competition environments affect product prices. Using big data, we find that price variations are caused mainly by differential … competitive environments. More specifically, we find that Brand Competition Within Stores exerts the largest downward pressure on … prices. A 10 percent increase in the number of brands reduces prices by about 10 percent. Product Competition Within Stores …

propose a unifying theory to analyze the symptoms and the potential causes of this decline. We first highlight 10 pronounced … explain them. We then describe a theoretical framework of endogenous markups, innovation, and competition that can potentially … potential of growth theory for the analysis of factors behind declining business dynamism and the need for further investigation …

monopolistic competition. In the first version of the model, production of the firm is organised in activities producing either one …

productivity diminishes with any deviation of demand from its long-run level. -- increasing returns ; monopolistic competition … ; business cycle theory …

The modeling of monopolistic competition has contributed to rapid developments in numerous fields of economics, notably … survey and synthesis of the original monopolistic competition models and their subsequent developments, including the works … Lancaster (1966, 1979) that are based on the "love-of-characteristic" approach, and the large-group monopolistic competition …

In this paper, we study imperfect competition on a scale-free network. A scale-free network is not exceptional but … on quantity competition, the output and price are always the same as that in the monopoly regardless of the number of … competition. While Dixit-Stiglitz model ignores strategic interactions, our model takes it into account and derives monopolistic …

, which is diffi- cult to reconcile with the prediction of the standard model of monopolistic competition. To explain the data …, we incorporate imperfect common knowledge into the monopolistic competition model introduced by Melitz and Ottaviano …