Far more political parties get their obituaries written prematurely than actually pop their clogs. That’s not to say that the worst never happens. We do have the odd example of a so-called extinction event. The paradigmatic case in point being the sudden and virtually simultaneous collapse of several of Italy’s biggest parties in the early 1990s, during the perfect storm created by the end of the cold war and a spate of corruption scandals.
But it’s worth reminding ourselves, especially when we’re talking about parties that have been around a while, that they do tend to limp and linger on. They fade slowly into obscurity and obsolescence, rather than dying a dramatic death.
That’s partly because the barriers to entry for anybody aspiring to replace them are pretty damned high, particularly in plurality systems such as the UK’s. Historically, anyway, it’s been somewhere between difficult and impossible for any party that can’t manage to score around 30% of the nationwide vote here to break through — unless, like the Scottish and Welsh nationalists or the Northern Ireland parties, they can claim to speak for a particular part of the country with a particularly strong identity. Nigel Farage, in offering the Tories some kind of electoral pact with the Brexit Party, isn’t so much doing them a favour as trying to prevent a re-run of 2015 when Ukip won nearly four million votes and only one solitary seat.
Britain’s big two have been so dominant for so long that they are more or less dug in in a slew of safe seats. That means that, unlike their competitors, they can actually afford to slip some way below the magic 30% and still win a reasonably respectable (and often fairly proportional) haul of constituencies.
Infrastructure keeps them in place too. They hold significant capital, whether it be physical (such as constituency offices), financial (assets and the ability to raise loans and donations), or human (members, know-how, experience, and even cosy relationships with the print and broadcast media).
Clearly, none of that stuff lasts for ever. But only very rarely does it disappear overnight. And if you don’t already have it — and new entrants by definition often don’t — then it can take time to get it together. Nor, unless success comes reasonably rapidly, can you guarantee that it’ll last long enough to consolidate for the long term what you’ve managed to build up in the first flush.
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