The central lesson from Michael A. Heilperin’s 1939 analysis of inter-war monetary theory is the ultimate preeminence of policy over system. Monetary internationalism is not an automatic feature of a technical apparatus like the gold standard; it is a deliberate political and economic choice to coordinate national policies in the service of international stability. The catastrophic collapse of the reconstructed monetary system in the 1930s was not a failure of gold, but a profound failure of policy, driven by a virulent resurgence of economic and political nationalism.

Nations, seeking the illusion of “monetary autonomy,” refused to “play by the rules” required for international equilibrium. Deficit countries resisted the necessary credit contraction, while surplus countries “sterilized” gold inflows to prevent price increases. This mutual refusal to adjust severed the links that held the system together, proving that a collection of nationalistic monetary policies, even when nominally attached to a common standard, is incompatible with a stable international order. Ultimately, Heilperin’s autopsy of the inter-war period reveals that the choice is not between technical systems, but between the political will to accept the discipline of cooperative adjustment and the seductive but destructive pursuit of unilateral advantage. As Heilperin concluded, the conditions for a stable international system are “wider and deeper than the technicalities of the monetary system.” They are rooted in the wisdom of domestic economic policies and, most fundamentally, in the general attitude of sovereign nations toward their role in an interdependent world.