany trade liberalisation in both goods and services, and the potential effects of the EPAs on regional integration in SSA. The EPAs will pose a number of policy challenges for SSA countries, including: restructuring of indirect tax systems, reduction of MFN tariffs, liberalisation of service imports on an MFN basis and related regulatory reforms in the services sector, and liberalisation of trade in both goods and services within the regional trading blocs in SSA. The paper also finds that the EPAs provide an opportunity to accelerate regional and global trade integration in SSA. To realise the potential development benefits of the planned EPAs, two steps are essential. First, the EU must, as it has stated, truly treat the EPAs as instruments of development, subordinating its commercial interests in the agreements to the development needs of SSA. Second, the SSA countries need to implement a number of EPA-related trade policy reforms. However, the latter is far from certain, given the lack of reform momentum in SSA.
    Materialart: Digitale Medien
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  • 3
    Digitale Medien
    Digitale Medien
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 80 (2002), S. 685-687 
    ISSN: 1077-3118
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: We present intensity-modulated photocurrent and infrared transmittance measurements on dye-sensitized solar cells based on a mesoporous titania (TiO2) matrix immersed in an iodine-based electrolyte. Under short-circuit conditions, we show that an elementary analysis accurately relates the two measurements. Under open-circuit conditions, infrared transmittance, and photovoltage measurements yield information on the characteristic depth at which electrons recombine with ions (the "locus of recombination"). For one particular series of samples recombination occurred near the substrate supporting the titania film, as opposed to homogeneously throughout the film. © 2002 American Institute of Physics.
    Materialart: Digitale Medien
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  • 4
    Digitale Medien
    Digitale Medien
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 78 (2001), S. 1924-1926 
    ISSN: 1077-3118
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: We report electromodulated reflectance spectra in n-i-p solar cells with hydrogenated amorphous silicon–germanium alloy absorber layers. At lower photon energies the spectra are determined by bulk electroabsorption, and exhibit peaks near the optical gap of the absorber layers. Voltage scaling of the electroabsorption spectra indicate a built-in potential of Vbi=1.17 V in cells with absorber layer band gaps of 1.50 eV; in conjunction with earlier work, this value argues against a systematic decline in Vbi with an absorber layer band gap. At higher photon energies the spectra are due to direct electroreflectance; the voltage scaling was consistent with model predictions for the electric field at the interface of the p-type and absorber layers. © 2001 American Institute of Physics.
    Materialart: Digitale Medien
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  • 5
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Family process 42 (2003), S. 0 
    ISSN: 1545-5300
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Psychologie
    Notizen: The current study will examine behavioral difficulties among a sample of African American urban youth who were exposed to violence. Possible gender differences in disruptive behavioral difficulties, as well as possible associations between parental practices, family relationships, and youth disruptive behavioral difficulties are examined. A secondary data analysis from baseline data for 125 African American urban mothers and their children collected as part of a large-scale, urban, family-based, HIV prevention research study was analyzed. Findings reveal that externalizing behavioral problems in youth are associated with exposure to violence. Girls displayed significantly higher levels of externalizing behavioral difficulties than boys. Mothers' parenting practices and family relationships were associated with youths' externalizing behavior problems. Implications for interventions to reduce youths' exposure to violence and to develop gender sensitive interventions for youth and supportive interventions for their parents are discussed.
    Materialart: Digitale Medien
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  • 6
    Digitale Medien
    Digitale Medien
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd
    The @world economy 25 (2002), S. 0 
    ISSN: 1467-9701
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Rechtswissenschaft , Wirtschaftswissenschaften
    Notizen: This paper examines the economics, politics and political economy of Chile's trade and regional integration (RI) policies, and reaches the following conclusions. First, Chile is likely to obtain static and dynamic benefits from a free trade agreement (FTA) with the US, though the benefits depend crucially on the extent to which its market access to the US improves and on the costs of implementing the intellectual property rights agreement and of enforcing the rules of origin. Second, potential benefits are more doubtful with respect to FTAs with MERCOSUR and the Andean Pact and Central American countries.Third, Chile should complement its ongoing negotiations with the EU by negotiating FTAs with key Asian countries.Fourth, Chile should bind all its tariffs at the WTO at the applied MFN uniform tariff rate. Fifth, the uniform MFN tariff should be reduced below six percent after 2003.
