The basis for this argument is that consumption tax takes a larger percentage of income from low income earners than from high income earners. This is because consumption tax is uniformly applied to all people irrespective of their situation.<span />
<span>This would show that Will does not have a homothetic preference for hamburgers. Such preferences are shown to not be effected by income or scale, and since Will has changed his eating preferences based upon this new source of income, such a description would not fit this good.</span>