Gu, Yiquan; Wenzel, Tobias - 2012
not "too" convex. As in the case of unit demand, the number of firms under free entry decreases in the fixed cost of entry … optimal level. Insufficient entry occurs when the fixed and transportation costs are high. -- Spatial Models ; Price …-Dependent Demand ; Horizontal Product Differentiation ; Demand Elasticity ; Excess Entry Theorem …