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Goodwin cycle IM-2010 with debt and taxes added, modified from Steve Keen's illustration of Hyman Minsky's Financial Instability Hypothesis "stability begets instability". This can be extended by adding the Ponzi effect of borrowing for speculative investment.

Clone of Minsky Financial Instability Model
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Goodwin Model:
This is a basic version of the Goodwin Model based on Kaoru Yamagushi (2013), Money and Macroeconomic Dynamics, Chapter 4.5 (link)

Equilibrium conditions:
  • Labor Supply = 100
Devation from the equilibrium conditions generates growth cycles.
Goodwin Model
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Taken from Saeed, Khalid. ‘Limits to Growth Concepts in Classical Economics’. In Feedback Economics: Economic Modeling with System Dynamics, edited by Robert Y. Cavana, Brian C. Dangerfield, Oleg V. Pavlov, Michael J. Radzicki, and I. David Wheat, 217–46. Cham: Springer International Publishing, 2021. https://doi.org/10.1007/978-3-030-67190-7_9.

Note that I haven't been able to reproduce the reported results!
Marxian economic growth
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Summary of Ch 11 of Mitchell Wray and Watts Textbook see IM-164967 for book overview
The Classical System of Employment and Output Determination
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Goodwin business cycle model, modified from Keen and Blatt

Clone of Goodwin Business Cycle
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From Bill Mitchell and Warren Mosler December2018 billy blog entry  and mosler's MMT white paper (google docs) 2019. Some highly aggregated stocks and flows and boundaries introduced.See also Feb 2026 updated insight
The essence of MMT
4 4 months ago
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WIP Ideas from Science Special Issue May 2014
Clone of The Science of Inequality
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Summary of Ch 6 of Mitchell Wray and Watts Textbook see IM-164967 for overview
Sectoral accounting and the flow of funds
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WIP Summary of MIchael Hudson's Book Killing the Host: How Financial Parasites and Debt destroy the Global Economy 
Killing the Host
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WIP summaries of bill mitchell's blog postings related to the connections between macroeconomics and wellbeing, particularly via unemployment and inflation
Clone of Unemployment and wellbeing
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This is a simplification of the Austerity vs Prosperity model in the hope that it will be easier to understand.
@LinkedInTwitterYouTube
Austerity vs Prosperity v0
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WIP replication of Khalid Saeed's draft paper presented by the Economics chapter of the SD Society in Sept 2019 youtube video
Unlinking public finance and taxation in fiat currency
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​WIP Summary of 2020 article Monetary Sovereignty: Nature, Implementation, and Implications by Eric Tymoigne
Eric Tymoigne Monetary Sovereignty
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Goodwin cycle IM-2010 with debt and taxes added, modified from Steve Keen's illustration of Hyman Minsky's Financial Instability Hypothesis "stability begets instability". This can be extended by adding the Ponzi effect of borrowing for speculative investment.

Clone of Clone of Minsky Financial Instability Model
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Scratch build of a stock-flow consistent model of a closed economy, based on a current transactions matrix
Closed Economy
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Goodwin business cycle model, modified from Keen and Blatt

Clone of Goodwin Business Cycle
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Summary of Ch5 of Mitchell Wray and Watts Textbook see IM-164967 for overview
Labour Force States and Transitions
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Summary of Ch 27 of Mitchell Wray and Watts Textbook see IM-164967 for book overview See IM-169093 for added dynamic evolutionary economics history
History of Economic Thought
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Summary of Ch 24 of Mitchell Wray and Watts Textbook see IM-164967 for book overview
Policy in an open economy
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WIP based on Bill mitchell's blogs. 
Sectoral balances are relationships among money flows during an accounting period. Where we perceive accumulations of past imbalances to be accrued is another matter....
Clone of MMT Fiscal position
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Overview of Part D Ch 17 to 19 of Mitchell Wray and Watts Textbook see IM-164967 for book overview
Unemployment and Inflation Theory and Policy
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Circular equations WIP for Runy.

Added several versions of the model. Added a flow to make C increase. Added a factor to be able to change the value 0.5. Older version cloned at IM-46280
Clone of Circularity in Economic models
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Model-SIM from Chapter 3 of Wynn Godley and Marc Lavoie's Monetary Economics, adapted for an open economy. The model is stock-flow consistent with only government money--no bills or bonds. No central bank and interest rates do not change. Government spends buying output from the production sector. The production sector is passive turning over all revenue over to households. Households save out of income and spend partially spend out of wealth. Imports and exports pass through the production sector illustrating the idea that consumer households buy from domestic businesses that which they have imported. The model also tracks the sectoral balance flows and changes in equity. Sectoral flows and equity balances match each other dollar for dollar to satisfy the sectoral balances accounting identity (Household Saving - Consumption) + (Business Saving - Expenditure) + (Taxes - Government Spending) - (Exports - Imports) = 0. Since business investment occurs internally to the Business Sector, 
SFC_Model-SIM_open_economy
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Overview of Part C Ch 11 to 16 of Mitchell Wray and Watts Textbook see IM-164967 for book overview
National Income Output and Employment Determination