This provocative essay is accompanied by three exceptional invited commentaries. In the first, Agustin Markarian argues that systemic inequalities shape all aspects of representation, including measurement, the ability to provide a clear “input” signal, and the alignment between disadvantaged groups and policy outputs. He concludes that policy is often incongruent, at least for certain subsets of the population.

In the second commentary, Tara Grillos and Mary Scudder ask how we might understand whether policy responsiveness is “high” or “low.” That is, what is the appropriate counterfactual level of representation that ought to be the benchmark against which we measure responsiveness? They offer both an empirical and theoretical critique, situated within a comparative politics framework, and conclude that congruence alone may be an incomplete measure of representation.

Finally, Samuel Bagg offers a critique of standard empirical techniques used to evaluate policy congruence. This approach, he claims, leads analysts to be overconfident about their conclusions, which may obscure potential “capture and distortion” in studies of representation. The result is an overly optimistic view of the degree to which policy congruence is achieved.

Together, these works provide a thoughtful and fascinating look at representation from a variety of different empirical and theoretical perspectives. We hope that our readers will find this exchange illuminating, and that it will stimulate conversation and additional policy research on representation and democratic governance. The editors of JPP are deeply appreciative of the authors for their insights, ideas, and their willingness to engage in this forum.