The role of competition and diversity in economic performance : an overview -- Concepts of economic competition and … -- Diversity and the evolution of competitive economic systems -- Competition, diversity, evolution and sustainability : are there … lessons from ecology? -- Market niches, competition and economic performance : more clues from ecology? -- Market impediments …

This paper explores the effects of innovation efficiency on technology gap and product diversity between a leading firm … and its competitor. Our analysis shows some interesting results: when innovation efficiency is sufficiently large and … firm will choose to reduce product diversity which intensifies price competition. We have also examined the role of …