Thirteen powerpoint slides lead you through Dr. Thornton's presentation. There exist strong correlations between either the announcement or the completion of the world's tallest building and GDP, but it is not held that you can accurately forecast a recession or financial panic by this measurement. Thornton suggests the common cause is artificially low interest rates.
This lecture was presented to the Economics Club of Auburn University at the Mises Institute in Auburn, Alabama, on 8 September 2015.
The powerpoint presentation used in the lecture is available below.