Click to increase image sizeClick to decrease image size Acknowledgments Most of the articles in this special issue were first presented at a panel at the 52nd Annual Convention of the International Studies Association, Montreal, 16–19 March 2011. Nils Petter Gleditsch's work has been supported by the Research Council of Norway. We are grateful to the other contributors to this issue for their comments on an earlier version of this introduction; of course, we remain responsible for what we did (or didn't do) with their comments.
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Bernauer et al. (2012) studied this question.
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