Hello experts, I have posted this question many times in chegg, but every time people answering this question to use ai tool like chatgpt, please dont use gpt and other ai tool. Question: The branch of economics concerned with overall performance of the economy is known as (A) Microeconomics (B) Macroeconomics (C) Econometrics (D) Keynesian Economics Please Don't use chatgpt or other ai tool. If you know correct answer then attempt if you gave wrong answer then i gave 30 dislikes for you and more from my friends accounts also.