Money Theories as Coordination Stories
Every dominant money theory does two things at once. It describes how the monetary system works, and it carries a public story about who owes what to whom and why. The descriptive content is technical and confined to specialists (central bankers, treasury officials, bond traders, and economists). The story shapes voter behavior, fiscal politics, and everyday moral intuitions about debt, saving, taxation, and public expenditure. The story is the coordination surface of the theory.
The concept extends the Substrate Hypothesis. Coordination is a property of substrate, and collective stories are substrate components. Money theories that persist at scale do so because they carry stories that produce coordination behavior in populations, whether or not the descriptive content of the theory is operationally accurate.
The general pattern
Anthropology and sociology have documented the coordinating function of collective belief systems under several names. Benedict Anderson’s imagined communities, Charles Taylor’s modern social imaginaries, Yuval Harari’s intersubjective realities, David Graeber’s account of the moral logic of debt, and Karl Polanyi’s analysis of the self-regulating market as constructed belief all describe the same underlying mechanism. Large-scale coordination among strangers depends on shared stories that participants treat as real, and the coordination behavior is separable from the story’s descriptive accuracy.
Money theories are a specialized case. They coordinate behavior around the unit of account. The technical content coordinates specialists, while the story we are told by our parents, peers, and schools coordinates everyone else.
The metallist story
The metallist tradition (Menger, Ricardo, Mill, and the classical schools generally) held that money’s value derives from the commodity backing it. The public story attached to metallism was that money is scarce because gold is scarce. This produced specific coordination behavior. Saving was disciplined into a moral virtue. Deficits were framed as violations of natural monetary law that would eventually be punished by the market. Colonial extraction was rationalized as the pursuit of monetary substrate. The story fitted a phase of civilization organized around commodity-based mercantilism and metal-backed empire. This period of human development equates to the steep part of the S-shaped Growth Curve.
The sound-finance story
As metal backing weakened through the nineteenth and twentieth centuries and finally ended with the closing of the gold window on August 15, 1971, sound finance took metallism’s place at the level of public discourse. The state’s budget was analogous to a household’s, taxes funded spending, and deficits were burdens transferred to future generations. The story survived the operational shift from metal to fiat because it continued to do the coordination work the earlier story had done. It manufactured demand for the currency through the tax obligation. It disciplined citizens into fiscal stakeholding. It framed scarcity as the binding constraint. It constrained deficit spending in ways that protected capital accumulation from redistributive pressure.
Barnes and Hicks’s 2022 experimental work in the British Journal of Political Science found that the household-budget analogy is invoked ex post to justify austerity preferences already held, with no evidence that the analogy causes those preferences. The finding is consistent with the concept developed here. The story does its coordination work through the tax-obligation substrate that sits underneath it, and participants recruit the story to explain what the substrate has already forced them to do. Belief in the story’s accuracy is downstream of the compliance the substrate produces.
The MMT decoding
Modern Monetary Theory decodes the operational falsity of the sound-finance story. The state spends the unit into circulation first; taxation removes it afterward. The operational description is largely sound. MMT’s remit stops at the technical layer. The public coordination story that legitimated the acceleration-phase substrate remains in political discourse, and MMT has not supplied a replacement story of comparable public force. The wiki’s position in Consensus Is Not the Bottleneck holds. Kelton can correct millions of readers’ understanding of fiscal mechanics without changing what the substrate makes cheapest for participants.
Why the story is a substrate component
A collective story that produces compliance behavior at civilizational scale meets the wiki’s definition of substrate. It changes what the Cheapest Available Behavior is for participants. Under sound finance, the cheapest available behavior for a politician is to demand offsets for every social expenditure. The cheapest available behavior for a treasury official is to defend the debt ceiling. The cheapest available behavior for a voter is to endorse the household analogy when asked about fiscal choices, even when the endorsement follows from a preference held for other reasons.
The story is a substrate component because it lowers the cost of compliance with the tax-obligation substrate. Coercion works, but coercion carrying a legitimating story is cheaper to administer than coercion without one. The story is the T-form layer (see T form (Tribal)) sitting inside an M-form monetary system, and it does the identity and belonging work that keeps the M-form substrate legible and legitimate to ordinary participants.
Implications for the BioConomy
Any alternative substrate the BioConomy proposes (bioregional demurrage, commitment pools, Regenerative Participation Income) faces two design questions, and the concept developed here separates them.
The first question is what forces primary demand for the alternative unit of account. This is what the tax obligation does in the fiat system. Demurrage answers the velocity question (holding the unit becomes costly). It does not by itself answer the demand question. The Wörgl stamp scrip circulated fourteen times faster than the national currency because it was demurrage-charged; it was acquired in the first place because the municipality accepted it for local taxes and paid municipal workers in it. Absent an analogous acquisition mechanism, demurrage produces velocity among the already-committed and nothing more. This is a substrate-engineering problem.
The second question is what public story sits on top of the substrate and legitimates it in the discourse of ordinary participants. The metallist story spoke of natural scarcity. The sound-finance story spoke of household prudence. A deceleration-phase substrate would need a story with comparable public force. The Doughnut, planetary boundaries, the commons tradition, and bioregionalism are candidate stories. Assessing them against their coordination capacity is the analytical task the MMT as Growth-Phase Story brief takes on.
The Substrate Hypothesis says coordination is a property of substrate. The concept developed here specifies that the public story is one of the substrate’s components, and one that has been consistently underspecified in monetary and fiscal design, even by the theorists most willing to challenge the operational descriptions.