After the Spike with Dean Spears and Michael Geruso episode artwork

EPISODE · Sep 30, 2025 · 34 MIN

After the Spike with Dean Spears and Michael Geruso

from Thinkers & Ideas

In After the Spike: Population, Progress, and the Case for People, Dean Spears and Michael Geruso argue that the defining demographic risk of this century is global depopulation.Spears and Geruso are both professors at the University of Texas at Austin, focusing on economic demography and development economics. In their new book, they explore the trend of falling birth rates, how it threatens human progress, and what actions may reverse this trend.In their conversation with Nikolaus Lang, global leader of the BCG Henderson Institute, they discuss projections for global depopulation, why advances in AI and robotics will not replace humans, why fewer people may not be good for the planet, and what the implications of all this are for business leaders.Key topics discussed:01:06 | Projected global population levels06:11 | The impact of depopulation11:00 | The potential for AI and robotics to replace humans17:00 | The environmental implications of depopulation21:24 | Potential solutions to falling birth rates26:02 | Implications for business leaders28:26 | Reasons to remain hopefulAdditional inspirations from Dean Spears:Air: Pollution, Climate Change and India's Choice Between Policy and Pretence (Harper Collins Publishers India, 2019)Where India Goes: Abandoned Toilets, Stunted Development and the Costs of Caste, co-authored by Diane Coffey (Harper Collins Publishers India, 2017)

Episode metadata supplied by the publisher feed · Published Sep 30, 2025

Embed this episode

Ready to play

After the Spike with Dean Spears and Michael Geruso

0:00 34:57

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

No similar episodes found.

No similar podcasts found.

Frequently Asked Questions

How long is this episode of Thinkers & Ideas?

This episode is 34 minutes long.

When was this Thinkers & Ideas episode published?

This episode was published on September 30, 2025.

Can I download this Thinkers & Ideas episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.
URL copied to clipboard!