in macroeconomics the economy can best be understood through the use o
Keynesian economics Macroeconomics is the study of the factors applying to an economy as a whole, such as the overall price level, the interest rate, and the level of employment (or equivalently, of income/output measured in real terms).
Supply-side economics Supply-side economics is a macroeconomic theory arguing that economic growth can be most effectively created by lowering taxes and decreasing regulation.[1][2] According to supply-side economics, consumers will then benefit from a greater supply of goods and services at lower prices and employment will increase.[3] It was started by economist Robert Mundell during the Ronald Reagan administration.