[名词解释] 总收益(Total revenue)
[单选题]A firm in a perfectly competitive environment has its total costs equal to
[名词解释] 边际收益(Marginal revenue)
[主观题]Margina revenue(MR)边际收益
[名词解释] Margina revenue(MR)边际收益
[名词解释] 边际收益产品(Marginal revenue product)
[主观题]总效用(Total utility)
[主观题]总剩余(Total surplus)
[名词解释] 总效用(Total utility)
[名词解释] 总剩余(Total surplus)