好抽象！！！！

书上的定义是这样的
productive efficiency: the situation in which a good or service is produced using the least amount of resources.
allocative efficiency: a state of the economy in which production reflects consumer preferences;in particular, every good or service is produced up to the point where the last unit provides a marginal benefit to consumers equal to the marginal cost of producing it.
dynamic efficiency: occurs when new technologies and innovation and adpoted over time.
太抽象了，谁能用简单的语言帮我描述下啊~~~

太好了，谢谢

太好了，谢谢

太好了，谢谢