The Science of Macroeconomics Consider the different issues listed below. Place each of them into the appropriate category, depending upon whether the issue is best suited for study under microeconomics or macroeconomics.
A. Congress recently passed the Tax Cuts and Jobs Act of 2017.
B. Amazon now has a 40% share of all e-commerce revenues.
C. Tuition at the local university increased 11% from last year.
D. The U. S. unemployment rate fell below 4% in 2018.
1. Microeconomics
2. Macroeconomics

Macroeconomics deals with events that affects the entire country or industry as a whole while Microeconomics affects individual members of the economy such as companies and people.

A. Congress recently passed the Tax Cuts and Jobs Act of 2017. MACRO

This Act will affect the entire nation so it will fall under Macroeconomics.

B. Amazon now has a 40% share of all e-commerce revenues. MICRO

Amazon is a single company in the market so things related to it will be considered on a micro economic level.

C. Tuition at the local university increased 11% from last year. MICRO

The local university like Amazon, is a single body in the economy and so they are a microeconomic player.

D. The U.S. unemployment rate fell below 4% in 2018. MACRO

The unemployment rate of a nation relates to the nation as a whole so this will fall under macroeconomics.

a

explanation:

answernet income for 2017 will be greater if the inventory quantity declines;