In a market economy, market prices are determined through buying and decisions. [government] [selling] [consuming]

The answer is: Selling

The market price refers to the price that offered in order for certain types of products  to be acquired by consumers.

The buying and selling activities in the market economy would constantly moving until eventually it find an equilibrium spot where both sellers and consumers perceived as fair.

for your question the answer would have to be france

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.