The Long-Run Trend of Potential Output Refers To

The long-run trend of potential output refers to:

A) the long-run increase in the relative importance of durable goods in the Canadian economy
B) the long-run expansion or contraction of economic activity which occurs over a series of business cycles
C) fluctuations in economic activity that average 40 months in duration
D) fluctuations in economic activity that occur around holiday seasons
E) fluctuations in economic activity that average 8 or 9 years in duration