The incidence of the burden of a tax is usually presented as an application of elasticity in introductory economics. A more useful exposition of tax incidence results if slope is used rather than elasticity.

While there was no abstract for this brief paper, it clarifies for students that demand and supply slopes convey the burden of taxation discussion at least as well as does the more typical discussion employing elasticities.

While the paper lacks a formal abstract, it draws the important distinction between stocks and flows in supply and demand to better understand the business cycle.

The brief paper lacks an abstract, but clarifies a point of considerable confusion among students of economics.