Any such changes are explained in the Monetary Policy Report. For more detail, see R. Beard, A.-K. Cormier, M. Francis, K. Gribbin, J.-D. Guénette, C. Hajzler, K. Hess, J. Ketcheson, K. Mo, L. Poirier and P. Selcuk, “Assessing Global Potential Output Growth: April 2018,” Bank of Canada Staff Analytical Note No. 2018-9 (April 2018).
Let me now offer a few observations on cost, demand, and the microeconomics of e-commerce. The cost structure of electronic networks tends to be characterized by high fixed costs and very low marginal operating costs. This also appears to be true of the cost structure of a number of firms engaged in e-commerce.