== Abstract ==

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We investigate the impact of the Golden Quadrilateral (GQ) highway project on the Indian organized manufacturing sector using enterprise data. The GQ project upgraded the quality and width of 5,846 km of roads in India. We use a difference-in-difference estimation strategy to compare non-nodal districts based upon their distance from the highway system. We find several positive effects for non-nodal districts located 0-10 km from GQ that are not present in districts 10-50 km away, most notably higher entry rates and increases in plant productivity. These results are not present for districts located on another major highway system, the North-South East-West corridor (NS-EW). Improvements for portions of the NS-EW system were planned to occur at the same time as GQ but were subsequently delayed. Additional tests show that the GQ project's effect operates in part through a stronger sorting of land-intensive industries from nodal districts to non-nodal districts located on the GQ network. The GQ upgrades further helped spread economic activity to moderate-density districts and intermediate cities.

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Document type: Preprint

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== Full document ==

<pdf>Media:Draft_Content_666359400-beopen879-2296-document.pdf</pdf>

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== Original document ==

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The different versions of the original document can be found in:

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* [http://dx.doi.org/10.1111/ecoj.12207 http://dx.doi.org/10.1111/ecoj.12207] under the license http://creativecommons.org/licenses/by/4.0

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* [http://dx.doi.org/10.2139/ssrn.2172892 http://dx.doi.org/10.2139/ssrn.2172892]

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* [http://dx.doi.org/10.3386/w18524 http://dx.doi.org/10.3386/w18524]

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* [http://nrs.harvard.edu/urn-3:HUL.InstRepos:13135314 http://nrs.harvard.edu/urn-3:HUL.InstRepos:13135314]

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* [http://www.hbs.edu/faculty/pages/download.aspx?name=13-040.pdf http://www.hbs.edu/faculty/pages/download.aspx?name=13-040.pdf]

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* [http://www.nber.org/papers/w18524.pdf http://www.nber.org/papers/w18524.pdf]

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* [https://dash.harvard.edu/bitstream/1/10208238/1/13-040%20Nov%202012.pdf https://dash.harvard.edu/bitstream/1/10208238/1/13-040%20Nov%202012.pdf]

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* [https://doi.org/10.1111/ecoj.12207 https://doi.org/10.1111/ecoj.12207] under the license cc-by

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* [https://doi.org/10.3386/w18524 https://doi.org/10.3386/w18524]

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: [https://academic.microsoft.com/#/detail/2109835778 https://academic.microsoft.com/#/detail/2109835778]

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* [https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fecoj.12207 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fecoj.12207],

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: [http://dx.doi.org/10.1111/ecoj.12207 http://dx.doi.org/10.1111/ecoj.12207] under the license http://doi.wiley.com/10.1002/tdm_license_1.1

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DOIS: 10.1111/ecoj.12207 10.1111/ecoj.12207/abstract 10.2139/ssrn.2172892 10.3386/w18524

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