The Tragedy of the Commons

Elinor Ostrom (1933–2012)

A coastal town relies on a large, open-access fishing ground. Any resident with a boat can fish as much as they want, and there are no limits on the total catch. Over time, the fish population begins to decline sharply. Which statement best explains the economic reason for this decline?

Match each example of a good or resource to the pair of economic characteristics that best defines it. A good is 'rivalrous' if one person's consumption prevents another's, and 'excludable' if access can be restricted to paying customers.

A new law is enacted that guarantees a minimum daily payment and a maximum number of working hours for agricultural laborers. Before this law, a laborer's only alternative to working for a landowner was to receive a small survival ration from the government. How does this new legislation primarily improve the laborer's ability to secure a more favorable contract?

Community Pasture Management

Aquifer Depletion Scenario

The primary reason common-pool resources, such as ocean fisheries, are often overexploited is that the individuals using the resource are unaware of the long-term consequences of their actions on the resource's sustainability.

An economic model designed to explain lending behavior is considered flawed and should be discarded if it cannot accurately predict the outcome of every single loan application in the real world.

Evaluating Solutions for Aquifer Depletion

A resource is considered vulnerable to overexploitation when access is unrestricted and one person's use of the resource reduces the amount or quality available for others. Which of the following scenarios best exemplifies this specific problem?

A village has a shared forest where anyone can gather firewood. As the village population grew, the forest began to shrink rapidly as each family gathered more wood for their own needs and to sell in a nearby market. Which of the following statements best analyzes the fundamental economic problem leading to the rapid shrinking of the forest?