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The term 'work' has been used in this model in the sense of economic activity to include not only work done by people but also by machines. The model shows 8 positive feedback loops that reinforce work and the need to work. From the perspective of physics, civilisation can be described as a MECHANISM FOR USING ENERGY AND DOING WORK.

Work, however, has some unavoidable consequences. The second law of thermodynamics tells us that any ‘work’ requires the use of energy and that DOING WORK entails the generation of WASTE HEAT. The laws of physics also tell us that CO2 emissions from burning fossil fuels will cause global warming. These unintended and unavoidable consequences are highlighted in the model by prominent arrows.

Can the structure of this system be changed to avoid a foreseeable collapse of civilisation?

Do economic activity and work unavoidably lead to doom?

Hanns-Jürgen Hodann

12 months ago

An initial study of the economics of single use coffee pods.

Coffee Pods ISD Humanities

Kevin Collins

409

Economic Assessment Model Virtualisation of Electric Substations

Jose Angel L V

4 3 weeks ago

Gilded Trap Stock and Flow Model - Lobster Fisheries

DeclanT

6 months ago

WIP based mostly on Jan Toporowski 2013 vol 1 and 2018 vol 2 books on Michal Kalecki: An Intellectual Biography

Layout Consistent with David Wheat MacroEconomic model CLD Insight by Gene Bellinger

Kalecki economic thought

Geoff McDonnell

This is to support a discussion on money flows and growth. Money as a lubricant for the flow of embodied energy in human systems.
See also A Prosperous Way Down website

Odum Money and Energy Flows

Geoff McDonnell

Investigations into the relationships responsible for the success and failure of nations. This investigation was prompted after reading numerous references on the subject and perceiving that *Why Nations Fail: The Origins of Power, Prosperity, and Poverty* by Acemoglu and Robinson seem to make a great deal of sense.

Original model done for The Perspectives Project though recast into Kumu.

Why Nations Fail

Fanda Bunda

This Model described the outbreak simulation under government policy and impacts on Economics.

Assumptions

The social distance policy can reduce 80% of infection.

Interesting Insights

The story tell the difference when social distance applied or not

Click on View story to start simulations

BMA708 Task 3 Zijing Zeng 520737

Zijing Zeng

Overview of Part F Ch 25 and 26 of Mitchell Wray and Watts Textbook see IM-164967 for book overview

Economic Instability

Geoff McDonnell

21

How education causes the gap between socio-economic status?

Educación_universidad

fredy alzate

Estruturas dev miniempresa e balanco de massa de calculadora de consumo paaso1 um de projeto de sintese de fluxogramas visando sintese Gestao de viabilidade tecnologicas via diversos fluxogramasde blocos ,procesos , Analise de fluxo materials de sistemas miniempresa industrial

https://docs.google.com/spreadsheets/d/1DIYxae_Cgpa3n53KTMrMdj8pBYCmNeJlVM_CB_xpUi4/edit#gid=9

Matches' 275 Equipment Cost Estimates.

www.matche.com/equipcost/Default.html

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Matches provides 275 process equipment conceptual capital costs estimates.

‎Exchanger, Heat · ‎Index of Process Equipment ... · ‎Tank · ‎Vessel

Equipment Costs for Plant Design and Economics for Chemical ...

www.mhhe.com/engcs/chemical/peters/data/

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Instructions for file “EQUIPMENT COSTS” accompanying Plant Design and Economics for Chemical ... When entries are complete, CLICK on CALCULATE.

Plant Design and Economics for Chemical Engineers | Cost Estimator

highered.mheducation.com/sites/.../student.../cost_estimator.html

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McGraw-Hill Online, Learning Center. Student Center | Instructor Center | Information Center | Home ...Cost Estimator. Please click here to use the Cost Estimator.

[PDF]

Passo 1 Projeto de eng de Estruturas empresa ,Balanco de massa e calculadora de consumos

Pagandai V Pannir Selvam

50

Output vs. depreciation from Meadows

Economic Loop

Rich Van Buskirk

11 months ago

Public Health Impacts

Chris Skelly

11

This Insight Maker model illustrates the complex relationships involved in the destruction of rainforests. The reinforcing loop emphasizes the destructive cycle where economic development leads to increased deforestation, while the balancing loop highlights the negative consequences on biodiversity, climate, and economic activities, attempting to counteract the destructive forces. The model serves as a simplified representation to better understand the interconnected factors contributing to rainforest destruction and the importance of considering feedback loops in addressing environmental issues.

