The Mystery of Banking by Murray N. Rothbard (pg. 72)

In the German hyperinflation of 1923, workers were paid twice a day, and the housewife would stand at the factory gate and rush with wheelbarrows full of million mark notes to buy anything at all for money. Production fell, as people became more interested in speculating than in real production or in working for wages. Germans began to use foreign currencies or to barter in commodities. The once-proud mark collapsed.