Which of the fallowing goals is difficult to achieve in a pure free market system?economic freedoom, economic growth, economic equity,

Economic Equity

Explanation:

The free market, free market or liberal market (these terms begin to be in disuse, replacing them with market economy) is the system in which the price of goods is agreed upon by consent between sellers and buyers, through laws of supply and demand. Requires for its implementation of the existence of free competition, which in turn requires that among the participants of a commercial transaction there is no coercion, no fraud, etc, or, more generally, that all transactions are voluntary.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

it apply by theyre artifacts