1. According to Atkinson and Hackler, neoclassical economists believe that setting a tax on carbon emissions will reduce the use of high carbon fuels and spur innovation to identify low-carbon alternatives that will make current clean energy sources more competitive.
2. The assumptions that neoclassical economics make about human behavior are that people will always behave to maximize their own interest. I think this assumptions is not realistic for human behavior to far to unpredictable.