If the liabilities owing producers were recorded routinely, provincial natural gas revenue would be less than zero in two of the last four years. In current dollars, BC’s gas income, including rights sales, declined by more than $2.5 billion, comparing 2016 to 2001. Of course, the volume of production was much higher in 2016.

Blair Fix at _Economics from the Top Down_ also wrote two very good papers on the converion of housing into…