A demand curve is a. a graphical depiction of a demand schedule. Productivity has sped up in the past 20 years. Economic theory simplifies relationships to explain how the relationships interact. Economic models are small-scale versions of the economy. They represent the economy accurately.
Economists disagree on most economic issues facing an economy.
The economy is a social mechanism that transposes inputs into outputs. Corporations own a very small percentage of business assets. The federal government receives most of its revenue from personal income taxes and payroll taxes. A well-functioning market will have high monetary costs applied to high opportunity costs. Given its size, the United States does not have to worry about limitations on resources.