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α: calibrated so average coauthorship-adjusted count equals average raw count
This paper relates the size of the present-day LGBT population to the discovery of gold during the nineteenth century gold rushes. Comparing the surroundings of gold rush counties to other mining counties, we find that there are currently 15% more same-sex couples in former gold rush counties and that residents of these counties have more favorable attitudes toward homosexuality. Gold rush counties were initially isolated, mostly uninhabited and lacked strong formal institutions, which helped shaping pro-LGBT attitudes. Examining channels of persistence, we provide empirical evidence for selective migration and the lack of strong religious institutions.