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Cities, Property, And Positive Externalities, Gideon Parchomovsky, Peter Siegelman

Peter Siegelman

Cities are the locales of numerous interactions that generate externalities—both negative and positive. Although the common law provides a vast array of mechanisms for limiting negative externalities, there is a striking absence of provisions for stimulating the production of positive ones. As a consequence, activities whose social benefits are greater than their private costs are not undertaken, with a resulting efficiency loss.

In this Article, we demonstrate how cities can develop commercial districts that allow for the capture of positive externalities by following the example of suburban malls. In malls, anchor stores provide positive externalities—additional customers—to neighboring stores. Anchors capture …