Aexists when private enterprise reserves the right to own property and monitor the production and distribution of goods and services while the state simply supports competition and efficient practices.

Market Economy

Explanation:

When the owner of the organisation has the right to own property and to track or monitor their production activities and the state supports and frame such policies to check such efficient practices and support fair competitions between the organisation, a market economy exists within the states. The establishment of a fair market economy is very important and plays a major role in the economy of the country.

Thus the answer is Market Economy.

i have to go with a for this one

the answer to your question is,

old stone age.

-mabel < 3