Commentaries & Insights

Our Commentaries and Insights are short-form publications intended to distill long-form research and synthesize current policymaking activity into easily understood concepts.


Rulemaking Ossification Is Real: A Response to Testing the Ossification Thesis

Jason & Susan Yackee engage in an empirical study and claim to find relatively weak evidence that ossification is neither a serious or widespread problem. After a review of the Yackee’s methodology, dataset, time period, and suggestion of appropriate normative criteria, I conclude that nothing in the Yackee’s study contradicts or undermines the ossification hypothesis. In fact, ossification is a real problem that has a wide variety of serious adverse effects.