Brokers tried to sell stocks, but no one wanted to buy them.
This is what led to the crash of 1929.
Answer:
A key drawback with the use of tests to screen individuals for desirable characteristics is that It is a time-consuming procedure.
It is very important for the employees to know exactly what they must look into and assess the characteristics accurately. This process is very time consuming and takes up a lot of patience and resources to carry the tests.
A study that would need to occur quickly cannot indulge into this testing process because of it being very tedious and time consuming.
I see most of the statements are correct. Please see if the question asks for INCORRECT statement instead. If so, then the answer is In a Market economy, competition is controlled by the government.
If the question is really asking for all correct statements, please mention in comment and I will list them out.