Destruction of Rainforests

Sujhanan

Attempt at viewing the interactions better burning of fossil fuels and trying to see the shift towards cleaner energy

Equations are only tested on Desmos and not based on real data

Fossil Fuel and Clean Energy

Ang Ee Xien

ABOUT THE MODEL

This is a dynamic model that shows the correlation between the health-related policies implemented by the Government in response to COVID-19 outbreak in Burnie, Tasmania, and the policies’ impact on the Economic activity of the area.

ASSUMPTIONS

The increase in the number of COVID-19 cases is directly proportional to the increase in the Government policies in the infected region. The Government policies negatively impact the economy of Burnie, Tasmania.

INTERESTING INSIGHTS

1. When the borders are closed by the government, the economy is severely affected by the decrease of revenue generated by the Civil aviation/Migration rate. As the number of COVID-19 cases increase, the number of people allowed to enter Australian borders will also decrease by the government.

2. The Economic activity sharply increases and stays in uniformity.

3. The death rate drastically decreased as we increased test rate by 90%.

COVID-19 Outbreak in Burnie Tasmania (Rajaa Sajjad, 538837)

Rajaa Sajjad

3

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

Geoff McDonnell

4

WIP Ideas from Science Special Issue May 2014

The Science of Inequality

Geoff McDonnell

3

This model also shows the operation of a simple economy. It differs from Model 1 primarily in the representation of all goods in the economy by units of measure of a higher level of abstraction. Thus, the same model can represent economies at different levels.

The simulation demonstrates how differing rates of consumption affect Savings.

Simple Economy: Model 2

Jim Berger

3

Cornerstore Economic Model

Lee Cookson

5

Barangay IRAWAN Systems Model

Biophysical, Socio-cultural & Economic Data of Bgy. IRAWAN

Alonzo S. Peralta

Assignment 1- Part 2 Energy Economics and Fossil Fuels

Berberian_Energy Economics and Fossil Fuel

Lori Berberian

3

tbd

Associative Economics - The Farmer, The baker and The Bread Eaters

Joshua Gottdenker

INTRODUCTION

This is a balanced loop model that demonstrates how COVID 19 outbreak in Burnie and the response of the government (e.g. by enforcing health policies: Lockdown; quarantine, non-necessary business closure; border closure) affect the local economy. This model has 13 positive loops and seven negative loops. Government response is dependent on the number of reported COVID-19 cases which in turn thought to be dependent on the testing rates less those who recovered from COVID 19 and dead. Economic activity is dependent on the economic growth rate, increased in online shopping, increased in unemployment, number of people who do not obey the rules, COVID 19 cases and health policies.

ASSUMPTIONS

· Both infection and economic growth is reduced by enforcing government policies

· However, the negative effect of government policies is reduced by the number of people who do not obey government health policies

· Govt policies are enforced when the reported COVID-19 case are 10 or greater.

· Number of COVID cases reported is dependent on the testing rates less those who recovered and dead.

· The higher number of COVID-19 cases have a negative effect on local economy. This phenomena is known as negative signalling.

· Government policies have a negative effect on economic activity because health policies limit both social and economic activities which directly or indirectly affect the economy in Burnie .

· This negative effect is somewhat reduced by the increase in online shopping and the number of people who do not obey heath rules.

INTERESTING INSIGHTS

The test ratings seem to play a vital role in controlling COVID-19 outbreak. Higher Rates of COVID testings decrease the number of COVID 19 deaths and number of infected. This is because higher rates of testing accelerate the government involvement (as the government intervention is triggered earlier, 10 COVID cases mark is reached earlier). Delaying the government intervention by reducing the COVID testing rates increases the death rates and number of infected.

Increased testing rates allow the figures (deaths, susceptible, infected) to reach a plateau quickly.

BMA708- Shakila Bethmage- 548351 - COVID 19 Outbreak in Burnie

Shakila Piyumi Perera Bethmage