Following the smallcountry assumption, prices for imports and exports are determined in the worldmarket, meanwhile prices for domestic goods are determined by supply and demandconditions within domestic markets.

• 在小国假设下,进口品和出口品的价格由国际市场确定,国内商品的价格由国内市场的供给和需求唯一确定。 模型采用 CES(constant elasticity of substitution)函数和 CET(constant elasticity transformation)函数假定出口品、出口品、进口品与国内商品是不完全替代的。