Matthew Brooker: Why rebuilding the UK’s infrastructure is more than a sugar rush

The surge in public spending promised by Britain’s first Labour government in 14 years will create what has been called a “sugar rush” of growth that will fade. It’s an unfortunate, if understandable, idiom. As far as crumbling infrastructure is concerned, the £100bn (€120bn) of capital investment outlined in last week’s UK budget is better regarded as a protein boost.

On a long-term view, it isn’t anywhere near enough..