Iterated Prisoner's Dilemma


DEFINITION of 'Iterated Prisoner's Dilemma'

A normal prisoner's dilemma played repeatedly by the same participants. An iterated prisoner's dilemma differs from the original concept of a prisoner's dilemma because participants can learn about the behavioral tendencies of their counterparty.

BREAKING DOWN 'Iterated Prisoner's Dilemma'

Since the game is repeated, one individual can formulate a strategy that does not follow the regular logical convention of an isolated round.
"Tit for tat" is a common iterated prisoner's dilemma strategy.

  1. Zero-Sum Game

    A situation in which one person’s gain is equivalent to another’s ...
  2. Deal Breaker

    An issue that, if left unresolved, prompts one party to discontinue ...
  3. Tragedy Of The Commons

    An economic problem in which every individual tries to reap the ...
  4. Pareto Efficiency

    An economic state where resources are allocated in the most efficient ...
  5. Tit For Tat

    A game-theory mechanism which is subject to a payoff matrix similar ...
  6. Diner's Dilemma

    A game-theory situation with several players. Similar to a prisoner's ...
Related Articles
  1. Investing Basics

    What Are The Odds Of Scoring A Winning Trade?

    Just because you're on a winning streak doesn't mean you're a skilled trader. Find out why.
  2. Fundamental Analysis

    Financial Markets: Random, Cyclical Or Both?

    Are the markets random or cyclical? It depends on who you ask. Here, we go over both sides of the argument.
  3. Professionals

    Traditional MBA Or Business Graduate Degree?

    Though an MBA is the most popular business graduate degree, there may be other options more suited to your goals.
  4. Investing Basics

    What Does In Specie Mean?

    In specie describes the distribution of an asset in its physical form instead of cash.
  5. Economics

    Calculating Cross Elasticity of Demand

    Cross elasticity of demand measures the quantity demanded of one good in response to a change in price of another.
  6. Fundamental Analysis

    Emerging Markets: Analyzing Colombia's GDP

    With a backdrop of armed rebels and drug cartels, the journey for the Colombian economy has been anything but easy.
  7. Fundamental Analysis

    Emerging Markets: Analyzing Chile's GDP

    Chile has become one of the great economic success stories of Latin America.
  8. Investing

    Watch Your Duration When Rates Rise

    While recent market volatility is leading investors to look for the nearest exit, here are some suggestions for bond exposure in attractive sectors.
  9. Economics

    Explaining Fair Market Value

    Fair market value is the price at which a buyer and seller are willing to exchange a good.
  10. Economics

    Explaining Capital Flows

    The movement of money for investing, trade or business production, is commonly referred to as capital flows.
  1. Student loans, federal and private: what's the difference?

    The cost of a college education now rivals many home prices, making student loans a huge debt that many young people face ... Read Full Answer >>
  2. What is the utility function and how is it calculated?

    In economics, utility function is an important concept that measures preferences over a set of goods and services. Utility ... Read Full Answer >>
  3. What does marginal utility tell us about consumer choice?

    In microeconomics, utility represents a way to relate the amount of goods consumed to the amount of happiness or satisfaction ... Read Full Answer >>
  4. What is the difference between JIT (just in time) and CMI (customer managed inventory)?

    Just-in-time (JIT) inventory management focuses solely on the need to replenish inventory only when it is required, reducing ... Read Full Answer >>
  5. What are some examples of Apple and Google's best-selling product lines?

    There are many good examples of product lines in the technology sector from some of the largest companies in the world, such ... Read Full Answer >>
  6. What is a negative write-off?

    A negative write-off is a write-off conducted by a company or accountant after deciding not to pay back an individual or ... Read Full Answer >>

You May Also Like

Hot Definitions
  1. Gross Profit

    A company's total revenue (equivalent to total sales) minus the cost of goods sold. Gross profit is the profit a company ...
  2. Revenue

    The amount of money that a company actually receives during a specific period, including discounts and deductions for returned ...
  3. Normal Profit

    An economic condition occurring when the difference between a firm’s total revenue and total cost is equal to zero.
  4. Operating Cost

    Expenses associated with the maintenance and administration of a business on a day-to-day basis.
  5. Cost Of Funds

    The interest rate paid by financial institutions for the funds that they deploy in their business. The cost of funds is one ...
  6. Cost Accounting

    A type of accounting process that aims to capture a company's costs of production by assessing the input costs of each step ...
Trading Center
You are using adblocking software

Want access to all of Investopedia? Add us to your “whitelist”
so you'll never miss a feature!