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 a variety of special sales tax cases in which certain items are exempt or subject to special tax rates: Special sales tax rates of 4.5% apply to the sale of motor vehicles, and 1% on the sale of computer and data processing services. All sales, rentals, leases, and title transfers of goods are subject to the general state sales tax. 1  Clothing costing less then $50 is fully exempt from the sales tax.