After four days of electoral reform committee hearings, the general sense that we’ve come away with is that academics in favour of reform are in favour of their own particular models, and that’s really been about it. (Kady O’Malley’s latest liveblog here). The most discussion that seems to have come out about outcomes from different electoral systems has been largely that one professor said the research hasn’t shown that everything will be sunshine and rainbows if we adopt a new system as each system has their own problems, and a lot of back-and-forth about how other systems will magically result in more compromise and nicer politics will somehow come out of it in the end (against all logic or evidence).
It was with some surprise that I noted that Fraser Institute of all places probably had the most to contribute to the discussion this week with the release of an academic essay (which appears to be the chapter in a forthcoming volume) that actually tested some of the outcomes and incentives for different electoral systems against fiscal policies of countries. While I didn’t find the results all that surprising, others might – that systems that result in more parties and more coalitions tend to have public spending as a far higher percentage of GDP, and much bigger deficits than countries with plurality/majoritarian systems like ours currently.
The logic is fairly simple and the research in the essay proves it – that coalition governments tend to be higher-spending because they require buying off the various parties in said coalitions; higher spending means growth of the public sector, and or deficits. There was also some more serious discussion than I’ve seen all week about the incentives to create smaller parties in PR systems than in plurality/majoritarian systems, where the coalition is more internal to the party, because the need for a coalition gives small and single-issue parties greater power and leverage to make demands as a coalition partner, thus incentivising the creation of more parties. This is not an insignificant consideration when it comes to outcomes from different voting systems, and I hope that this particular essay gets some traction rather than just being shrugged off as yet another Fraser Institute report.