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排序方式: 共有74条查询结果,搜索用时 31 毫秒
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Fosca Mariani Zini Nadine Vanwelkenhuyzen Philippe Drieux Alain Tallon Françoise Waquet Laurence Devillairs Geneviève Brykman Patrick Gautier Dalché Mai Lequan Emmanuel Poulle Bruno Neveu Mikhaïl Xifaras Claude Blanckaert Jean-Yves Goffi 《Revue de synthèse / Centre international de synthèse》1998,119(1):131-166
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This paper focuses on panel data models combining spatial dependence with a nested (hierarchical) structure. We use a generalized moments estimator to estimate the spatial autoregressive parameter and the variance components of the disturbance process. A spatial counterpart of the Cochrane‐Orcutt transformation leads to a feasible generalized least squares procedure to estimate the regression parameters. Monte Carlo simulations show that our estimators perform well in terms of root mean square error compared to the maximum likelihood estimator. The approach is applied to English house price data for districts nested within counties. 相似文献
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ABSTRACT. This paper presents a new approach in the modeling of residential choices for simulation purpose. The originality of the approach resides in the way recent developments in stochastic choice models are combined with deterministic mathematical programming which allows to define an equilibration process for simulation. In that respect, ex ante probabilities of housing choice based on random utility maximization under perceived constraints are distinguished from ex post probabilities of choice that respect supply constraints. The proposed model is tested on the Montreal Metropolitan Region, and a few simulation results based on a scenario of population aging and decrease in household size are analyzed. 相似文献
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Alain Testart 《Oceania; a journal devoted to the study of the native peoples of Australia, New Guinea, and the Islands of the Pacific》1989,60(1):1-16
This paper seeks to show that while the idea of reciprocity is fundamental in Australian Aboriginal societies, inequalities are also inherent in the kinship system itself. An attempt is then made to articulate these two aspects and to specify the form of social inequality which is characteristic of Australia. Cet article prétend montrer, d'une part, que l'idée de réciprocité est fondamentale dans les sociétés australiennes, d'autre part, que les inégalités le sont tout autant dans la mesure où elles sont insuites et fondeés dans la parenté elle-même. Il cherche aussi à montrer comment réciprocité et inégalité s'articulent entre elles. Enfin, it tente de spécifier la forme d'inégalité sociale caractéristique de l'Australie. 相似文献
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Guillaume Guérin Emmanuel Discamps Christelle Lahaye Norbert Mercier Pierre Guibert Alain Turq Harold L. Dibble Shannon P. McPherron Dennis Sandgathe Paul Goldberg Mayank Jain Kristina Thomsen Marylène Patou-Mathis Jean-Christophe Castel Marie-Cécile Soulier 《Journal of archaeological science》2012
Roc de Marsal has yielded numerous remains of Mousterian occupations, including lithics, fauna and combustion features. It was made famous by the discovery of the skeleton of a Neanderthal child. Given the need to date the sequence, TL and OSL were applied on heated flints and quartz, and OSL on unheated quartz. Chronological results combined with palaeoenvironmental data – faunal remains and micromorphological features in the sediments from the cave, pollen proxies and faunal remains from the region – allowed us to place climate variations in southwest France on a numerical time scale. Denticulate Mousterian occupations were dated to the middle of MIS 4 (65–70 ka) and Quina layers either to the very end of MIS 4 or to MIS 3. Interestingly, a faunal pattern showing a mix of red deer, roe deer and reindeer was found to have occurred during MIS 4, which was shown to be consistent with data from other similar sites in southwest France. 相似文献
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Bernard A 《Revue de synthèse / Centre international de synthèse》2010,131(4):495-521
The paper explores the historical reasons why Ptolemy's Almagest was cultivated in Antiquity as a legitimate part of ancient culture. It tries to elucidate first the precise nature of Ptolemy's project in the Almagest, its relation to ethics as well as to the particular conception that Ptolemy had of mathematics. It then proposes an explanation for the fact that this treatise, both in Ptolemy's period and afterwards, was studied within the milieu of ancient astrologers. 相似文献