Someone who studies how the force of supply and demand determines how resources are put to use and what they cost
{i} specialist in economics, expert in the study of the management of goods and services, economic expert
One who economizes, or manages domestic or other concerns with frugality; one who expends money, time, or labor, judiciously, and without waste
An economist is a person who studies, teaches, or writes about economics. a British weekly magazine which reports business news and has articles about the economic situation in the UK and other countries, about large companies etc. someone who studies the way in which money and goods are produced and used and the systems of business and trade