In the above table, the cross price elasticity of demand (using averages) for Z with good X, when PX increases from $12 to $15, is approximately equal to

As Mary's income increases by 20 percent, her demand for tickets to National Hockey League games increases by 10 percent. Mary's demand for tickets is income ________; for Mary, hockey tickets are ________ good

A) elastic; a normal B) inelastic; a normal C) elastic; an inferior D) inelastic; an inferior

What does a study of immigration figures before 1921 indicate?

(a) An overwhelming majority of immigrants came from the British Isles. (b) Voluntary immigrations slowed as 1921 approached. (c) The diversification of immigrants increased since the colonial period of U.S. history. (d) It is not possible to link immigration patterns and growth in the U.S. economy.