When economists speak of a firm's costs, they are usually excluding the opportunity costs

The mandate for the monetary policy goals that has been given to the Federal Reserve System is an example of a ________ mandate

A) primary B) dual C) secondary D) hierarchical

Specialization can occur because

A) governments pass laws that require it. B) varying skills differentiate workers. C) absolute advantage creates specialization among laborers. D) managers and laborers share job tasks.