Microfoundations for Political Science Redux

In a post about 15 months ago about microfoundations in political science, I observed that the term “microfoundations” has no rigorous definition in political science—and moreover, to the extent that a common understanding of microfoundations in political science exists, it is completely different from how economists use the term.

…when political scientists say microfoundations, they often don’t really mean microfoundations. They mean something like individual level data, or careful research designs, or causal mechanisms. They almost certainly don’t mean microfoundations in the sense that economists use the term.

I have always thought that that post should have generated more interest. And in a short new essay (under review and not currently available for public commentary; email me for a copy) I try to make the point a bit more rigorously. But on to today’s post: I have come across what I believe is the first and only formal definition of “microfoundations” by a political scientist writing in a political science journal. Let me quote directly:

A “microfoundation” for a statistical specification is a formal model of the behavior of the political actors under study. The model might emerge from decision theory, game theory, or some other formalism. Then the statistical setup is derived mathematically from the model, with no further ad hoc adjustments.

This is from Chris Achen‘s essay “Toward a New Political Methodology” in the Annual Review of Political Science, 2002 (ungated PDF).

I post this not to endorse this specific definition of microfoundations—after all, these are microfoundations of statistical models, not social phenomena—but rather to highlight two things. First, this definition makes clear that microfoundations are at root theoretical assumptions, not claims that can or should be tested from individual data. Second, Achen’s definition parallels how macroeconomists use the term “microfoundations.”

Once again, this should raise more questions of just what the microfoundational turn in contemporary political science actually means.

Posted in Economics, Politics, Research
One comment on “Microfoundations for Political Science Redux
  1. […] my previous posts on microfoundations here and here and here for […]

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