Economic theorists should not make such a production about taking a rabbit out of a hat after having put the rabbit into the hat in full view of the audience.

Rosa Luxemburg maintained that the capitalist system can keep up its rate of investment (and therefore its profits) only so long as it is expanding geographically.

An economy may be in equilibrium from a short-period point of view and yet contain within itself incompatibilities that are soon going to knock it out of equilibrium.

Unequal distribution of income is an excessively uneconomic method of getting the necessary saving done.

The very nature of economics is rooted in nationalism. ... It [was] developed ... in the hope of throwing light upon questions of policy. But policy means nothing unless there is an authority to carry it out, and authorities are national.

A sure sign of a crisis is the prevalence of cranks. It is characteristic of a crisis in theory that cranks get a hearing from the public which orthodoxy is failing to satisfy.

Income from property is not the reward of waiting, it is the reward of employing a good stockbroker.