Key Observed Patterns in the Worldwide Public Good Game
Contrary to the prediction that self-interested players would contribute nothing, experiments with the worldwide public good game revealed three consistent patterns. First, initial contributions in the first round were surprisingly high across all locations. Second, this initial cooperation was not sustained, as average contributions tended to decline over the subsequent rounds of the game. Third, both the initial level of contribution and the rate of decline varied significantly across different societies.
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Ch.4 Strategic interactions and social dilemmas - The Economy 2.0 Microeconomics @ CORE Econ
The Economy 2.0 Microeconomics @ CORE Econ
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Individual Incentive to Free-Ride in the Worldwide Public Good Game
Introduction of a Punishment Option in the Public Good Game Experiment
In a single round of an economic experiment, a group has four members. Each member is given $20 and can contribute any amount to a common fund. For every dollar in the fund, each of the four members receives a payout of $0.40. Imagine you are one of the members, and the other three members have contributed a total of $30 to the fund. Analyze your own financial outcome based on two choices: contributing $10 versus contributing $0. Which statement correctly identifies your best strategy for maximizing your personal payoff in this round?
The Role of Information in a Cooperative Game
Analyzing Payoffs in a Cooperative Game
In an economic experiment, four-person groups play a game for ten rounds. In each round, every participant receives $20 and can contribute any amount to a shared fund. For every dollar contributed to the fund, each of the four members (including the contributor) receives a benefit of $0.40. Suppose in one round, the total contribution from all four members to the shared fund is $40. What is the total net financial gain for the group as a whole in this round?
Critiquing an Experimental Design for Studying Cooperation
In an economic experiment, four-person groups play a game. In each round, every participant receives $20 and can contribute any amount to a shared fund. For every dollar contributed to the fund by any player, each of the four members receives a benefit of $0.40. If a single player decides to contribute $1 of their own money to the shared fund, what is the net change in that specific player's personal wealth resulting directly from that $1 contribution?
Calculating Individual Payoff in a Public Good Game
An economic experiment is conducted with four-person groups. In each round, every participant is given $20 and can contribute any amount to a shared fund. For every dollar contributed to the fund, each of the four members (including the contributor) receives a benefit of $0.40. Based on these rules, the course of action that maximizes a single player's personal financial gain in a round is the same course of action that maximizes the total financial gain for the group as a whole.
Modifying an Experimental Design to Test a New Hypothesis
Predicting Behavior in a Multi-Round Game
Key Observed Patterns in the Worldwide Public Good Game
Definition of a Free-Rider
Example of Social Dilemma: Shared Household Chores
Example of Social Dilemma: Student Group Projects
Historical Persistence of Social Dilemmas
Climate Change as an Unresolved Social Dilemma
Public Good Game
Ostrom's Research on the Challenge of Common-Pool Resources
Pest Control as a Social Dilemma
Climate Change as a Global-Scale Cooperation Problem
Transformation of Fish Stocks from a Public Good to a Rival Resource
Overgrazing as an Application of the 'Tragedy of the Commons'
Community Management as a Solution to the 'Tragedy of the Commons'
Overexploitation of Fisheries as an Example of the Tragedy of the Commons
Individual Action to Reduce Carbon Footprint
Analyzing a Shared Resource Dilemma
A community of fishers operates in a large, open-access lake. To maximize their personal income, each fisher decides to use nets with very small mesh sizes, which catch both mature and juvenile fish. Initially, this practice increases individual profits. However, after several seasons, the total fish population in the lake collapses, and all the fishers find their catches dramatically reduced. Which statement best analyzes the economic dynamic that leads to this outcome?
Evaluating a Solution to Resource Overuse
The 'Tragedy of the Commons' occurs primarily because individuals using a shared resource are acting irrationally and with the specific intent to deplete the resource for others.
Applying the Tragedy of the Commons
A group of herders shares a common pasture. Each herder individually decides it is in their best interest to add more animals to their personal herd, as they receive the full benefit from their own animals while the cost of slightly reduced grazing quality is shared among all herders. This leads to the pasture becoming overgrazed and unable to support any of the herds. Match each element of this scenario to the corresponding theoretical component of the 'Tragedy of the Commons'.
Arrange the following events in the logical sequence that illustrates the process described as the 'Tragedy of the Commons'.
The 'Tragedy of the Commons' describes a situation where the depletion of a shared resource is likely because the full ______ cost of an individual's increased use is not borne by that individual alone, but is instead distributed among all users.
Evaluating Policy Solutions for a Common-Pool Resource
Which of the following scenarios is the LEAST likely to be described as a 'Tragedy of the Commons'?
Key Observed Patterns in the Worldwide Public Good Game
The Social Dilemma of Shared Irrigation Systems
Altruism as a Solution to Social Dilemmas
Learn After
Altruism as a Potential Explanation for High Initial Contributions in the Public Good Game
Cross-Societal Variation in Public Good Game Contributions
In an experiment, groups of four people are each given a new $20 endowment for ten consecutive rounds. In each round, they can secretly contribute any amount of their endowment to a common pool. For every dollar in the pool, each of the four players (including those who didn't contribute) receives $0.40. After each round, all members are informed of how much the other three contributed. Experiments consistently show two patterns: (1) In the first round, average contributions are significantly greater than zero. (2) Across the subsequent nine rounds, the average contribution level steadily falls. Which of the following best analyzes the relationship between these two observed patterns?
Predicting Behavior in a Public Good Game
Analyzing Cooperation Dynamics in a Group Investment Scenario
Describing Contribution Patterns in a Group Project
Statement: In a multi-round experiment where groups of people can privately contribute from an endowment to a shared pool that benefits all members, the typical pattern observed is that contributions start low in the first round and then steadily increase over subsequent rounds as players build trust.
Match each observed pattern from the worldwide public good game with its characteristic description.
In a 10-round experiment, groups of people are repeatedly given an endowment and the opportunity to anonymously contribute to a shared fund that benefits all members, including those who do not contribute. After each round, the total contribution of the group is revealed. Based on typical results from such experiments, arrange the following events by their expected average contribution level, from highest to lowest.
In a multi-round experiment, groups of people can contribute money from a personal endowment to a shared fund. Every dollar contributed benefits all group members, but not contributing while others do yields the highest personal payoff. While initial contributions in the first round are often unexpectedly high, this level of cooperation is typically not sustained. Over subsequent rounds, the average contribution level tends to ____.
Evaluating an Intervention in a Group Investment Scenario
In a 10-round experiment, four-person groups are repeatedly given an endowment to invest in a shared project. For every dollar contributed by any member, all four members (including the contributor) receive a return of $0.40. After each round, the contributions of all members are revealed. Experiments consistently show that contributions are high in the first round but steadily decrease in subsequent rounds. Which of the following statements provides the most robust explanation for this decline in cooperation?
Contribution Pattern in Chengdu's Public Good Game
Contribution Pattern in Chengdu's Public Good Game
Altruism as a Solution to Social Dilemmas
Figure 4.14b: Contributions in Worldwide Public Goods Experiments over 10 Periods