Given the Fact That the Productivity Slowdown of the Mid-1970s

Multiple Choice

Given the fact that the productivity slowdown of the mid-1970s to the 2014 affected all industrial countries, which of the following explanations for the productivity slowdown in Canada is not likely to be correct?

A) A deterioration of the Canadian education system caused a decline in the quality of labour.
B) High oil prices increased costs.
C) Services became a larger fraction of GDP.
D) Firms had to meet stricter environmental regulations.