Sometimes Economists Disagree Because Their Values Differ

question 3

Multiple Choice

Sometimes economists disagree because their values differ.Which of the following instances best reflects this source of disagreement?

• A)One economist believes the North American Free Trade Agreement (NAFTA)has led to a loss of American jobs;another economist disputes this claim.
• B)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.
• C)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.
• D)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.

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Definitions:

Glycolipids

are lipids with a carbohydrate attached by a glycosidic linkage, primarily involved in cell recognition and membrane structure.

Glycoproteins

Proteins that have carbohydrate groups attached to the polypeptide chain, playing key roles in cellular functions such as cell-to-cell interaction.

Phospholipids

A class of lipids that are a major component of all cell membranes as they can form lipid bilayers.

Hydrophilic Head

The part of a molecule, especially in lipids, that is attracted to water, allowing it to interact favorably with aqueous environments.