Suppose that Manuel, an economist from a business school in Georgia, and Poornima, an economist from a school of industrial relations, are arguing over budget deficits. The following dialogue shows an excerpt from their debate: Poornima: Most people recognize that the budget deficit has been rising considerably over the last century. We need to find the best course of action to remedy this situation.
Manuel: I believe that a cut in income tax rates would boost economic growth and raise tax revenue enough to reduce budget deficits.
Poornima: I actually feel that raising the top income tax rate would reduce the budget deficit more effectively.

The disagreement between these economists is most likely due to .

Despite their differences, with which proposition are two economists chosen at random most likely to agree?