    Materialart: Digitale Medien
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  • 7
    Digitale Medien
    Digitale Medien
    Oxford, UK and Malden, USA : Blackwell Science Ltd
    BJOG 111 (2004), S. 0 
    ISSN: 1471-0528
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Objective  To evaluate the sex ratio among pregnancies complicated by first trimester hyperemesis gravidarum and extend previous findings to include a measure of severity.Design  Population-based case control study.Setting  All non-federal hospitals in Washington State.Population  Two thousand and one hundred and ten pregnant women hospitalised for hyperemesis gravidarum and 9783 pregnant women without hyperemesis gravidarum.Methods  The infant sex ratio for pregnant women admitted to the hospital for hyperemesis gravidarum was evaluated using the Washington State hospital discharge database linked to the birth certificate database for years 1987–1996. Cases were pregnant women hospitalised for hyperemesis gravidarum (International Classification for Diseases—9th edition [ICD-9] diagnosis code 643) in the first trimester. Controls were women who experienced a singleton live birth and were not hospitalised for hyperemesis in Washington State during the same time period. Regression analysis with general estimating equations was used to calculate an odds ratio (OR) and 95% confidence interval (CI) to assess the association of hyperemesis gravidarum with infant sex ratio.Main outcome measure  Infant sex ratio.Results  Pregnant women hospitalised for hyperemesis gravidarum in the first trimester had a 50% increased odds of having a female infant compared with controls (OR 1.5, 95% CI 1.4, 1.7). Women hospitalised for three or more days had the greatest odds of having a female infant compared with control women (OR 1.8, 95% CI 1.5, 2.0).Conclusion  Hyperemesis gravidarum is associated with an increase in female live births and may be a marker for high oestrogen levels in utero.
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd.
    Review of international economics 12 (2004), S. 0 
    ISSN: 1467-9396
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Notizen: Labor market integration raises welfare in the absence of distortions. This paper examines labor and goods market integration in a general-equilibrium model with social capital. The findings are: (i) labor market integration has an ambiguous impact on welfare, and raises it if the goods and labor skills are sufficiently different; (ii) compared to Pareto optimum, labor mobility (social capital) is excessively large (depleted); (iii) trade is superior to labor market integration if trading costs are no higher than private migration costs, otherwise the outcome is ambiguous; and (iv) the creation of new institutions in response to labor market integration has an ambiguous impact on welfare.
    Materialart: Digitale Medien
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  • 9
    Digitale Medien
    Digitale Medien
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Nuclear and Particle Science 50 (2000), S. 37-69 
    ISSN: 0163-8998
    Quelle: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Thema: Physik
    Notizen: Abstract We review the propagation of energetic partons in hot or cold QCD matter, as known from recent work. We summarize advances in the understanding of both collisional and radiative energy loss. Our emphasis is on radiative energy loss, which has very interesting properties that may help to detect the quark-gluon plasma produced in heavy-ion collisions. We describe two different theoretical approaches, which lead to the same radiated gluon energy spectrum. The case of a longitudinally expanding QCD plasma is investigated. The energy lost by a jet with given opening angle is calculated with the aim of making predictions for the suppression (quenching) of hard jet production. Phenomenological implications for the difference between hot and cold matter are discussed. Numerical estimates of the loss suggest that it may be significantly greater in hot matter than in cold. This makes the magnitude of the radiative energy loss a remarkable signal for quark-gluon plasma formation.
    Materialart: Digitale Medien
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  • 10
    Digitale Medien
    Digitale Medien
    Copenhagen : Munksgaard International Publishers
    Immunological reviews 178 (2000), S. 0 
    ISSN: 1600-065X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
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