What is NOT a source of difficulty in the estimation of the impact of microfinance projects?

we do not observe what would have happened in absence of the microfinance project

participants systematically differ from non participants in their propensity to benefit from micro-loans

microfinance programs are not located randomly, they are often located in disfavoured areas

microfinance programs are often targeted to women

What is NOT a source of difficulty in the estimation of the impact of

1.	What is NOT a source of difficulty in the estimation of the impact of microfinance projects?
A.	we do not observe what would have happened in absence of the microfinance project
B.	participants systematically differ from non participants in their propensity to benefit from micro-loans
C.	microfinance programs are not located randomly, they are often located in disfavoured areas
D.	microfinance programs are often targeted to women
Answer» E.