The subject
Decision objects
Strategy, pipeline, budget, portfolio and resources are each decided, and each moves through three states. A plan is committed, managed against results, and learned from. Learning returns twice: to managing, to correct the course within a cycle, and to planning, to start the next cycle from better ground. Under uncertainty every state carries a tolerance as well as a value, and learning is what narrows it.
RootsWeingartner · Markowitz · Bower
Discipline 1 · The foundation
Economics
Every object has an economic principle under it. Strategy is preference, the budget is scarcity, the portfolio is allocation at the margin, and resources are production. The pipeline is the new piece. Each proposal is a demand for capital, and read from the other side the same proposals are the organization's supply of opportunities. Economics has always taken that supply as given. Here it is produced, priced and managed. Every price carries its tolerance too: how far it can move before the choice it supports changes.
RootsDean · Hirshleifer · Ramsey · Keynes
Discipline 2
Mathematics
Economics says what a price means; mathematics computes it. Projects are chosen whole, so the problem is an integer one, and every limit still carries a price, which in whole choices moves in steps rather than smoothly. The same mathematics runs backwards: from the decision to the variation it can absorb, and from the result to how far a coefficient would have to move to change it.
RootsKantorovich · Dantzig · Gomory · Ben-Haim
Discipline 3
Behavior
People decide with bounded attention, anchors and optimism, and they satisfice where theory says optimize. Proposals arrive inflated, weights are asserted rather than measured, and budget splits follow mental accounts. The discipline expects this and designs around it instead of assuming it away. It never asks people to estimate a probability, only whether a number could be off by as much as the decision can tolerate.
RootsSimon · Cyert & March · Kahneman & Lovallo · Thaler
Discipline 4
Governance and law
Rules, mandates, floors and authority shape every decision, and each one has a cost. Some are law or regulation, some are policy, some are habit. The discipline makes those costs visible, so an organization can tell a rule that protects it from one it only obeys. Every commitment leaves a record of who decided, on what, and with what margin, which is what a board or an auditor asks for. Review goes where tolerance is thin, not evenly across every project.
RootsBerle & Means · Jensen & Meckling · Stein · Scharfstein & Stein
Discipline 5
Automation
Three layers. Computation: the optimizer finds the best answer for what is given, with its prices and margins, exactly and repeatably. Curation: AI draws out what people know, explains the result, drafts the ask and flags what looks wrong, which is useful and fallible. And the allocation of the decision itself: who makes each one, at which level, from manual through supervised to autopilot.
That last layer is an economic question, so the first discipline governs the fifth: each decision goes to whoever has the advantage in it, measured by its margin, as idea 05 shows. AI may propose and explain, the optimizer computes, and only people commit.
RootsRicardo · Sheridan & Verplank · Parasuraman, Sheridan & Wickens