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Authors
Dixon, Anthony
Farrell, Graham https://orcid.org/0000-0002-3987-8457
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Funding
Funding for this research was provided by:
Economic and Social Research Council (RES-000-22-2386, ES/K003771/1 + 2, ES/L014971/1 + 2)
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Article History
Received: 31 January 2020
Accepted: 17 September 2020
First Online: 1 October 2020
Change Date: 28 October 2020
Change Type: Update
Change Details: Appendix figures moved to Appendix section with smaller size matching the figures in main text and change the citation “Figs. 6a–c and 7 a–c” to “Figs. 4a–c and 5a–c” in “Constrained method for period effects”.
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
