Which of the following is the key difference between a mixed-market economy and a planned economy? 1.mixed-market economies have no government influence, while planned economies are controlled by the government. 2.mixed-markets economies have no government influence, while planned economies are loosely regulated by the government. 3.planned economies have no government influence, while mixed-market economies are controlled by the government. 4.planned economies have no government influence, while mixed-market economies are loosely regulated by the government.