Introduction - If you have any usage issues, please Google them yourself
Prices are of great importance in macroeconomics as indeed they are in microeconomics. However, in
microeconomics we are more interested in prices of individual goods and services and such prices are
rarely important for the economy as a whole although there are exceptions (for example, the price of oil). In macroeconomics we are more interested in how prices change on average. We define the price level as a weighted average of several different prices