Investors in the private companies that Labour plans to nationalise are likely to seek compensation for their losses.
Evidence from the UK and around the world suggests private ownership results in more efficient companies, more investment and more renewable energy.
A look at the theory behind nationalising key public services, as well as what has happened in practice.
No other country has fully adopted the UK model of railway privatisation. And for good reason.
Achieving the goal of sustainable cities depends on rolling back the market after decades of privatisation and deregulation.
The UK spent much of the late 20th century voting to sell off public services – but now support is growing for a renationalisation programme.
The new Labour leader has been pilloried for extolling public ownership. In fact, he's bang on trend.