“…While there is an extensive comparative literature on candidate selection and recruitment, standard surveys (e.g., Gallagher and Marsh 1988;Norris 1997) do 1 The terms "static ambition" and "progressive ambition" stem from seminal work on US politics including Black (1972), Rohde (1979), and Schlesinger (1966). 2 Participants in the "administrative data revolution" include, Dahlgaard and Pedersen (2020), Dancygier et al (2015), Hyytinen et al (2018a), and Oskarsson, Dawes, and Lindgren (2018) and a spate of papers, including Bhusal et al (2020) and Thompson et al (2019), directly inspired by Dal Bó et al (2017). not mention the possibility that parties use seniority systems in allocating their nominations.…”