The "marginal tax rate" in going from $20, 000 to $30,000 of income is _________. Using the table below, answer the question that follows the table:

The area inside (within) the production possibilities frontier (ppf) contains ________ points.

The demand for dvd players does not change when a change in _______ occurs.

The demand will be _______________ if the consumer has _________ substitute goods to choose from

The hawthorne studies were designed to measure the effect of the work _______ on productivity.

The tragedy of the commons occurs because some goods are ________ in consumption.

Most u.s. corporate and government bonds choose to make ________ coupon payments.

Most mature corporations distribute ____ of their after-tax profits as dividends to stockholders.

Mortgage lenders probably have the most interest in the ______ ratios.

More companies fail for the lack of ________ than for the lack of ________.

Low-load mutual funds usually have sales charges of ____ percent.