Question

Four sector model is also called:
A) International model
B) Open economy model
C) closed economy model
D) None of the above​

Answer 1

Answer:

option d is the answer because

Four sector model studies the circular flow in an open economy which comprises of the household sector, business sector, government sector, and foreign sector. ... When the domestic business firms export goods and services to the foreign markets, injections are made into the circular flow model.

Answer 2

Answer:

B) Open economy model

Mark it as the brainliest answer.