Social and Behavioral Sciences Commons^™

Against Endowment Theory: Experimental Economics And Legal Scholarship, Greg Klass, Kathryn Zeiler

Faculty Scholarship

Endowment theory holds the mere ownership of a thing causes people to assign greater value to it than they otherwise would. The theory entered legal scholarship in the early 1990s and quickly eclipsed other accounts of how ownership affects valuation. Today, appeals to a generic “endowment effect” can be found throughout the legal literature. More recent experimental results, however, suggest that the empirical evidence for endowment theory is weak at best. When the procedures used in laboratory experiments are altered to rule out alternative explanations, the “endowment effect” disappears. This and other recent evidence suggest that mere ownership does not …