I believe the answer is: Drive theory
Drive theory refers to The theory that aimed to find the explanation of why an individual behave they way he/she does.
The analyzation process in this theory often started with physical needs before moving up to other complex desire.
The transition economy might have problems with rising unemployment, inflation, lack of entrepreneurship and skills, corruption, lack of legal system, moral hazard and inequality. With these problems that the transition economy will have, it might turn foreign investors and will not invest.
Checks and balances are counterbalancing influences by which an organization or system is regulated, typically those ensuring that political power is not concentrated in the hands of individuals or groups. The delegates made this apart of the U.S constitution so that 1 branch could not over power the other 2.