Full Idea
Once the free working of the market is impeded beyond a certain degree, the planner will be forced to extend his controls until they become all comprehensive.
Gist of Idea
Impeding the market is likely to lead to extensive state control
Source
F.A. Hayek (The Road to Serfdom [1944]), quoted by Ian Dunt - How to be a Liberal 7
Book Reference
Dunt,Ian: 'How to Be a Liberal' [Canbury Press 2020], p.218
A Reaction
Hayek was terrified of totalitarianism (quite reasonably), but fascism and communism don't seem to have arisen in the way he describes. I'm not clear why sensible intervention in the market should slide down into nightmare.