英语翻译如果一国专门生产x,另一国专门生产y,在规模经济的作用下,x和y的生产成本都会下降,然后两国在进行交换,则双方福
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If a country mainly produces product X and another mainly produces product Y, under the effect of economies of scale, the production costs of X and Y will be lowered. When the two products are exchanged between the two countries, welfare of the two products will be increased, which as shown in the chart is: the utility level reached at equilibrium point E after exchange is higher than that reached at equilibrium point A before division of labor and exchange.