"It is impossible indeed not to look with considerable uneasiness at the type of the "modern economist" as he developed after Keynes' revolutionary book, whom Keynes himself regarded with alarm at the end of his days. It is the type of man who is obsessed by one thing, i.e. "effective demand," which he thinks must be kept up at whatever cost, while he forgets the working of the mechanism of prices, wages, interest and exchange rates."