When the price of good X rises, the demand for good Y rises. Explain what this relationship implies about the two goods

In the income-expenditure model, the 45-degree line

A) shows total expenditures at various price levels. B) marks all equilibrium output levels. C) is also called the planned expenditures line. D) is the locus of all the points for which output equals expenditures.

At the Great Exhibition in London (1851), American products were a primary attraction because they were:

a. elegantly designed. b. very long lasting. c. cheap and functional. d. handmade by skilled artisans.