Hree major schools of thought in modern of economic thought is a group of economists who share common ideas about economic macroeconomics are Classical, Keynesian, and Monetarist Macroeconomics. Therefore, a school philosophy, hold similar opinions on how the economy functions, and usually apply similar methodologies in their analyses. Under these three major schoolsof

The text you provided describes three major schools of thought in modern macroeconomics: Classical Macroeconomics, Keynesian Macroeconomics, and Monetarist Macroeconomics. It defines a school of economic thought as a group of economists who share common ideas about economic philosophy, have similar opinions on how the economy functions, and use similar methodologies in their analyses. The text cuts off before listing details under these schools.