求助一道英语经济题Fresh food products deteriorate quickly in people's homes.Customers need to visit shops which sell fresh food frequently.How would demand for the shop's packaged goods( non-fresh fodd) be affected if they didn't stock the fresh food products?
问题描述：
求助一道英语经济题
Fresh food products deteriorate quickly in people's homes.Customers need to visit shops which sell fresh food frequently.How would demand for the shop's packaged goods( non-fresh fodd) be affected if they didn't stock the fresh food products?
答
fresh food and packaged goods( non-fresh fodd) are Substitutes. So if fresh food products were not privided anymore, the demand for te packaged goods( non-fresh fodd) will go up.The demand curve for t...