For a century, governments have expanded in just about every measurable dimension, from spending to regulation, and the scale of financial rescues when the economy wobbles. The result is expensive state guarantees for everyone - bailouts for the rich, entitlements for the middle class, welfare for the poor. Governments from the United States to Europe and Japan have pumped so much money into their economies that financial markets can no longer invest all that capital efficiently, inadvertently fuelling the rise of monopolies, “zombie” firms, and billionaires. B...