All of these are found in a command economy except
a)
minimum wage.
b)
environmental controls.
eliminate
c)
ownership of corporate stock.
d)
government regulation of the economy.

All of the above are found in a command economy except ownership of corporate stock.

Correct answer choice is: 
 
C) ownership of corporate stock

In this sort of economy, people can not trade in free marker. The government determines the prices for the exchange of goods and services in controlled markets and then the buyers and sellers can exchange the products at that price. All the prices including the hourly rates of the workers are set by the government and the public has to strictly follow that.