In the twelfth century, the bulk of world population lived in:

If the elasticity measure equals 0.6, then the demand is

A) elastic. B) unit elastic. C) inelastic. D) infinitely elastic.

You are a Canadian citizen who works in Toronto and owns a winter home in Phoenix, Arizona. When you spend the winters in Phoenix, an increase in the value of the Canadian dollar relative to the U.S. dollar should

A) help you as each Canadian dollar of your salary is now worth more U.S. dollars. B) hurt you as each Canadian dollar of your salary is now worth less U.S. dollars. C) hurt you as it is now more expensive to live in Phoenix since the Canadian dollar appreciation. D) help you as it is now less expensive to live in Canada since the Canadian dollar appreciation.