An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Chen A, Oster E, Williams H.Chen A, et al. Among authors: williams h.Am Econ J Econ Policy. 2016 May;8(2):89-124. doi: 10.1257/pol.20140224.Am Econ J Econ Policy. 2016.PMID: 27158418Free PMC article.
Budish E, Roin BN, Williams H.Budish E, et al. Among authors: williams h.Am Econ Rev. 2015 Jul;105(7):2044-2085. doi: 10.1257/aer.20131176.Am Econ Rev. 2015.PMID: 26345455Free PMC article.
Finkelstein A, Gentzkow M, Williams H.Finkelstein A, et al. Among authors: williams h.Am Econ Rev. 2021 Aug;111(8):2697-2735. doi: 10.1257/aer.20190825.Am Econ Rev. 2021.PMID: 34887592Free PMC article.