for mergers to alter the boundaries of competition has important implications for evaluating their impact on social …

The monopolistic competition model is suitable for markets with a large group of relatively small firms. However, it … large number of products. Such a market structure would require a full-fledged oligopolistic competition model, which is the … utility function. In contrast to other oligopolistic competition models with multiproduct firms, the model in this paper has …

We investigate whether the relationship between competition and risk varies across different types of Japanese banks … Cooperative banks) with a regional focus The relationship between competition and risk also varies across bank types based on … different initial levels of risk. Iincreasing competition appears to reduce the risk of (City) banks with higher initial levels …

introduce process innovations to lower their production costs. Product innovations introduce an escape-competition effect … coevolution of market and network structure matter for the relationship between competition and innovation. Moreover, our model … to different levels of competition in these industries. …