I'm right back at it again. Just like I've always said, you're too cool for school. You ain't here to make no friends. I'm right back at it again. Just like I have always said, you're too cool for school. You ain't here to make no friends. So here I am, I'm right back at it again. You ain't here to make no friends.
Economic efficiency is, roughly speaking, a situation in which nothing can be improved without something else being hurt. Depending on the context, it is usually one of the following two related concepts: 1  Allocative or Pareto efficiency: any changes made to assist one person would harm another.
Popular Answers. 1  Productivity = Output / Input. Efficiency = Doing things right. 2  Productivity refers to the conversion level of inputs into outputs. A process that can produce more output using less inputs is more proactive. Efficiency in the economic sense mean that things should be done in an economic way considering that resources are scarce.