Determinants of A Digital Divide In Sub-Saharan Africa: A Spatial Econometric Analysis of Cell Phone Coverage
Most discussions of the digital divide treat it as a "North-South" issue, but the conventional dichotomy doesn't apply to cell phones in Sub-Saharan Africa. Although almost all Sub-Saharan countries are poor by international standards, they exhibit great disparities in coverage by cel...
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Washington, D.C
The World Bank
2008
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| Schlagworte: | |
| Online-Zugang: | Volltext |
| Zusammenfassung: | Most discussions of the digital divide treat it as a "North-South" issue, but the conventional dichotomy doesn't apply to cell phones in Sub-Saharan Africa. Although almost all Sub-Saharan countries are poor by international standards, they exhibit great disparities in coverage by cell telephone systems. Buys, Dasgupta, Thomas and Wheeler investigate the determinants of these disparities with a spatially-disaggregated model that employs locational information for cell-phone towers across over 990,000 4.6-km grid squares in Sub-Saharan Africa. Using probit techniques, a probability model with adjustments for spatial autocorrelation has been estimated that relates the likelihood of cell-tower location within a grid square to potential market size (proximate population); installation and maintenance cost factors related to accessibility (elevation, slope, distance from a main road, distance from the nearest large city); and national competition policy. Probit estimates indicate strong, significant results for the supply-demand variables, and very strong results for the competition policy index. Simulations based on the econometric results suggest that a generalized improvement in competition policy to a level that currently characterizes the best-performing states in Sub-Saharan Africa could lead to huge improvements in cell-phone area coverage for many states currently with poor policy performance, and an overall coverage increase of nearly 100 percent |
| Beschreibung: | 1 Online-Ressource (26 Seiten) |
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| 520 | 1 | |a Most discussions of the digital divide treat it as a "North-South" issue, but the conventional dichotomy doesn't apply to cell phones in Sub-Saharan Africa. Although almost all Sub-Saharan countries are poor by international standards, they exhibit great disparities in coverage by cell telephone systems. Buys, Dasgupta, Thomas and Wheeler investigate the determinants of these disparities with a spatially-disaggregated model that employs locational information for cell-phone towers across over 990,000 4.6-km grid squares in Sub-Saharan Africa. Using probit techniques, a probability model with adjustments for spatial autocorrelation has been estimated that relates the likelihood of cell-tower location within a grid square to potential market size (proximate population); installation and maintenance cost factors related to accessibility (elevation, slope, distance from a main road, distance from the nearest large city); and national competition policy. Probit estimates indicate strong, significant results for the supply-demand variables, and very strong results for the competition policy index. Simulations based on the econometric results suggest that a generalized improvement in competition policy to a level that currently characterizes the best-performing states in Sub-Saharan Africa could lead to huge improvements in cell-phone area coverage for many states currently with poor policy performance, and an overall coverage increase of nearly 100 percent | |
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| publisher | The World Bank |
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| spellingShingle | Buys, Piet Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage |
| title | Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage |
| title_auth | Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage |
| title_exact_search | Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage |
| title_full | Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage Buys, Piet |
| title_fullStr | Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage Buys, Piet |
| title_full_unstemmed | Determinants of A Digital Divide In Sub-Saharan Africa A Spatial Econometric Analysis of Cell Phone Coverage Buys, Piet |
| title_short | Determinants of A Digital Divide In Sub-Saharan Africa |
| title_sort | determinants of a digital divide in sub saharan africa a spatial econometric analysis of cell phone coverage |
| title_sub | A Spatial Econometric Analysis of Cell Phone Coverage |
| url | http://elibrary.worldbank.org/content/workingpaper/10.1596/1813-9450-4516 |
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