The formula that will tell you how long it will take for the value of a dollar to be cut in half. The income that has not been adjusted for inflation usually resulting in decreasing purchasing power. The non-preferred stage for the business cycle that is unfortunately inevitable. A broad measure of changes in the prices of all goods and services purchased for consumption by urban households. The stage in the business cycle in which unemployment is low and production of goods is high. The risk involved when the buying power decreases over time due to inflation. The general term used to describe the wavelike pattern of rising and falling economic activity