We study how competition impacts innovation (and welfare) when firms compete both in the
product market and in innovation development. This relationship is complex and may lead to …

This paper formulates a duopoly model of firms concerned with relative profits as well as
their own profits and investigates the relationship between the degree of competitiveness in …

Under the influence of international green trade barriers, export scale of China's heavily
polluting enterprises is reduced. How to improve the export vitality and corporate image of …

This article analyses how horizontal mergers affect innovation of the merged entity and its
non-merging competitors. Using data on horizontal mergers among pharmaceutical firms in …

We investigate the relationship between competition and privatization policies. Existing
studies measure the strength of competition based on the number of firms, and show that the …

We analyze firms' supply chain transparency and ethical production practices using a game‐
theoretic approach. If the rival's supply chain is more likely to be ethical and the technology …

This article investigates the relationship between the Herfindahl–Hirschman Index (HHI) and
welfare in multiple‐leader Stackelberg models. We formulate two long‐run models of free …

This study discusses the possible benefits of inviting entrants for downstream retailers when
facing the encroachment of their upstream manufacturers. We consider a model comprising …

This is a key year for the evolution of international markets. The global economy is
experiencing the most severe downturn since the thirties, it is temporarily leaving a path of …

This paper theoretically considers a duopoly model in which all firms do not always employ
personalized pricing. Our model incorporates the fact that firms engage in marginal cost …