Question

could an economy ever be a pure market economy? that is, could the business sphere function in isolation from other spheres? there may be more than one correct answer. the business sphere cannot exist in isolation. governments (public purpose sphere) define property rights and enforce contracts, which are necessary institutions for the market to work. the business sphere cannot exist in isolation. families (core sphere) raise children with support from public schools (public purpose sphere), training them to behave in keeping with the values of their society, which is needed for the societal trust markets need. the business sphere has expanded over time, taking over many functions from the core sphere. this process could continue indefinitely until the business sphere absorbs

Explanation:

A pure market economy requires the business sphere to function in isolation, but in reality, the business sphere is intertwined with other spheres. Governments define property - rights and enforce contracts which are essential for markets. Also, family and public - purpose spheres like schools help in shaping the values of individuals which is necessary for societal trust in markets.

Answer:

The business sphere cannot exist in isolation. Governments (public purpose sphere) define property rights and enforce contracts, which are necessary institutions for the market to work.
The business sphere cannot exist in isolation. Families (core sphere) raise children with support from public schools (public purpose sphere), training them to behave in keeping with the values of their society, which is needed for the societal trust markets need.