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https://www.investopedia.com/terms/t/tragedy-of-the-commons.asp What is Tragedy Of The Commons? The tragedy of the commons is an economic problem in which every individual has an incentive to consume

https://www.investopedia.com/terms/t/tragedy-of-the-commons.asp

What is Tragedy Of The Commons?

The tragedy of the commons is an economic problem in which every individual has an incentive to consume a resource at the expense of every other individual with no way to exclude anyone from consuming. It results in overconsumption, under investment, and ultimatelydepletionof the resource. As the demand for the resource overwhelms the supply, every individual who consumes an additional unit directly harms others who can no longer enjoy the benefits. Generally, the resource of interest is easily available to all individuals; the tragedy of the commons occurs when individuals neglect the well-being of society in the pursuit of personal gain.

KEY TAKEAWAYS

  • The tragedy of the commons is an economic problem that results in overconsumption, under investment, and ultimately depletion of a common-pool resource.
  • For a tragedy of the commons to occur a resource must be scarce, rivalrous in consumption, and non-excludable.
  • Solutions to the tragedy of the commons include the imposition of private property rights, government regulation, or the development of a collective action arrangement.
  • Historical examples of tragedies of the commons include the collapse of the North Atlantic Cod fisheries and the extinction of the dodo bird.

Understanding the Tragedy of the Commons

The tragedy of the commons is a very real economic issue where individuals tend to exploit shared resources so the demand greatly outweighs supply, and the resource becomes unavailable for the whole. Garrett Hardin, an evolutionary biologist by education, wrote a scientific paper titled "The Tragedy of the Commons" in the peer-reviewed journalSciencein 1968. The paper addressed the growing concern of overpopulation, and Hardin used an example of grazing land take from early English economist William Forster Lloyd when describing the adverse effects of overpopulation.

In Lloyd's example, grazing lands held as private property will see their use limited by the prudence of the land holder in order to preserve the value of the land and health of the herd. Grazing lands held in common will be oversaturated with cattle because the food the cattle consume is shared among all herdsmen. Hardin's point was if humans faced the same issue as in the example with herd animals, each person would act in his own self interest and consume as much of the commonly accessible scarce resource as possible, making the resource even harder to find.

The Economics of Tragedy of the Commons

In economic terms, the tragedy of the commons may occur when an economic good is both rivalrous in consumption and non-excludable. These types of goods are called common-pool resource goods (as opposed toprivate goods, club goods, orpublic goods).A good that is rivalrous in consumption means that when someone consumes a unit of the good, then that unit is no longer available for others to consume; all consumers are rivals competing for the good, and each person's consumption subtracts from the total stock of the good available. Note that in order for a tragedy for the commons to occur the good must also be scarce, since a non-scarce good cannot be rivalrous in consumption; by definition there is always plenty to go around. A good that is non-excludable means that individual consumers are unable to prevent others from also consuming the good.

It is this combination of properties (scarcity, rivalry in consumption, and non-excludability) that creates the tragedy of the commons. Each consumer maximizes the value they get from the good by consuming as much as they can as fast as they can before others deplete the resource, and no-one has an incentive to reinvest in maintaining or reproducing the good since they can not prevent others from appropriating the value of the investment by consuming the product for themselves. The good becomes more and more scarce and may end up entirely depleted.

Overcoming the Tragedy of the Commons

A critical aspect to understanding and overcoming of the tragedy of the commons is the role that institutional and technological factors play in the rivalry and excludability of a good. Human societies have evolved many varied methods of dividing up and enforcing exclusive rights to economic goods and natural resources, or punishing those who over consume common resources over the course of history.

One possible solution is top-down government regulation or direct control of a common-pool resource. Regulating consumption and use, or legally excluding some individuals, can reduce overconsumption and government investment in conservation and renewal of the resource can help prevent it's depletion. For example government regulation can set limits on how many cattle may be grazed on government lands or issue fish catch quotas. However, top-down government solutions tend to suffer from the well knownrent-seeking,principal-agent, and knowledge problems that are inherent in economic central planning and politically driven processes.

