Authors Paul Poast

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Is it true that democracies don't go to war with each other?

Sort of. But I wouldn't base public policy on the finding.

Why? Let's turn to the data.

[THREAD]


The idea of a "Democratic Peace" is a widely held view that's been around for a long time.

By 1988, there already existed enough studies on the topic for Jack Levy to famously label Democratic Peace "an empirical law"


The earliest empirical work on the topic was the 1964 report by Dean Babst published in the "Wisconsin Sociologist"


Using the war participation data from Quincy Wright's "A Study of War", Babst produced the following two tables


The tables show that democracies were NOT on both sides (of course, Finland is awkward given that it fought WITH Nazi Germany against the Soviet Union).

Babst expanded his study beyond the World Wars in a 1972 paper in Industrial Research. He confirmed his finding.