| 1. |
- Ceccato, Vania, 1968-, et al.
(författare)
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A new information theoretical measure of global and local spatial association
- 2002
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Ingår i: The Review of Regional Research. - 0173-7600. ; 22:1, s. 13-40
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Tidskriftsartikel (refereegranskat)abstract
- In this paper a new measure of spatial association, the S statistics, is developed.The proposed measure is based on information theory by defininga spatially weighted information measure (entropy measure) that takes thespatial configuration into account. The proposed S-statistics has an intuitiveinterpretation, and furthermore fulfils properties that are expected from anentropy measure. Moreover, the S statistics is a global measure of spatialassociation that can be decomposed into Local Indicators of Spatial Association(LISA). This new measure is tested using a dataset of employmentin the culture sector that was attached to the wards over Stockholm Countyand later compared with the results from current global and local measuresof spatial association. It is shown that the proposed S statistics share manyproperties with Moran’s I and Getis-Ord Gi statistics. The local Si statisticsshowed significant spatial association similar to the Gi statistic, but has the advantage of being possible to aggregate to a global measure of spatialassociation. The statistics can also be extended to bivariate distributions.It is shown that the commonly used Bayesian empirical approach can beinterpreted as a Kullback-Leibler divergence measure. An advantage of Sstatisticsis that this measure select only the most robust clusters, eliminatingthe contribution of smaller ones composed by few observations and that mayinflate the global measure.
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| 2. |
- Ceccato, Vânia Aparecida, 1968-
(författare)
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UNDERSTANDING URBAN PATTERNS Qualitative and Quantitative Approaches
- 2001
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- In this thesis, the main field of study is urban patternsand the methodological issues involving the analysis of spatialdata across urban space. Four particular aspects are chosen toillustrate the dynamics of urban space, using Stockholm Countyas case study. The first aspect deals with residential qualityby comparing three case study areas through use of amultiple-method approach. The second deals with urban areas astargets of planning actions or arenas of citizen participation.Urban areas as risky environments are assessed by looking atchanges in crime patterns since the 1980's, using spatialstatistical measures and Geographic Information Systems (GIS),which in itself constitutes the third chosen aspect underreview. The fourth and final aspect exemplifies the city as aplace of production through the analysis of clusters ofemployment within the culture sector. Paper I (Ceccato, 1998) deals with the assessment ofresidential quality of life in three case study areas inStockholm County and constitutes the Licentiate thesis. Paper II (Ceccato&Snickars, 2000) argues for a new useof Geographic Information Systems-GIS in local planning as anauxiliary tool for decision-making. Paper III (Ceccato et al., 2001) investigates changes sincethe early 1980's in offence patterns for residential burglary,theft of and from cars, and vandalism in Stockholm City usingmethods from spatial statistics. Paper IV (Ceccato&Karlström, 2000) proposes a newmeasure of spatial association, the S-statistic, which istested using a data set of employment in the cultural sectoracross the Stockholm County.
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| 3. |
- Ceccato, Vania, 1968-
(författare)
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Assessing the Impact of Modernization on Fertilty : The Case of Mozambique
- 2000
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Mozambique is one of the poorest countries in the world. It also has one of the world’shighest birth rates. Until recently there has been virtually no way to studyMozambique’s high fertility because of the civil war. This paper uses a very recentsurvey of Mozambican women from 1997. The objective of this paper is to assess theimpact of modernization on fertility in Mozambique, using as a background the“supply-demand theory” presented by Easterlin and Crimmins (1985). The first part ofthis paper describes the indicators of modernization for Mozambique by using maps,and indicates eventual correlations. The second part deals with the estimation ofequations for demand for children, the supply of children and the use of contraception.The third part shows how the modernization variables visualized in the first part of thepaper influence all these equations. The results show that the country has one of thehighest demands for children in the world, but also one of the largest supply of children,followed by high infant and child mortality. In many provinces, the regulation costs arestill high. Those who deliberately use contraceptives already have many children.Among the modernization variables, education is the factor that most affects supply,demand and also regulation costs in Mozambique.
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| 4. |
- Ceccato, Vania, 1968-, et al.
(författare)
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Differential Economic Performance (DEP) in the periphery: evidence from Swedish rural areas
- 2003
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Ingår i: European Journal of Spatial Development. - 1650-9544. ; 7
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Tidskriftsartikel (refereegranskat)abstract
- Understanding Differential Economic Performance (DEP) at the local andregional level is a key element in devising practical strategies and programmes forsustainable regional development in different contexts. This paper contributes to theunderstanding of the factors underlying persistent differences in DEP between rurallocalities. The basic hypothesis is that the DEP of rural areas can be explained by acombination of ‘tangible’ and ‘less tangible’ factors and the way in which these interactin specific national, regional and local contexts. Natural and human resources,infrastructure, economic structure and investments are together with institutions,networks and community values the most decisive factors that help to characterise DEPfor the Swedish case studies. Findings show that such factors not only define the differentopportunities and constraints for local development, but also illustrate how effective thelocal and regional system is in tapping into resources and opportunities and inameliorating constraints. This sheds light on the importance of taking a broaderperspective regarding policies towards regional development, making them much morefocused on contextual and environmental aspects than uni-faceted, sectoral measures. Thepaper also provides a discussion of the implications of the results for policy and gives anaccount of new research questions for future studies.
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| 5. |
- Ceccato, Vania, 1968-, et al.
(författare)
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Forskning om och för landsbygds- och glesbygdsutveckling
- 2000
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Ingår i: Kungl. Skogs- och Lantbruksakademiens Tidskrift. - Stockholm : Kungl. Skogs- och Lantbruksakademien. - 0023-5350. ; 139:11
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 6. |
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| 7. |
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| 8. |
- Persson, Lars Olof, et al.
(författare)
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DORA - Dynamics of rural areas: National Report - Sweden
- 2001
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The aim of this study is to investigate the reasons for good and bad economic performance indifferent rural areas and, in particular, to investigate the role of tangible and less tangiblefactors in influencing development outcomes1. The core research question can be stated as:Why do rural areas in apparently similar economic, social and environmental circumstanceshave markedly different performance over relatively long periods of time? The basicresearch hypothesis is that the differential development of rural areas can be explained by acombination of ‘tangible’ and ‘less tangible’ factors and the way in which these interact inspecific national, regional and local contexts. Such factors not only define differentopportunities and constraints for local development, but also illustrate how effective the localand regional system is in tapping resources and opportunities and ameliorating constraints.
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