4. Why is the unemployment rate referred to as an economic variable? The unemployment rate is referred to as an economic variable because the unemployment rate is O A. a measure of scarcity O B. determined by a model O C. measurable and can take different values O D. either correct or incorrect 5. Which of the following statements is a normative statement? O A. In August 2018, Ontario lost fewer jobs than Alberta. O B. The number of people employed in Canada in August 2018 is greater than the number employed in August 2017. O C. Canada's unemployment rate in August 2018 is too high. O D. The Bank of Canada won't raise its benchmark interest rate in October 2018