What role does the consumer play in a free market economy?

Consumers usually make up the majority of a free market economy. Their role is spending. If there is a lack of spending of the consumer the free market suffers. If the spending decreases to much then it can cause a recession or a depression. The the government also usually keeps track of the consumer spending and use it as valuable information in seeing how stable the economy is  .

a) which ethnic groups live in this community?

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