Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Some authors have modeled the multiproduct price competition in di erentiated
goods where, as in our model, consumers can engage in mixing purchases between shops.
Lal and Matutes (1989) have studied price competition in a duopoly selling two independent
goods. They nd that in equilibrium retailers will charge di erent but deterministic
prices and may even capture the entire consumer surplus of the less mobile consumers.
As opposed to our model in Lal and Matutes (1989) goods are di erentiated (for some
consumers), the consumers di er in their willingness to pay and there is a economies
of scale in shopping. In contrast, we assume that the two goods are...
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