The most popular article in the leading economics Web archive doesn't concern tax policy, international trade, or the theory of the firm. It's about an online fantasy game.
During the past year, nearly 16,000 people have downloaded a 40-page economic analysis of EverQuest, Sony's popular online fantasy world of Norrath. "Virtual Worlds: A First-Hand Account of Market and Society on the Cyberian Frontier," by California State Fullerton economics professor Edward Castronova, is the No. 1 article in the history of the Economics Research Network, an Internet library of tens of thousands of professional journals and research papers in economics. The article, which you can download here, not only outpaces the online works of every Nobel laureate, it is also the fourth-most popular article on the entire Social Science Research Network, which contains more than 75,000 professional articles and abstracts in range of social sciences.
For cybergaming naifs—most males over age 30 (me included) and almost all women—virtual worlds are elaborate, multiplayer, role-playing online environments in which each player's actions can affect many others. At any given moment, 50,000 or more people from more than 120 countries are online at EverQuest, moving their personal "avatars"—wizards, trolls, amazonlike women, and a dozen other types—through the fanciful landscapes of Norrath. These dramas unfold on more than 40 dedicated Sony servers, each accommodating up to 2,000 players interacting with the program and each other. (EverQuest is only one of several popular MMORPGs—"massively multiplayer online role-playing games." The oldest, Ultima Online, has 225,000 players; and the largest, Lineage, has more than 4 million subscribers, mostly in Korea.)
What intrigues Castronova and other economists about EverQuest—beyond the fact that more than 500,000 people pay Sony $13 a month to participate—is that something resembling a nascent economy has emerged in Norrath. Inadvertently, EverQuest has become a virtual experiment in some of the fundamental questions in economics: What are the necessary conditions for markets; how much government does capitalism require; and how do equality and inequality affect economic development?
According to Castronova's account of it, EverQuest has something to gratify economists of all political stripes. For natural-law types, Norrath suggests that the conditions for vibrant markets to develop are pretty minimal. Libertarians can delight that "government," in the form of rules restricting a player's activity, is also limited in Norrath. And liberals can take heart that Norrath's market and society rest on initial conditions of radical equality.
The most basic condition for market activity built into EverQuest is that resources in Norrath are limited. In particular, a player chooses his avatar's initial traits, but a character with the power to heal wounds, for example, will lack agility; and another smart enough to decipher codes will be physically weak. Unlike real life, therefore, everyone in Norrath starts out with roughly equal resources.
The second basic condition of self-regulating economic life in this virtual world, as in our own, is that nothing is free. An avatar's initial assets aren't enough to make much headway in the game, so players intent on navigating Norrath's challenges have to work at either developing new skills or earning new assets.
The intriguing part is that most MMORPG players expand their assets and abilities not through violence or chicanery, the modus operandi of a typical single-player computer game, but through virtual market transactions. Hundreds of thousands of EverQuest players spend most of their time in Norrath trading or cooperating with other avatars, buying goods from creatures ("bots") built into the program, or using auction sites inside the game. To facilitate this, EverQuest adopted two other key conditions from real economic life: A currency called "platinum pieces," or PP, can be earned by completing various tasks, and there are rudimentary rules for buying, selling, and bartering.
These few conditions are apparently all it takes to precipitate capitalism in cyberspace. As in a real economy, virtual market conditions change in response to how players behave. For example, shrewd players who know Norrath's nooks and crannies will purchase goods in a game zone where they've become abundant and then sell them in another where they're in greater demand.
The kicker for economists is that these virtual economic relationships have broken into the real U.S. economy. When players found EverQuest's bartering rules inadequate, they started exchanging the armor, spells, and other Norrathian objects of value at real-world auction sites. These transactions are conducted not in Norrathian PP but in U.S. dollars and then completed between avatars inside the game. (You pay in dollars at a real-world site, then the seller's avatar gives your avatar the goods in Norrath.) You can even buy another player's avatar, complete with its accumulated skills and assets. Sony tried to stop all these transactions and persuaded eBay and Yahoo! Auctions to bar them on the grounds that they involve Sony's intellectual property. But this kind of protectionism is hard to enforce whether the goods are real or virtual: Trade in Norrathian goods and services simply migrated to other sites.
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