Any thoughts on the SNP, about whom I know little more than zero? I remember before the referendum seeing frustrated posts by Krugman and Wren-Lewis to the effect of: You can't play this game of saying you'll go all independent and control your own destiny while claiming that nonetheless everything will continue humdrum and the same economically, and we'll even still be on the pound, hurrah! Krugman was like, Are you crazy? Look what not having your own currency is doing to Greece and Spain and Portugal.
Re: My perspective (responding mainly to the original Renzi query):