Gottfried Haberler, De omloopssnelheid van het geld. [Review of M. W. Holtrop] (1930)

Haberler’s review of M. W. Holtrop’s 1928 monograph on monetary velocity combines strong praise with a precise criticism of its conceptual framework. He values the book’s historical breadth and its analysis of firms’ cash requirements, while questioning whether its preferred causal approach warrants rejecting an alternative description of monetary circulation.

Of the few monographs on the velocity of circulation of money, this is undoubtedly the best and most comprehensive.

The review first follows Holtrop’s historical survey, which organizes monetary thought around leading principles rather than exhaustive coverage. Haberler endorses Holtrop’s rejection both of theories that dispense with velocity altogether and of the view that monetary velocity merely mirrors the circulation of goods. His central discussion then contrasts the “Movement Theory,” which counts how frequently money changes hands and treats velocity as a factor in monetary supply, with the “Cash Reserve Theory,” which starts from the economic motives governing cash holdings.

In presenting the latter approach, Haberler identifies the reversal of explanatory priority on which Holtrop’s argument rests:

The velocity of circulation is determined by the cash requirements and not vice versa.

Velocity becomes the ratio of total payments to average cash holdings, explained through the demand for money rather than treated as an inherent property of money itself. Haberler nevertheless sides with Fisher in regarding the difference between the two descriptions as formal: a higher ratio of payments to circulating money necessarily entails more frequent transfers of at least some monetary units. Holtrop’s preference for cash reserves as an instrument of causal analysis does not, for Haberler, establish that the two approaches are incompatible.

The disagreement becomes concrete in the discussion of specialization. Splitting production among several firms increases both monetary payments and recorded commodity transactions. Haberler finds Holtrop’s formulation of the price implications misleading. Increased specialization can raise monetary demand and lower prices unless offset by a larger money stock or faster circulation. This qualification also demonstrates why velocity can usefully be treated as a supply factor, even within an analysis centered on cash requirements.

The review’s final substantive movement turns from conceptual definitions to business finance. Haberler identifies chapters vi and vii as the book’s most original contribution: they explain firms’ cash-reserve-to-turnover ratios through the regularity of receipts and expenditures, variations in different firms’ cash needs, payment terms, and credit instruments. His approval remains discriminating:

Although some detailed criticism of these chapters suggests itself, the main arguments seem to be sound and very illuminating.

The review’s significance lies in this distinction between accounting equivalence and causal explanation. Haberler recognizes the advance in explaining velocity through firms’ financing practices, without accepting that such an explanation makes the movement-of-money perspective dispensable. His praise rests on Holtrop’s ability to uncover new determinants of monetary circulation within an apparently well-explored field.