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Complex dynamics of our economic life on different scales : insights from search engine query data
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Preis, Tobias, Reith, D. and Stanley, H. Eugene (2010) Complex dynamics of our economic life on different scales : insights from search engine query data. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol.368 (No.1933). pp. 5707-5719. doi:10.1098/rsta.2010.0284 ISSN 1364-503X.
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Official URL: http://dx.doi.org/10.1098/rsta.2010.0284
Abstract
Search engine query data deliver insight into the behaviour of individuals who are the smallest possible scale of our economic life. Individuals are submitting several hundred million search engine queries around the world each day. We study weekly search volume data for various search terms from 2004 to 2010 that are offered by the search engine Google for scientific use, providing information about our economic life on an aggregated collective level. We ask the question whether there is a link between search volume data and financial market fluctuations on a weekly time scale. Both collective ‘swarm intelligence’ of Internet users and the group of financial market participants can be regarded as a complex system of many interacting subunits that react quickly to external changes. We find clear evidence that weekly transaction volumes of S&P 500 companies are correlated with weekly search volume of corresponding company names. Furthermore, we apply a recently introduced method for quantifying complex correlations in time series with which we find a clear tendency that search volume time series and transaction volume time series show recurring patterns.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Social Sciences > Warwick Business School > Behavioural Science Faculty of Social Sciences > Warwick Business School > Finance Group Faculty of Social Sciences > Warwick Business School |
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Journal or Publication Title: | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences | ||||
Publisher: | The Royal Society Publishing | ||||
ISSN: | 1364-503X | ||||
Official Date: | 2010 | ||||
Dates: |
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Volume: | Vol.368 | ||||
Number: | No.1933 | ||||
Page Range: | pp. 5707-5719 | ||||
DOI: | 10.1098/rsta.2010.0284 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published |
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