The evidence suggests that career concerns and political ambition can shape legislators’ behavior, but it does not establish a general rule that more career-oriented politicians make the status quo force stronger. A formal model of reputation-concerned policymakers predicts that career concerns can distort policy choice, but it actually allows for excessive reform-seeking to signal competence; it also notes that conservative institutions may sometimes be optimal when reputation concerns are present. (web2-bschool.nus.edu.sg) An experiment with 377 incumbent legislators in three countries found that elected politicians do show status-quo bias under accountability, but the effect is not uniform: women were more likely to stick with the status quo, while men were more likely to abandon it and favor change. (cambridge.org) And ambition can push behavior in different directions depending on the setting—for example, MEPs seeking domestic careers were more likely to defect from leadership votes and oppose supranational expansion—so the literature points to context-specific career effects rather than a single monotonic relationship. (experts.illinois.edu) Overall, the claim is directionally plausible in some settings, but the public evidence is too mixed to treat it as established. Sources: Qiang Fu and Ming Li, “Reputation-concerned policy makers and institutional status quo bias” (Journal of Public Economics) https://web2-bschool.nus.edu.sg/wp-content/uploads/media_rp/publications/12Qnq1485459652.pdf; Lior Sheffer, “Political Accountability, Legislator Gender, and the Status Quo Bias” (Politics & Gender, Cambridge University Press) https://www.cambridge.org/core/journals/politics-and-gender/article/abs/political-accountability-legislator-gender-and-the-status-quo-bias/AB4943B8705EB409569D4EE28C0F5FB5; Stephen A. Meserve, Daniel Pemstein, and William T. Bernhard, “Political ambition and legislative behavior in the European parliament” (Journal of Politics, Illinois Experts) https://experts.illinois.edu/en/publications/political-ambition-and-legislative-behavior-in-the-european-parli/