Novan, Kevin; Smith, Aaron; Zhou, Tianxia (September 24, 2020). "Residential Building Codes Do Save Energy: Evidence from Hourly Smart-Meter Data". The Review of Economics and Statistics. 104 (3): 483–500. doi:10.1162/rest_a_00967. ISSN0034-6535.
Novan, Kevin; Smith, Aaron; Zhou, Tianxia (September 24, 2020). "Residential Building Codes Do Save Energy: Evidence from Hourly Smart-Meter Data". The Review of Economics and Statistics. 104 (3): 483–500. doi:10.1162/rest_a_00967. ISSN0034-6535.