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Glossary
Reversible decision
A reversible decision is a choice that can be undone or substantially redirected at acceptable cost if new information arrives — often called a “two-way door.” It contrasts with irreversible (one-way door) decisions, where reversing course is prohibitively expensive or impossible. Classification depends on exit costs, path dependence, and time — not on how confident leaders feel.
Why it matters
Speed and process should match reversibility. Two-way doors can be decided quickly by small teams with lightweight analysis; one-way doors deserve deeper deliberation, premortems, and escalation. Mixing them up either slows the organization with bureaucracy on cheap-to-reverse choices or rushes irreversible bets.
Irreversible decisions involve commitments that are prohibitively costly or impossible to unwind, such as major acquisitions, permanent structural changes, or difficult-to-reverse technological dependencies. Treat one-way doors with heavier process; design more choices to be reversible through staging and real options.
Example (enterprise): A pricing experiment on a subset of accounts is structured as reversible — clear rollback, limited cohort — while a brand-level perpetual free tier is treated as closer to irreversible because customer expectations and competitor responses are hard to unwind.
Mechanisms
- Estimate reverse cost — money, reputation, legal, technical path dependence.
- Match governance weight to irreversibility — light process for two-way doors, heavy for one-way.
- Increase reversibility where possible — pilots, modular design, contractual off-ramps, staged options.
Boundaries
- Reversible decision ≠ unimportant decision; stakes can be high even when exit is possible.
- Reversibility is continuous — many choices are costly-to-reverse rather than binary.
- Calling a decision reversible does not remove the need for basic expected-value or risk checks.
Related topics
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