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.
Connecticut has four state taxes that apply to some or all types of fuel (petroleum fuels, electricity, and natural gas) or petroleum products. These taxes are the (1) sales tax, (2) motor vehicle fuels tax, (3) petroleum products gross earnings tax, and (4) public service company tax.