New Zealand

The good people of New Zealand are past masters are power sharing. You can see a version of an enhanced “confidence and supply” here, where the junior partner is offered a few ministerial posts, but there are firebreaks on collective responsibility.

In Westminster there’s rightly been a lot of focus on policy. But the terms of co-operation are often as difficult to negotiate. From the NZ examples, it’s possible to sketch out some of the key elements underpinning a deal. (Warning: this is one for the legal scholars.)

1. A clause on “good faith and no surprises” These politicians trust one another. They really do.