Which of the following would be categorized as "land"?

During World War II (1941–45), Engel's law applied. As income rose, consumption of food dropped relative to all other goods and services purchased

Indicate whether the statement is true or false

If marginal revenue exceeds marginal costs

A) production should be increased. B) production should be increased and profits will grow. C) production should be increased and losses will decrease. D) all of these choices are possible.

The real exchange rate generally has ________ relationship with aggregate expenditure.

A. a negative B. no C. a positive D. a constant

Suppose Country A, a labor-abundant country, produces only wheat and cloth. The following equations illustrate the prices and costs of wheat and cloth in the country. The numbers indicate the amounts of labor and land needed to produce a unit of wheat and cloth. 'W' is the wage rate and 'r' is the rental rate of land.Price of wheat = 1w + 2rPrice of cloth = 2w + 1rIf the initial prices of wheat and cloth are $3 per unit, the labor cost per unit of wheat output is ________ and the rental cost per unit of wheat output is

A. $1; $2. B. $2; $1. C. $2; $3. D. $3; $2.