id	domain	url
easat-8505	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-8505	doi.org	https://doi.org/10.1257/jel.38.3.595
easat-8505	doi.org	https://doi.org/10.2307/2626876
easat-8505	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-8505	doi.org	https://doi.org/10.1257/jel.38.3.595
easat-8505	doi.org	https://doi.org/10.2307/2626876
easat-8505	doi.org	https://doi.org/10.1086/228311
easat-8505	doi.org	https://doi.org/10.1086/228311