The Road to Serfdom
His main work, "Ordeal by Planning", was written in 1946 and argued that the central planning implemented in the United Kingdom during World War II will lead to poverty if it is adopted as a permanent economic system, a thesis quite similar to the one developed by Friedrich Hayek in 1945 in "The Road to Serfdom". His line of thought was close to the ordoliberal thesis of Wilhelm Röpke and Walter Eucken.