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Innovation, R&D Spillovers and Productivity: The Role of Knowledge-Intensive Services 创新、研发溢出与生产率:知识密集型服务业的作用
GeographyRN: Economic Activity & Economies (Sub-Topic) Pub Date : 2007-11-01 DOI: 10.2139/ssrn.1847568
Agustí Segarra‐Blasco
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引用次数: 42
Estimating Poverty Over Time and Space: Construction of a Time-Variant Poverty Index for Costa Rica 随时间和空间估算贫困:哥斯达黎加时变贫困指数的构建
GeographyRN: Economic Activity & Economies (Sub-Topic) Pub Date : 1900-01-01 DOI: 10.2139/ssrn.3307565
R. Cavatassi, B. Davis, L. Lipper
{"title":"Estimating Poverty Over Time and Space: Construction of a Time-Variant Poverty Index for Costa Rica","authors":"R. Cavatassi, B. Davis, L. Lipper","doi":"10.2139/ssrn.3307565","DOIUrl":"https://doi.org/10.2139/ssrn.3307565","url":null,"abstract":"This paper presents the construction of a spatially explicit, nationally disaggregated measure of poverty over time in Costa Rica. The paper first describes the two possible methods considered for the construction of a poverty map: principal component analysis (PCA) versus small area estimation. Next, reasons for choosing PCA and a description of its application both at one point in time (1973) and over time are presented together with the resulting poverty maps. The methodology applied represents a methodological innovation in that the resulting poverty map is time variant rather than concentrated in a single moment in time. A comparison of the results obtainable using various techniques and a discussion on the relative merits of the various options available concludes the paper.","PeriodicalId":162363,"journal":{"name":"GeographyRN: Economic Activity & Economies (Sub-Topic)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126592497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 48
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