Cars, Amazon, CVS — and the variable that matters

The Thread — Issue #4Why markets feel fragile when the headline numbers don'tThe economy looks competitive on the surface — dozens of car brands, multiple big online retailers, a drugstore on every corner. Underneath, the math doesn't quite work that way. This issue walks through three places where competitive pressure has been quietly disabled: cars, online retail, and pharmacy/primary care. The visible measure is concentration. The variable that actually decides whether a market works for you is whether the dominant firms still have to compete.CHAPTERS(Estimated — will refine after audio QC.)0:00 — Open0:30 — What I'm pulling at: a friend conversation about TVs and cars2:00 — Why your TV got cheaper and your car didn't6:30 — When the lowest price isn't really the lowest (the Amazon emails)9:30 — When one company is the doctor and the drugstore (CVS Health)12:30 — The Common ThreadSOURCES AND FURTHER READINGOn cars and competition- Cox Automotive / Kelley Blue Book — December 2025 average transaction price report https://www.coxautoinc.com/insights/dec-2025-atp-report/- USTR — Section 301 final tariff modifications (Federal Register, September 2024) https://www.federalregister.gov/documents/2024/09/18/2024-21217/notice-of-modification-chinas-acts-policies-and-practices-related-to-technology-transfer- BIS — Connected Vehicles Final Rule (Federal Register, January 2025) https://www.federalregister.gov/documents/2025/01/16/2025-00592/securing-the-information-and-communications-technology-and-services-supply-chain-connected-vehiclesOn the Amazon case- California Attorney General — release on unsealed Amazon supplier emails https://oag.ca.gov/news/press-releases/naming-names-attorney-general-bonta-secures-public-access-evidence-amazon-price- California Attorney General — release on April 16, 2026 summary-judgment denial https://oag.ca.gov/news/press-releases/attorney-general-bonta-delivers-prime-victory-against-amazon-ongoing-price- FTC v. Amazon.com, Inc. — federal antitrust case page https://www.ftc.gov/legal-library/browse/cases-proceedings/1910129-1910130-amazoncom-inc-amazon-ecommerceOn CVS, PBMs, and vertical integration- CVS Health completes acquisition of Aetna (November 2018) https://investors.cvshealth.com/news/news-details/2018/CVS-Health-Completes-Acquisition-of-Aetna-Marking-the-Start-of-Transforming-the-Consumer-Health-Experience/default.aspx- CVS Health completes acquisition of Signify Health (March 2023) https://www.signifyhealth.com/news/cvs-health-completes-acquisition-of-signify-health- CVS Health completes acquisition of Oak Street Health (May 2023) https://www.cvshealth.com/news/company-news/cvs-health-completes-acquisition-of-oak-street-health.html- FTC — Pharmacy Benefit Managers interim staff report (July 2024) https://www.ftc.gov/reports/pharmacy-benefit-managers-report- Patients Before Monopolies Act — bipartisan reintroduction (Warren / Hawley / Harshbarger / Auchincloss, May 2026) https://auchincloss.house.gov/media/press-releases/release-auchincloss-warren-harshbarger-hawley-reintroduce-bipartisan-legislation-to-rein-in-pharmacy-benefit-managers-pbms-cut-drug-costsOn the bipartisan diagnosis- Lina Khan — Stone Lecture at Harvard Kennedy School (fall 2025) https://www.hks.harvard.edu/centers/wiener/publications/lina-khan-stone-lecture- JD Vance at RemedyFest — Washington Examiner coverage https://www.washingtonexaminer.com/news/senate/2889190/vance-ftc-lina-khan-doing-good-job-break-with-gop/- U.S. Senate roll call vote on Khan's FTC confirmation, June 15, 2021 https://www.senate.gov/legislative/LIS/roll_call_votes/vote1171/vote_117_1_00233.htmRead the full piece, with every source linked inline:https://matthewgdavis.substack.comABOUT THE THREADThe Thread is a biweekly newsletter and podcast from Matthew Davis, co-founder of Sherwood Financial Partners, a fee-only RIA in California. Each issue follows the connections between the economic and political stories that shape your financial life — calm, non-partisan, data-first.[Standard Sherwood Financial Partners compliance disclosure inserted here via Substack Template at production time — same wording as the text edition.] This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit matthewgdavis.substack.com