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The Index

A system of selective judgment.

The Index is the LGC discipline for moving from a broad field of information to a measured threshold for action.

The arc

Information narrows before conviction grows.

Four arcs carry a question from an open field to a defensible commitment. Each one resolves part of what is unknown, and nothing advances on interest alone.

The four arcs of the Index, read left to right: a wide field of information narrows toward a threshold for action while conviction grows in proportion to what is known.FIELD OF INFORMATIONTHRESHOLDDISCERNIdentify what is worthpursuing.01-02CALIBRATETest economics, capitaland risk.03ALIGNStructure relationships,resources and authority.04-05COMPOUNDImplement, learn andbuild durable value.06-07MOVEMENTSMEASURED CONVICTIONThe four arcs of the Index, read downward: the field of information narrows at each arc while conviction grows toward a threshold for action.FIELD OF INFORMATIONDISCERNIdentify what is worthpursuing.MOVEMENTS 01-02CALIBRATETest economics, capitaland risk.MOVEMENTS 03ALIGNStructure relationships,resources and authority.MOVEMENTS 04-05COMPOUNDImplement, learn andbuild durable value.MOVEMENTS 06-07THRESHOLD FOR ACTION
Conviction should be proportionate to what is known. The seven movements below sit inside these four arcs.

Method

Seven movements, in order.

Each movement states what must be established before the next becomes meaningful. The ledger is read downward, and no line is skipped for convenience.

  1. 01

    Identify the decisive variable

    Define the condition that changes the decision rather than cataloging every available fact.

  2. 02

    Establish the evidence

    Trace claims to sources, distinguish observation from inference, and expose missing information.

  3. 03

    Calibrate downside and constraints

    Model failure conditions, liquidity limits, operating friction, and irreversible commitments.

  4. 04

    Align participants and capital

    Make responsibilities, incentives, economics, and decision rights explicit.

  5. 05

    Define the decision threshold

    Set the evidence, price, timing, and execution conditions required to advance.

  6. 06

    Advance with measured conviction

    Commit in proportion to what is known, preserve options where uncertainty remains, and sequence execution.

  7. 07

    Review outcomes and update judgment

    Compare results with the original thesis, document variance, and revise the operating view.

Applied

The same discipline, three fields of work.

The Index does not change shape by sector. What changes is the variable it has to isolate before a decision can be defended.

Healthcare

Where evidence and execution must remain connected.

  • The strength of the evidence behind a clinical claim.
  • The operating capability required to deliver it.
  • The measurement that keeps outcomes visible over time.

Real estate

Where basis, structure and long-term use decide the outcome.

  • The basis at which a position becomes durable.
  • The structure that governs risk, control and reversibility.
  • The long-term use that supports value beyond the entry.

Growth initiatives

Where operating capability determines whether a plan survives contact.

  • The capability a plan quietly assumes it already has.
  • The sequence in which commitments become irreversible.
  • The conditions under which the plan should be revised.

Decision threshold

Conviction has a condition.

The threshold defines the evidence, structure, price, timing and execution conditions required to advance.

Stated before the decision, the threshold is what separates a considered commitment from an agreeable one.

How the Index is applied
Detail of the LGC letterform, crossed by a copper index line that terminates in a node.

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