If the price of pineapple juice was $4.50 a gallon and it is now $5.75 a gallon, what is the percentage change in price?

In both New Zealand and Canada, what has happened to the unemployment rate since the countries adopted inflation targeting?

A) The unemployment rate increased sharply. B) The unemployment rate remained constant. C) The unemployment rate has declined substantially after a sharp increase. D) The unemployment rate declined sharply immediately after the inflation targets were adopted.

If children can be considered durable goods, then this would help explain

(a) high birth rates among farm families. (b) small family size among farm families. (c) lower birth rates in towns than in the countryside. (d) lower birth rates in the countryside than in towns.