Module 8 of 12 · Week 5 · 13 Days / Cuban Missile Crisis

Cuban Missile Crisis: Commitments & Credibility

The phrase "This is my final offer" is my small commercial version of brinkmanship. This module asks what makes a commitment credible — and what it costs when it isn't.

13 Days (video case)A Negotiation Analysis of the Cuban Missile CrisisICAPSignalling & deliberate inactionCommitment devicesEscalation of commitmentPersonal Rule #12Journal Part 8Journal Part 12

Interactive formats on this page: credible vs non-credible commitment sorting (10 scenarios, property and historical), ICAP writing exercise with model analysis reveal, 6-question quiz.

Learning objectives

After this module you should be able to:

Apply ICAP (Interests, Constraints, Alternatives, Perspectives) to a counterpart.
Explain how threats and commitments become credible: cost, restriction of freedom, delegation, reputation, ordered escalation.
Recognise signalling through action and deliberate inaction.
Distinguish a BATNA used as discipline from a BATNA used as a threat.
Recognise escalation of commitment in your own decisions.

Property example — the S$1.80m case

The tempting move: "S$1.65m is absolutely final." If the seller rejects and I return with S$1.67m, I have taught her that my commitments are not credible — and every later "final" will be discounted.

What I do instead: keep the BATNA private and use it to judge the package; make small, precise, conditional moves that signal a narrowing range; and never call an offer "final" unless I will act on it. If I genuinely am at my limit, I can say so with evidence — "my bank approval caps me here" — which is a true constraint, not a bluff.

In the simulation, the artificial "final offer" in Step 4 carries the heaviest single penalty (−4), and the "BATNA ultimatum" in Step 6 loses points even though the alternative is real.

All property figures are illustrative and do not represent my real numbers.

Interactive exercise

Part A — Credible or not credible?

For each commitment or signal, decide whether the other side is likely to find it credible. Think about cost, reversibility, reputation and whether the speaker would actually act on it.

Part B — ICAP the seller

Apply the ICAP framework from the Cuban Missile Crisis analysis to the S$1.80m seller. Write your analysis, then compare with mine.

I — Interests

C — Constraints

A — Alternatives

P — Perspectives

Part C — Check your understanding

Critical question

Is it a stretch to apply a nuclear crisis to a property purchase? The stakes are obviously incomparable, and I want to avoid trivialising them. But the structural lessons transfer: an agent's statement may not be the principal's view; a counterpart may be constrained by people I never meet; silence can be a move. The real danger is the opposite — over-dramatising a residential deal into a contest of resolve.

Are commitment devices manipulative? A true constraint ("my bank caps me at this figure") is honest. A fabricated constraint is a lie, and it fails the same test as a fake "final": if discovered, it destroys credibility. The ethical line and the strategic line coincide here.

What I got wrong before

Old belief	What I now think
Power should be shown through firmness or threats.	Power can come from alternatives, information, credibility and process.
"Final offer" is a closing tool.	"Final" is a commitment that spends credibility.
Walking away proves strength.	A BATNA is discipline; a threat is a tactic with costs.

My Personal Rule #12

Do not make threats or commitments casually. Credibility is more valuable than short-term pressure.

Key takeaways

ICAP: map Interests, Constraints, Alternatives and Perspectives — including third parties away from the table.
Signals are sent by actions and deliberate inaction, not only words.
A commitment is credible when acting on it is plausible, costly to avoid, or reputation-backed.
Escalation of commitment drives both overpaying and refusing good deals; the BATNA is the antidote.
Leaving the other side a face-saving way out can be a strength.

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