Using the Global Positioning System (GPS) in household surveys for better economics and better policy

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dc.contributor.authorGibson, John
dc.contributor.authorMcKenzie, David
dc.date.accessioned2008-12-14T22:40:36Z
dc.date.available2008-12-14T22:40:36Z
dc.date.issued2007-03
dc.description.abstractDistance and location are important determinants of many choices that economists study. While these variables can sometimes be obtained from secondary data, economists often rely on information that is self-reported by respondents in surveys. These self-reports are used especially for the distance from households or community centers to various features such as roads, markets, schools, clinics and other public services. There is growing evidence that self-reported distance is measured with error and that these errors are correlated with outcomes of interest. In contrast to self-reports, the Global Positioning System (GPS) can determine almost exact location (typically within 15 meters). The falling cost of GPS receivers (typically below US$100) makes it increasingly feasible for field surveys to use GPS as a better method of measuring location and distance. In this paper we review four ways that GPS can lead to better economics and better policy: (i) through constructing instrumental variables that can be used to understand the causal impact of policies, (ii) by helping to understand policy externalities and spillovers, (iii) through better understanding of the access to services, and (iv) by improving the collection of household survey data. We also discuss several pitfalls and unresolved problems with using GPS in household surveys.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationGibson, J. & McKenzie, D. (2007). Using the Global Positioning System (GPS) in household surveys for better economics and better policy. (Department of Economics Working Paper Series, Number 4/07). Hamilton, New Zealand: University of Waikato.en_US
dc.identifier.urihttps://hdl.handle.net/10289/1621
dc.language.isoen
dc.relation.ispartofseriesDepartment of Economics Working Paper Series
dc.subjectdistanceen_US
dc.subjectexternalitiesen_US
dc.subjectglobal positioning systemen_US
dc.subjectlocationen_US
dc.subjectsurvey measurementen_US
dc.titleUsing the Global Positioning System (GPS) in household surveys for better economics and better policyen_US
dc.typeWorking Paperen_US
uow.relation.series4/07
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