Assigning private property rights over resources to individuals is another possible solution, effectively converting a common-pool resource into a private good. Institutionally this depends on developing some mechanism to define and enforce private property rights, which might occur as an outgrowth of existing institutions of private property over other types of goods. Technologically it means developing some way to identify, measure, and mark units or parcels of the common pool resource off into private holdings, such as branding maverick cattle.

This solution can suffer from some of the same problems as top-down government control, because most often, this process of privatization has occurred by way of a government forcibly assuming control over a common-pool resource and then assigning private property rights over the resource to its subjects based on a sale price or simple political favor. In fact, this was what Lloyd was actually arguing for, as he was writing around the time of the English Parliament's Inclosure Acts, which stripped traditional common property arrangements to grazing lands and fields and divided the land into private holdings.

This brings us to another popular solution to overcoming the tragedy of the commons, that of co-operative collective action as described by economists lead by NobelistElinor Ostrom. Before the English Inclosures, customary arrangements among rural villagers and aristocratic (or feudal) lords included common access to most grazing and farm lands and managed their use and conservation. By limiting use to local farmers and herders, managing use through practices such as crop rotation and seasonal grazing, and providing enforceable sanctions against overuse and abuse of the resource, these collective action arrangements readily overcame the tragedy of the commons (and other problems).

In particular, collective action can be useful in situations where technical or natural physical challenges prevent convenient division of a common-pool resource in to small private parcels, by instead relying on measures to address the good's rivalry in consumption by regulating consumption. Often this also involves limiting access to the resource to only those who are parties to the collective action arrangement, effectively converting a common pool resource in to a kind of club good.

Historical Examples of The Tragedy of the Commons

The Grand Banks fishery off the coast of Newfoundland is a prime example of the tragedy of the commons. For hundreds of years, fishermen in the area believed the fishing grounds to be abundant with cod fish, because the fishery supported all the cod fishing that they could do with existing fishing technology while still reproducing itself each year through the natural spawning cycle of cod fish. However, in the 1960s, advancements in fishing technology made it so fishermen could catch comparatively massive amounts of cod fish, which meant that cod fishing was now a rivalrous activity; each catch left fewer and fewer cod fish in the sea, enough to begin depleting the breeding stock and reducing the amount that could be caught by the next fisher or the next season. At the same time, no effective framework of property rights nor institutional means of common regulation of fishing was in place. Fishermen started competing with each other to catch increasingly larger amounts of cod, and by 1990, the population of cod fish in the region was so low, the entire industry collapsed.

In some cases the tragedy of the commons can lead to the complete and permanent elimination of the common-pool resource. The extinction of the dodo bird is a good historical example. An easy to hunt, flightless bird native to only a few small islands, the the dodo made a ready source of meat to feed hungry sailors traveling the southern Indian Ocean. Due to overhunting, the dodo was driven to extinction less than a century after its discovery by Dutch sailors in 1598.

Something to note here in light of the previous sections, is that Hardin's originally cited example was not an historical example of a tragedy of the commons. English grazing lands in Lloyd's time had long since ceased to be a common-pool resource, but simply were transitioning from a common property collective action arrangement toward a more privatized land holding arrangement due to other social, economic, and political trends.

QUESTION

That the climate is changing is pretty much settled though there remains disagreement on exactly what the cause of climate change is. is it human caused or is it a natural cycle, or maybe both!

Regardless, countries have come together at Kyoto and Paris to try create a cooperative framework for dealing with climate change. Recall from the chapter on political science that the international system is anarchic. Each state is sovereign and there is no law that compels states to act against their perceived interests. As Garret Hardin pointed out years ago, crafting cooperative arrangements to solve problems when each participant continues to pursue their own self interest is difficult if not almost impossible. [Read the material under Lessons carefully]

After reading the chapter carefully I want you to craft an essay that explores the problems with international agreements of climate change. Be sure to directly address the Kyoto agreement and the Paris agreement in your response. What does Hardin say about the problems with collective action.

Shoot for about five hundred words.

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