The classical school emphasizes production of goods and services as the key focus of economic analysis. Neoclassical economics focuses on how individuals operate within an economy. As such, the neoclassical school emphasizes the exchange of goods and services as the key focus of economic analysis.. (Source : Difference Between Classical & Neoclassical Economics | eHow) Here's information about the dates of emergence of neoclassical economics:
A random sampling of other states indicates the issue is mixed. For example, Illinois taxes the equipment if it is used in a manufacturing process. In Maine, there is no exemption. In Connecticut, all fire safety equipment is exempt.
Claiming the exemption. In order to purchase qualifying manufacturing machinery and equipment or installation, repair, or maintenance services exempt from tax, the manufacturer must furnish the seller with a properly completed Nebraska Resale or Exempt Sale Certificate, Form 13, with Section B completed.