novel way of measuring the shape of the cycle, the median change in price, and regresses this against a number of … explanatory variables in US markets. Here, we undertake a similar regression analysis, but using data from Perth, Australia, and …

price of greater than two percent are found for coal in one cycle, 1842 to 1897, and for oil in two cycles, 1897 to 1953 and …, the shift in motive power from coal to oil is associated with a rise in the price of oil relative to coal and, in the most … recent cycle, a trend decrease in the real coal price …