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$This model shows the operation of a simple economy. It demonstrates the effect of changes in the fractional rate of consumption (or the converse the fractional rate of saving.) In summary, lower rates of consumption (based on production) result in higher rates of production and consumption in the l$

This model shows the operation of a simple economy. It demonstrates the effect of changes in the fractional rate of consumption (or the converse the fractional rate of saving.)

In summary, lower rates of consumption (based on production) result in higher rates of production and consumption in the long-run.

Simple Economy: Model 8 Alternative

Jim Berger

Simple model of the global economy, the global carbon cycle, and planetary energy balance.

The planetary energy balance model is a two-box model, with shallow and deep ocean heat reservoirs. The carbon cycle model is a 4-box model, with the atmosphere, shallow ocean, deep ocean, and terrestrial carbon.

The economic model is based on the Kaya identity, which decomposes CO2 emissions into population, GDP/capita, energy intensity of GDP, and carbon intensity of energy. It allows for temperature-related climate damages to both GDP and the growth rate of GDP.

This model was originally created by Bob Kopp - https://insightmaker.com/user/16029 (Rutgers University) in support of the SESYNC Climate Learning Project.

Steve Conrad (Simon Fraser University) modified the model to include emission/development/and carbon targets for the use by ENV 221.

REM 221 Simple Climate-Carbon-Economic Model with Targets

Steve Conrad

28

• This model examines how sustainable consumerism is from social, economic, and environmental aspects. The question in focus is "How will our second-hand clothing donations affect communities in developing countries, specifically Kenya?"

5 Stock Variables:

• U.S. Consumers

• Multinational Corporations

• Overseas Factories

• Kenya

Highlight Findings:

To sum up, there are 4 major problems associated to donations:

• 1. Source of problem is the consumer: Cheap deals attract hundreds of millions in revenue for fast fashion, and contribute to 100,000 tonnes of clothing to Kenya annually.

• 2. Rapid consumerism leads to over-utilization of slowly-renewable resources, such as water.

• 3. Nearly 96% of textiles jobs are eradicated by the massive inflow of clothing donations to Kenya.

• 4. The offshoring of textiles jobs enrages U.S. blue-collar workers, leading to the rise of protectionism.

The environmental, social, and economic sustainability aspects of textiles donations

Christina Cheung

Tragedy of the Commons Climate Change

Steven Roderick

3

AKL Ouput Model

Enrique

Based on a project I am working in [country]. The objective of the Insight is to describe the root causes of the binding constraint of water scarcity on economic growth.

Common Pool Resource Problem
Limits to Growth
Success to Successful

Common Pool Resource is evidenced by uncontrolled (illicit) groundwater abstraction and the declining water tables and water quality.

Groundwater resources are clearly finite (even if the exact limit in uncertain). As the limit is approached water quantity and quality declines rapidly. Groundwater is generally being overexploited beyond safe yields.

There is a pattern of success to successful (those with means are better positioned to adapt to increasing scarcity) but this growth in inequality results in social unrest which in turn inhibits reinvestment by the successful.

Green elements are the focus of project investments: Improved regulatory capacity, infrastructure investments, WUA capacity building, and strengthening cooperatives to support investment in small holders.

Groundwater Problem

Omar Hopkins

This is an interface to explore UK-SSP1.

UK-SSP1 Sustainability

Magnus Merkle

Output vs. depreciation from Meadows

Economic Loop

Rich Van Buskirk

2 weeks ago

Insur

Jim Cameron

Economic capital growth in a system constrained by a non-renewable resource, Figure 37 from Thinking in Systems by Donella H. Meadows

REM 221 Figure 37. Economic capital

Steve Conrad

19

A simple budget planning system. What additional complexities can you add?

ISD Savings Plan

Kevin Collins

126

This is a reconstruction of the SIMM model presented in Chapter 2 of Feedback Economics (Contemporary Systems Thinking)

@LinkedIn, Twitter, YouTube

Simple Macroeconomic Model (SIMM) (SFD)

Gene Bellinger

3

A single resource is used with a constant rate and converted into products in use. After a while, these products become unusable because of aging. The recycling of these unusable products is imperfect, thus the amount of not recyclable resource grows (until a better recycling process is invented).

Resource 1

Mario

Assignment 1- Part 2 Energy Economics and Fossil Fuels

Berberian_Energy Economics and Fossil Fuel

Lori Berberian

3

Health Determinants

Chelsea Poeppel

Modern industrial civilisation has created massive interdependencies which define it and without which it could not function. We all depend on industrial farming to produce the food we eat, we depend on gasoline being available at the gas station, on the availability of electricity and even on the bread supplied by the local baker. Naturally, we tend to support the institutions that supply the amenities and goods to which we have become accustomed: if we get our food from the local supermarket, it is likely that we would be opposed to it’s closure. This means that the economic system that relies on continuous growth enjoys implicit societal support and that nothing short of environmental disaster or a shortage of essential raw materials will impede it’s growing indefinitely. It is not hard to work out the consequences of this situation!

The Inescapable Dynamic of Economic Growth

Hanns-Jürgen Hodann

3

Overview

The model shows the industry connection and conflict between Forestry and Mountain Tourism in Derby, Tasmania. The objective of this simulation is to find out the balance point for co-exist.

How Does the Model Work?

Both industries can provide economic contribution to Tasmania. Firstly, selling timbers through logging would generate income. Also, spendings from mountain bike riders would generate incomes. However, low tree regrowth rate can not cover up logging, which influences the beautiful vistas and riders' experiences. While satisfaction and expectation depend on vistas and experience, the demand of mountain biking would be influenced through repeat visits and world of mouth as well.

Interesting Insights

Although forestry can provide a great amount of economic contribution to Tasmania, over logging goes against ESG framework as well as creating conflict with mountain tourism. As long as the number of rider visits is stable, tourism can always provide a greater economic contribution compared to forestry. Therefore, the government should consider the balance point between two industries.

Simulation of Derby Mountain Bikes versus Forestry

Silong Lou

This model is to show the status of numbers of infected people, recovered people and deaths during COVID-19 in Burnie Australia. It also shows impact on the growth of economy.

Variables

The infection rate and the percentage of people washing their hands are influencing the infected number of people. Also, there are death rate and recovery rate and immunity lost rate determining the numbers of deaths, recovered and infected-again people.

for the economy growth, there are several factors, including unemployment rate, infection rate, economic growth rate and government health policy.

Perspective

After some time, people will recovered, also the economic activities.

A model of Burnie during COVID-19

Xinger Liu

tbd

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

Joshua Gottdenker

8 months ago

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

Coffee Pods ISD Humanities

Kevin Collins

409

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

A Tragedy of the Commons situation exists whenever two or more activities, each, which in order to produce results, rely on a shared limited resource. Results for these activities continue to develop as long as their use of the limited resource doesn't exceed the resource limit. Once this limit is reached the results produced by each activity are limited to the level at which the resource is replenished. As an example, consider multiple departments with an organization using IT resources, until they've exhausted IT capacity.

Environmental economics Niger Delta oil polluted case study

suryadev pendyala

WIP Ideas from Science Special Issue May 2014

The Science of Inequality

Geoff McDonnell

3

Healthcare Economic System

Rod Wallace