This paper compares social and cultural handling of addicted persons in three large-scale nation states: Russia, China and the United States鈥攁ll three of... Barbara,Frankel - 《Journal of Drug Issues》 被引量: 2发表: 1980年 Sustainability, Vol. 9, Pages 934: Non-Homogeneous Diffusion of...
Center for Policy Research Working Paper No. 14 GEOGRAPHY, INDUSTRIAL ORGANIZATION, AND AGGLOMERATION This paper makes two contributions to the empirical literature on agglomeration economies. First, the paper uses a unique and rich database in conjunction ... SS Rosenthal,WC Strange 被引量: 2发表...
The dataset presented in this paper has been constructed using these data, covering a period ranging from 1836 to 1975. Even though the first patent dates back to 1790, coverage between 1790 and 1836 is scattered and not entirely reliable. This is because a fire at the USPTO destroyed the ...
摘要: In this paper the author focuses on the changing location and population density of the Jews in the Unites States and New York City. On the national level the author uses two summary statistics, population center of gravity, and scatter over area....
Taylor & Francis Online :: The Campanian Terlingua local fauna, with a summary of other vertebrates from the Aguja Formation, Trans-Pecos Texas - Journal o... The Terlingua local fauna is a rich assemblage of predominantly terrestrial micro vertebrates from the Upper Cretaceous Aguja Formation of...
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5 concludes the paper. 2 The model The economy consists of two regions, indexed by 1 and 2, and there are two types of workers: skilled and unskilled. The total number of skilled workers is H. I assume that they are freely mobile across regions in the long run. The number of ...
In this paper a combination of literature analysis, historical research and the results of original fieldwork is used to review the impact of animal translocation from ancient times to the present on the vertebrate zoogeography of Wallacea, New Guinea and the Northern Melanesian Islands, referred ...
This paper offers unique insights into the distribution of damage to bus shelters, in a singlecase study area, Merseyside (UK). The geography of bus shelter damage is examined inrelation to the criminogenic and socio-economic characteris... A Newton,K Bowers - 《Internet Journal of Criminolog...
(NACE) is reported. As this paper focuses on the ICT sector, we restrict analysis to firms with the NACE code of that sector.Footnote10Table8in the appendix provides a summary of these classification codes. We do not consider firms outside this these classification codes, and hence cross-...