Comparing neoclassical theory to Keynesian theory, it is safe to say that neoclassical theory places more emphasis on the government to solve problems while Keynesian theory places more emphasis on the market system to solve problems. neoclassical theory places more emphasis on the market system to solve problems while Keynesian theory places more emphasis on the government to solve problems. neoclassical theory and Keynesian theory both agree the government must be involved in the economy to get to full employment. None of the above