STRATEGYWeeks to result

Iterated Dominance

Eliminate dominated strategies

Problem it solves

dominated strategies

Best for

Complex decision-making situations

Not ideal for

Simple decisions with clear outcomes

Overview

Why this framework exists

Iterated dominance is a framework for making decisions in complex situations by eliminating dominated strategies. It involves analyzing the possible outcomes of different actions and eliminating those that are consistently worse than others. This process is repeated until a clear choice emerges.

Core principles

3 total
  1. Eliminate dominated strategies to simplify the decision-making process
  2. Analyze the possible outcomes of different actions to make informed decisions
  3. Repeat the process of elimination until a clear choice emerges

Steps

4 steps
  1. Identify the possible strategies
    List all the possible actions that can be taken in a given situation
    Pro tipConsider all possible outcomes, including those that may seem unlikely
    WarningBe careful not to overlook any possible strategies
  2. Analyze the outcomes of each strategy
    Evaluate the potential outcomes of each possible action
    Pro tipUse data and analysis to inform the evaluation of outcomes
    WarningBe aware of biases and assumptions that may influence the analysis
  3. Eliminate dominated strategies
    Remove strategies that are consistently worse than others
    Pro tipUse the process of elimination to simplify the decision-making process
    WarningBe careful not to eliminate strategies that may have hidden benefits
  4. Repeat the process
    Continue to analyze and eliminate strategies until a clear choice emerges
    Pro tipBe patient and persistent in the decision-making process
    WarningBe aware of the potential for analysis paralysis

Checklist

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Examples

2 cases
Business strategy

A company is considering different marketing strategies and uses iterated dominance to eliminate those that are consistently worse than others

OutcomeThe company is able to make a more informed decision and chooses a strategy that leads to increased sales and revenue
Personal finance

An individual is considering different investment options and uses iterated dominance to eliminate those that are consistently worse than others

OutcomeThe individual is able to make a more informed decision and chooses an investment strategy that leads to increased returns

Common mistakes

3 traps
Overlooking possible strategies
Failing to consider all possible actions can lead to suboptimal decisions
Incorrectly analyzing outcomes
Failing to accurately evaluate the potential outcomes of each strategy can lead to poor decisions
Failing to eliminate dominated strategies
Failing to remove consistently worse strategies can lead to complexity and confusion in the decision-making process

Origin story

How this framework came to be

The concept of iterated dominance was first introduced in game theory as a way to analyze and make decisions in complex strategic situations. It has since been applied in a variety of fields, including business, economics, and politics.

Source

Traced to primary
Source · BOOK
The Art of Strategy: A Game Theorist's Guide to Success in Business and Life
Dixit, Avinash K. · 2008
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