Megan: 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. larry: i believe that a cut in income tax rates would boost economic growth and raise tax revenue enough to reduce budget deficits. megan: i actually feel that raising the top income tax rate would reduce the budget deficit more effectively.

The answer is "The disagreement between these economists is most likely due to differences in scientific judgments."

It isn't surprising that as the inquiry proceeds with, researchers at times differ about the bearing in which truth lies. Economists regularly differ for a similar reason. Economics  is a youthful science, and there is still much to be educated. Economists here and there differ in light of the fact that they have distinctive hunches about the legitimacy of elective hypotheses or about the extent of critical parameters that measure how monetary factors are connected.

answer; i believe the correct answer is (4.0);

the third answer is correct.