Intelligence Squared
Intelligence Squared

Business Weekly: What is Economic Growth?

In this week's episode we're featuring a podcast produced by Intelligence Squared called 'It’s The Economy' in which host Nicola Walton breaks down the complex economic ideas we have all heard of but may not fully understand in under 15 minutes. In this episode Lord O’Donnell, a

Featured Speakers

Lord Gus O'Donnell Guest

Topics Discussed

Episode Summary

Executive Summary: This episode explains economic growth as an activity measure, not a direct proxy for wellbeing. Lord Gus O’Donnell argues GDP is useful but limited: it captures output and spending, yet misses volunteering, leisure, distribution, and happiness. The conversation contrasts postwar Japan’s rapid catch-up growth, China’s demographic headwinds, and the need to complement GDP with productivity and wellbeing metrics.

Main Topics: What economic growth actually measures (Priority: 5/5): O’Donnell defines growth traditionally as changes in total economic activity—income, spending, and production adjusted for trade—rather than a measure of how well people live. GDP’s strengths and blind spots (Priority: 5/5): GDP is described as valuable for tracking activity, tax revenue, and business conditions, but it can rise through socially undesirable activity and omit unpaid or socially beneficial work like volunteering. Japan’s post-war economic miracle (Priority: 4/5): A case study of explosive catch-up growth driven by low starting base, industrial policy, infrastructure, labor-force expansion, and external demand, followed by slowdown as easy gains faded. Growth, demographics, and China (Priority: 5/5): The episode argues China’s future growth may plateau because working-age population is shrinking and aging burdens are rising, making per-person growth more meaningful than aggregate GDP. Productivity as a better long-run indicator (Priority: 4/5): Productivity—output per worker—is presented as a strong gauge of resource use and a key lever for raising living standards through better education and infrastructure. Wellbeing as the broader success metric (Priority: 5/5): O’Donnell suggests life expectancy, opportunity distribution, and happiness should be the ultimate measures of success, with GDP serving only as one input to that assessment. Post-COVID growth and vaccine rollout (Priority: 4/5): The discussion links near-term GDP growth to vaccine success because reopening economies restores spending in hospitality and leisure, boosting measured activity.

Key Arguments: GDP measures economic activity, not societal success; it can rise even when wellbeing falls, because it counts spending/output but not all valuable unpaid activity. Volunteering is excluded from GDP, while activities like prostitution and illegal drugs are estimated and included, illustrating how incomplete the metric is as a social benchmark. Japan’s rapid postwar expansion was driven by rebuilding from devastation, industrial policy, workforce expansion, and high exports, but could not continue indefinitely. Economic growth often slows as countries become richer because people shift toward leisure and other non-market benefits that GDP does not capture. China’s aggregate growth has been heavily supported by population growth; with a shrinking working-age population and aging society, per-capita growth becomes more important. Productivity is a stronger long-run indicator of living standards because it reflects how effectively labor and capital are used, and can be improved via education and infrastructure. Wellbeing should be the ultimate success measure for governments, with GDP treated as one useful but limited component. Countries with strong welfare states, childcare, gender equality, and high public spending—especially Scandinavians—score well on wellbeing indices. Vaccine rollout affects short-run GDP because reopening drives consumer spending in sectors like pubs, restaurants, cinemas, and theatres.

Data Points: Japan industrial production (1946): 28% of pre-war level - Shows the extremely low postwar base before the Japanese economic boom. Japan industrial production (1960): 350% of pre-war level - Illustrates the scale and speed of Japan’s postwar recovery. Japanese household consumption: Doubled from 1955 to 1970 - Indicates rising living standards and changing consumption patterns in Japan. Japan economic growth (1965): Just over $91 billion - A reference point for the size of the Japanese economy before later expansion. Japan economic growth (1980): $1.065 trillion - Shows the dramatic increase in measured economic output over 15 years. UK GDP forecast for 2021: 7.25% - Bank of England forecast mentioned as the economy reopens after lockdown. Previous UK GDP forecast for 2021: 5.7% - Comparison point showing an upward revision. UK GDP fall in 2020: About 10% - Attributed to lockdown restrictions and reduced spending.

Pivotal Quotes: "economic growth by traditional measures is basically measuring how much is going on, how much activity." — Lord Gus O'Donnell: Defines GDP-style growth as an activity measure rather than a wellbeing measure. "if I wanted to know how successful is it, The UK is being, I want to know about how well we're doing in terms of our life expectancy." — Lord Gus O'Donnell: Explains why wellbeing indicators matter alongside GDP. "productivity isn't everything, but in the long run, it's almost everything." — Paul Krugman (quoted by Gus O'Donnell): Used to emphasize productivity’s importance for long-run living standards.

Implications: Listeners should treat GDP as a partial signal, not a verdict on national success. Future policy will likely increasingly combine growth, productivity, and wellbeing metrics, especially as aging, inequality, and post-COVID recovery reshape economies.

🔓 Sign Up for Unlimited Episode Search

About Intelligence Squared

View all episodes from Intelligence Squared