# Lupin Rahman, PhD: What Sovereign Debt Reveals About the World, Can You Trust a Government to Pay You Back? Why the Risk-Free Rate Is Not Risk-Free — Inside the Mind of a Sovereign Debt Investor

Page: https://stenobird.com/podcast/talking-billions-with-bogumil-baranowski-5857987/lupin-rahman-phd-what-sovereign-debt-reveals-about-the-world-can-you-trust-a-government-to-pay-you-back-why-the-risk-free-rate-is-not-risk-free-inside-the-mind-of-a-sovereign-debt-investor
Text version: https://stenobird.com/podcast/talking-billions-with-bogumil-baranowski-5857987/lupin-rahman-phd-what-sovereign-debt-reveals-about-the-world-can-you-trust-a-government-to-pay-you-back-why-the-risk-free-rate-is-not-risk-free-inside-the-mind-of-a-sovereign-debt-investor.md
Podcast: [Talking Billions with Bogumil Baranowski](https://stenobird.com/podcast/talking-billions-with-bogumil-baranowski-5857987)
Published: 2026-04-13T04:12:00+00:00
Episode link: https://podcasters.spotify.com/pod/show/talking-billions/episodes/Lupin-Rahman--PhD-What-Sovereign-Debt-Reveals-About-the-World--Can-You-Trust-a-Government-to-Pay-You-Back--Why-the-Risk-Free-Rate-Is-Not-Risk-Free--Inside-the-Mind-of-a-Sovereign-Debt-Investor-e3hpl7h
Audio file: https://anchor.fm/s/bc3d43f4/podcast/play/118330033/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-3-12%2F421904047-44100-2-a498362246da9.mp3
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/talking-billions-with-bogumil-baranowski-5857987/episodes/lupin-rahman-phd-what-sovereign-debt-reveals-about-the-world-can-you-trust-a-government-to-pay-you-back-why-the-risk-free-rate-is-not-risk-free-inside-the-mind-of-a-sovereign-debt-investor
Duration seconds: 3668

## Resource

Lupin Rahman, PhD, is a senior macroeconomist, sovereign debt specialist, and former head of sovereign credit and emerging markets portfolio manager at PIMCO, with over 25 years of experience across the IMF, World Bank, and global capital markets, and author of The Sovereign Debt Investor (Wiley Finance). Episode Sponsor: Fiscal AI is a modern data terminal that gives investors instant access to twenty years of financials, earnings transcripts, and extensive segment and KPI data—use my link for a two-week free trial plus 15% off: https://fiscal.ai/talkingbillions/ 3:00 — Lupin recalls growing up with her grandmother in Bangladesh, a powerful matriarch who managed rice markets, bargaining, inventory timing, and informal community insurance — an early blueprint for sovereign economics.5:00 — The mindset shift from IMF/World Bank policymaker to PIMCO investor: "Policy advice lives in a world of intent and markets essentially price outcomes."7:30 — Sovereign debt has survived thousands of years because it bridges the gap between government spending today and tax collection over time — productive use strengthens economies, unproductive use "starts borrowing from the future."9:15 — Guided tour of the sovereign debt landscape: borrower type, currency risk, instrument structure, legal framework, investor base, and collateral.13:45 — How sovereign credit analysis differs from equities: analyzing tax capacity, monetary policy, political constraints, institutional frameworks — and the unique power governments hold over creditors.17:15 — Bond valuation essentials: yield, duration, and convexity explained. "Maturity is not the same as duration."20:00 — Return of capital vs. return on capital — and how modern bond trading evolved from "clipping the…

## Actions

- request_transcript: `POST https://stenobird.com/v1/public/podcasts/talking-billions-with-bogumil-baranowski-5857987/episodes/lupin-rahman-phd-what-sovereign-debt-reveals-about-the-world-can-you-trust-a-government-to-pay-you-back-why-the-risk-free-rate-is-not-risk-free-inside-the-mind-of-a-sovereign-debt-investor/transcription-requests` — Idempotently request low-priority transcript generation for this episode.
- read_markdown: `GET https://stenobird.com/podcast/talking-billions-with-bogumil-baranowski-5857987/lupin-rahman-phd-what-sovereign-debt-reveals-about-the-world-can-you-trust-a-government-to-pay-you-back-why-the-risk-free-rate-is-not-risk-free-inside-the-mind-of-a-sovereign-debt-investor.md` — Read the agent-friendly Markdown representation of this episode resource.

A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed.

## Transcript

Full transcripts are not published on public pages unless there is a clear rights basis.