II. — FOSTER and CATCHINGS

The circuit flow of money, American Economic Review,

mars 1923 (seul Foster).

Edison-Ford commodity money, 1923 (seul Foster). Business conditions and currency control, Harvarä Bu-

siness review, avril 1924.

Money, 1924.

Profits, 1925.

Old King Cole in trouble, 1926.

Business without a buyer, 1927. The road to plenty, 1928.