5. Sometimes economists disagree because their scientific judgments differ. Which of the following instances best reflects
this source of disagreement?
One economist believes everyone should pay the same percentage of their income in taxes; another economist
believes that wealthier citizens should pay a higher percentage of their income in taxes.
One economist believes that manufacturing firms should face greater regulation to preserve the environment;
another economist believes the government should not intervene in free markets.
One economist believes that equality should be valued over efficiency in policy decisions; another economist
believes that efficiency should be valued over equality in policy decisions.
One economist believes the government should tax a household’s income; another economist believes the
government should tax a household’s consumption.
6. Differences in scientific judgment between economists are similar to all of the following except
astronomers debating whether the sun or earth was at the center of the solar system.
meteorologists debating the existence of global warming.
two politicians arguing about the fairness of the tax code.
explorers debating whether or not the earth was flat before the time of Christopher Columbus.
7. Sometimes economists disagree because their values differ. Which of the following instances best reflects this source of
disagreement?
One economist believes the North American Free Trade Agreement (NAFTA) has led to a loss of American
jobs; another economist disputes this claim.
One economist believes that when income taxes are cut, people will increase their spending; another
economist believes that when income taxes are cut, people will increase their saving.
One economist advises against increases in sales taxes because she thinks such increases are unfair to low-
income people; another economist disputes the idea that increases in sales taxes are unfair to low-income
people.
One economist believes that, prior to the Civil War, slavery contributed to economic growth in the South;
another economist believes that slavery held back the South’s economic growth.