Based on product differentiation, this paper researches the innovation of agricultural biotechnology. In the duopoly structure, the company's investment in innovation is affected by the product differentiation, and the greater the difference, the greater the willingness to increase investment...

How large are the welfare gains from trade? Would such gains be significantly amplified in the long run when productivity is endogenously enhanced? To address these questions, we focus on the dynamic effect of trade, in particular, how trade affects the incentives for technological advancement....

How large are the welfare gains from trade? Would such gains be significantly amplified in the long run when productivity is endogenously enhanced? To address these questions, we focus on the dynamic effect of trade, in particular, how trade affects the incentives for technological advancement....