UCSB ENVS 106 - Lecture 08 Thinking In Systems Chapter 1_POST (28 pages)

Previewing pages 1, 2, 3, 26, 27, 28 of 28 page document View the full content.
View Full Document

Lecture 08 Thinking In Systems Chapter 1_POST



Previewing pages 1, 2, 3, 26, 27, 28 of actual document.

View the full content.
View Full Document

Unformatted text preview:

Donella Meadows Thinking in Systems Sim City 1991 City Simulation Game on the Super Nintendo Build a city design street layouts provide services generate tax revenue and build a wealthy thriving city Residential blocks Commercial blocks Industrial blocks Special Buildings A Simple Example from the Game Sim City The residential commercial and industrial blocks self fill up with different types of buildings depending on various conditions surrounding the block Small and grungy homes red circle are undesirable in the game A simple minded solution would be to delete the home and start from scratch Start from a clean fresh residential plot and you ll get rid of the crappy home Well not really the crappy homes just spring back up From a systems thinking perspective you need to think about the structure around the residential plot that is leading to crappy homes to spring up Property values crime levels desirability access to education etc These systemic factors play a much stronger role in determining the houses that appear in residential housing blocks Aristotle 384 322 B C E One of the Greatest Ancient Philosophers According to Quentin the greatest of that time period Physical theory was the foundation of European and Middle Eastern science from his day through the middle ages Eventually many of his theories were overthrown during the scientific revolution BUT his theory of the four causes may be efficient cause is most clearly linked to how relevant to systems The thinking we think of linear causation today But for Aristotle so much more was important to thinking Formal Cause about why something is the case Material Cause Efficient Cause Final Cause purpose Reductionism In rejecting much of Aristotle s admittedly flawed physics his approach to causation was also in large part jettisoned by the scientific revolution Reducing to the single cause Focus on agent action rather than other conditions focus on the efficient cause Focus on timewise linearity Linear Reductionist Causation A Causes B B Causes C We Engage in Some System Thinking Already Because of feedback delays within complex systems by the time a problem becomes apparent it may be unnecessarily difficult to solve A stitch in time saves nine According to the competitive exclusion principle if a reinforcing feedback loop rewards the winner of a competition with the means to win further competitions the result will be the elimination of all but a few competitors The rich get richer and the poor get poorer A diverse system with multiple pathways and redundancies is more stable and less vulnerable to external shock than a uniform system with little diversity Don t put all your eggs in one basket While we do have a general sense of systems thinking we must focus more precisely on its structure in order to properly apply it Big Problems are Systems Problems Hunger poverty environmental degradation economic instability unemployment chronic disease drug addiction and war for example persist in spite



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Lecture 08 Thinking In Systems Chapter 1_POST and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Lecture 08 Thinking In Systems Chapter 1_POST and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?