Which one of the following is not a central problem of an economy?

Identify the correct statements in respect to microeconomic theories?

suppose an individual with same working condition got three alternative job in his hand he has selected the best and need to forgone the next best alternative. Identify the indicated cost in the aforesaid statement.

The scarcity of resources in the economy gives rise to the problem of............

Positive Economics deals with_______________

Which of the following is not correct statement ?

An institution which organizes the free interaction of individuals pursuing their respective economic activities, is known as...........