Financial returns,price determinants,and genre effects in American art investment   总被引：1，自引：1，他引：0  

Richard J. Agnello  Renée K. Pierce 《Journal of Cultural Economics》1996,20(4):359-383

Past studies on art investment generally have found that returns are low and risk is high. In this study we find that the return to art investment is more in line with traditional investments and thus the cost for consumption associated with art seems fairly small. Employing a large sample of paintings by 66 American artists sold at auction between 1971–1992, average returns are found to be over 9 per cent and 3 per cent in nominal and real terms, respectively. The model employs a log linear price regression estimated by pooled cross section and time series data, and allows rates of return as well as hedonic values for various painting and auction attributes to be estimated. These include size, media, age of execution, authenticity of the work, and auction month and house. In addition, rates of return are differentiated by artist, time period of investment, price range and genre of the painting. The findings indicate significant sensitivity of rates of return to these data stratifications.This paper was presented at the 9th international conference of the Association for Cultural Economics, held in Boston, May 8–11, 1996.  相似文献   

Language and culture: Critical components of multicultural teacher education     

Ellen Riojas Clark  Nancy Johnson Nystrom  Bertha Pérez 《The Urban Review》1996,28(2):185-197

This article identifies components of a course on multiculturalism in teacher education. The course proposes four stages of awareness: ethnic identity exploration; development of knowledge in language and literacy acquisition; refinement of a repertoire for cultural ways of teaching and learning; and selection of a teaching style. A variety of readings and activities for teacher education are proposed.  相似文献   

Piaget and school education: A socio-cultural challenge     

Eduardo Martí 《Prospects》1996,26(1):141-158

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Introduction     

György Péteri 《Minerva》1996,34(4):321-322

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The relevance of hedonic price indices     

Olivier Chanel  Louis-André Gérard-Varet  Victor Ginsburgh 《Journal of Cultural Economics》1996,20(1):1-24

We argue that for the case of heterogeneous commodities with infrequent tradings, such as paintings, it is relevant to base a price index on hedonic regressions using all sales and not resales only. To support this conclusion we construct a price index for paintings by Impressionists and their followers and compare the various estimators using bootstrapping techniques.  相似文献   

The use of instructional development in the television series on economic education: give and take     

Magdalena Albero-Andrés 《Instructional Science》1984,13(2):181-191

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L’Enfant face à la tâche: Problèmes à résoudre,difficultés à surmonter     

Genéviève Sastre 《European Journal of Psychology of Education - EJPE》1987,2(1):28-29

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Semiotic mediation in guiding interactions with young children: The role of context and communication handicap on distanciation in adult discourse     

Michel Deleau  Eva Gandon  Véronique Taburet 《European Journal of Psychology of Education - EJPE》1993,8(4):473-486

This paper pays attention to two factors often neglected in the studies of instructional or guidance interaction: the specifity of the child as interlocutor and the constraints exerted by the properties of the tasks on the semiotic means used to guide the child. Following Sigel’s ‘distanciation hypothesis’ we have studied the ‘distancing’ characteristics of the adult’s discourse adressed to the child in two groups of dyads, one with deaf (N=5), the other with hearing children (N=7) aged around 24 months, in two tasks: Symbolic Play and Picture — Book reading. The main results indicate a strong effect of the tasks, SP allowing more distanciation than PB for both categories. D-dyads show few differences in SP task but less ability to share references in Picture-Book reading. It appears also that with such young children, the distancing potential might be conveyed by the forms and pragmatic functions and not only by the semantic components of adult’s utterances.  相似文献   

Uses of the internet in portugal     

Cândido Varela de Freitas Professor of Education  Luís Valente 《Educational technology research and development : ETR & D》2001,49(4):117-120

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Discolouration of Gold Decorations     

Anders G. Nord  Kate Tronner  Christian Thorén 《文物保护研究》2018,63(4):189-193

Discoloured 18-carat gold decorations from Sweden have been analysed by scanning electron microscopy with energy dispersive X-ray spectroscopy and X-ray electron spectroscopy (XPS)/electron spectroscopy for chemical analysis (electron spectroscopy).The original gold composition was close to 75% gold, 13% silver, and 12% copper. After manufacture, many details were boiled in sulphuric acid. As a consequence of this, the surfaces are irregular and porous with a gold concentration around 90% and with less than 1% copper. With XPS the outermost 10–20 atomic layers could be examined. No copper was present here, and the silver concentration was significantly higher. Also carbon, sulphur, oxygen, and (in one case) chlorine were present. The valence numbers indicated that gold only occurred in its metallic state, while silver (as Ag⁺) was preferably associated with sulphur to form black silver sulphide (Ag₂S). The grey discolorations are basically due to silver sulphide and organic dirt. Sometimes green, violet, and ‘copper-shining’ colours occur, presumably as a result of light refraction phenomena.  相似文献