This study investigates how an increase in the price of petroleum and natural gas would alter commodity prices in Ontario, and then estimates the effects on production and employment. A 100 per cent increase in energy prices is assumed. Using the Ontario input-output table it is found that commodity price increases would be relatively small, on average 2.7 per cent over-all and less than 1.6 per cent in basic manufacturing. However, using Cobb-Douglas...