Given the failures to foresee the 2008 financial crisis and subsequent weak recovery, it is easy to think that economists have little to offer in the way of predictions. But when it comes to national-level GDP growth, past projections have largely been borne out; even when wrong, they can be used to diagnose structural problems.
Last month, I wrote about the growing divide between economic theory and real-world economic conditions, and reminded readers that economics is still a social science, despite whatever loftier ambitions its practitioners may have. Nonetheless, when it comes to the specific question of what drives economic growth in the long term, one can still offer rigorous predictions by focusing on just two forces.
Specifically, if one knows how much a country’s working-age population will grow (or shrink), and how much its productivity will increase, one can predict its future growth with considerable confidence. The first variable is reasonably predictable from a country’s retirement and death rates; the second is more uncertain.
Bob Weir has over 50 years of investment research and analytical experience in both the equity and fixed-income sectors, and in the commercial real estate industry. He joined eResearch in 2004 and was its President, CEO, and Managing Director, Research Services until December 2018. Prior to joining eResearch, Bob was at Dominion Bond Rating Service (DBRS).
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Last month, I wrote about the growing divide between economic theory and real-world economic conditions, and reminded readers that economics is still a social science, despite whatever loftier ambitions its practitioners may have. Nonetheless, when it comes to the specific question of what drives economic growth in the long term, one can still offer rigorous predictions by focusing on just two forces.