996 resultados para Whitehead, Oliver
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Tese de Doutoramento Ciências Empresariais
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Natural product, epothilone, total synthesis, olefin metathesis, aldol reaction
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Magdeburg, Univ., Fak. für Informatik, Diss., 2011
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Magdeburg, Univ., Fak. für Mathematik, Habil.-Schr., 2012
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Magdeburg, Univ., Med. Fak., Diss., 2006
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[s.c.]
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v.1:no.5(1896)
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v.1:no.2(1895)
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v.1:no.4(1896)
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v.1:no.1(1895)
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The type material of Phasmatodea deposited in Brazilian museums and institutions is listed for the first time. New synonyms are proposed: Phibalosoma paulense Toledo Piza, 1938, Phibalosoma rochai Toledo Piza, 1938, Bacteria tuberculata Toledo Piza, 1938 and Bacteria tuberculata var. argentina Toledo Piza, 1938 are junior synonyms of Cladomorphus phyllinus (Gray, 1835). Nineteen new combinations are established.
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In this paper we use micro data from the Spanish Family Expenditure Survey for 1990 to estimate, for the first time, the private and social rates of return of different university degrees in Spain. We compute internal rates of return and include investment on higher education financed by the public purse to estimate social rates of return. Our main finding is that, as presumed, there is large heterogeneity in rates of return amongst different university
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Income distribution in Spain has experienced a substantial improvement towards equalisation during the second half of the seventies and the eighties; a period during which most OECD countries experienced the opposite trend. In spite of the many recent papers on the Spanish income distribution, the period covered by those stops in 1990. The aim of this paper is to extent the analysis to 1996 employing the same methodology and the same data set (ECPF). Our results not only corroborate the (decreasing inequality) trend found by others during the second half of the eighties, but also suggest that this trend extends over the first half of the nineties. We also show that our main conclusions are robust to changes in the equivalence scale, to changes in the definition of income and to potential data contamination. Finally, we analyse some of the causes which may be driving the overall picture of income inequality using two decomposition techniques. From this analyses three variables emerge as the major responsible factors for the observed improvement in the income distribution: education, household composition and socioeconomic situation of the household head.