Keynes vs MMT: which economic theory fits our world?

Is Modern Monetary Theory just Keynes rebadged? Many think so—but they’re wrong. This video compares Keynesian ideas on borrowing and balanced budgets with MMT’s claim that governments create money when they spend. Understanding this difference changes how we think about debt, inflation, and what governments can really do. TRANSCRIPT A transcript for this video is available at: https://www.taxresearch.org.uk 0:00 – Introduction – Overview of MMT vs Keynesian economics and why understanding the difference matters. 1:10 – Common Ground – How both theories emphasize government’s role in the economy. 2:30 – Origins of Keynesianism – Context of the Great Depression and Keynes’ General Theory (1936). 4:15 – Keynes on Government Finance – Borrowing, fiscal stimulus, and debt repayment under Keynesianism. 6:20 – Origins of Modern Monetary Theory (MMT) – Emergence in the 1990s and shift to fiat currency. 8:05 – MMT Fundamentals – Government creates money, taxation controls inflation, borrowing is optional. 9:50 – Key Differences: Debt – Keynesian debt as liability vs MMT debt as private sector savings. 11:30 – Key Differences: Inflation – Keynesian focus on money vs MMT focus on real economy capacity. 13:25 – Policy Tools: Keynes vs MMT – Fiscal & monetary policy vs fiscal-focused, near-zero interest approach. 15:10 – Full Employment Goals – MMT’s job guarantee and prioritization of real economy output. 16:45 – Critique of Neo-Keynesianism – Household analogy, focus on balanced budgets, and austerity issues. 18:00 – MMT Framing & Sectoral Balances – Wynne Godley’s sectoral balances and government as economic driver. 19:15 – Summary & Takeaways – Key contrasts, why MMT is better suited for modern economies, and concluding thoughts. 20:22 – End / Outro – Call to action, blog link, and support options. IF YOU WANT TO WRITE TO YOUR MP ABOUT ISSUES IN THIS VIDEO If you want to write a letter to your MP on the issues raised in this blog post, there is a ChatGPT prompt to assist you in doing so, with full instructions, here. https://www.taxresearch.org.uk/Blog/2... HOW TO SUPPORT US Please consider donating: https://ko-fi.com/taxresearch ABOUT RICHARD MURPHY Richard Murphy is Emeritus Professor of Accounting Practice at Sheffield University Management School. He is director of Tax Research LLP and the author of the Funding the Future blog. His best-known book is ‘The Joy of Tax’. This video was edited by Thomas Murphy. RICHARD MURPHY ON BLUESKY: https://bsky.app/profile/richardjmurp... OR ON MY BLOG: http://www.taxresearch.org.uk/Blog/ HIT SUBSCRIBE & GET NOTIFICATIONS Subscribe and get notified of new videos released. INTRODUCTION:    • Welcome to my channel - Richard J Murphy -...   PLAYLISTS: The Wealth Series    • The Wealth Series   Ecenomics    • Economics   Britain    • Britain   Tax    • Tax   MMT    • MMT   Money    • Money   Climate Change    • Climate Change   USA    • America and Trump   Labour    • Playlist   The Trump Administration    • Playlist   #ModernMonetaryTheory #MMT #KeynesianEconomics #EconomicEducation #FiscalPolicy #GovernmentSpending #InflationControl #FullEmployment #Neoliberalism #EconomicTheory #PublicDebt #EconomicManagement #FinanceForThePeople #PostKeynesian #EconomicsExplained #PolicyMatters #MoneyAndEconomy #EconomicReform #CentralBankPolicy #EconomyExplained This video explains Keynesian economic theory, focusing on how the government budget can be used to influence economic growth. Keynesian theory suggests governments can use fiscal policy to manage unemployment and prevent recession. This approach contrasts with other economic philosophies.