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Full-Text Articles in Social and Behavioral Sciences
Collective Choice, Justin Schwartz
Collective Choice, Justin Schwartz
Justin Schwartz
This short nontechnical article reviews the Arrow Impossibility Theorem and its implications for rational democratic decisionmaking. In the 1950s, economist Kenneth J. Arrow proved that no method for producing a unique social choice involving at least three choices and three actors could satisfy four seemingly obvious constraints that are practically constitutive of democratic decisionmaking. Any such method must violate such a constraint and risks leading to disturbingly irrational results such and Condorcet cycling. I explain the theorem in plain, nonmathematical language, and discuss the history, range, and prospects of avoiding what seems like a fundamental theoretical challenge to the possibility …
Are Those Who Ignore History Doomed To Repeat It?, Peter Decherney, Nathan Ensmenger, Christopher S. Yoo
Are Those Who Ignore History Doomed To Repeat It?, Peter Decherney, Nathan Ensmenger, Christopher S. Yoo
All Faculty Scholarship
In The Master Switch, Tim Wu argues that four leading communications industries have historically followed a single pattern that he calls “the Cycle.” Because Wu’s argument is almost entirely historical, the cogency of its claims and the force of its policy recommendations depends entirely on the accuracy and completeness of its treatment of the historical record. Specifically, he believes that industries begin as open, only to be transformed into closed systems by a great corporate mogul until some new form of ingenuity restarts the Cycle anew. Interestingly, even taken at face value, many of the episodes described in the …