World Dynamics |
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Page 6
But in the next 100 years , population rises further by only another factor of four
while agricultural land declines further by 62 % . For the first time , occupancy
land is encroaching on land that is needed for food . Population is rising and , at
the ...
But in the next 100 years , population rises further by only another factor of four
while agricultural land declines further by 62 % . For the first time , occupancy
land is encroaching on land that is needed for food . Population is rising and , at
the ...
Page 17
The feedback loop is the closed path that connects an action to its effect on the
surrounding conditions , and these resulting conditions in turn come back as “
information ” to influence further action . We often erroneously think of cause and
...
The feedback loop is the closed path that connects an action to its effect on the
surrounding conditions , and these resulting conditions in turn come back as “
information ” to influence further action . We often erroneously think of cause and
...
Page 60
Above a sufficient amount of food , further increments of food rapidly lose
capability to raise the quality of life . Likewise , below some acceptable level of
pollution , further pollution reduction carries a low priority . It is from the nonlinear
...
Above a sufficient amount of food , further increments of food rapidly lose
capability to raise the quality of life . Likewise , below some acceptable level of
pollution , further pollution reduction carries a low priority . It is from the nonlinear
...
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Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
5 other sections not shown
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Common terms and phrases
accumulation action actual agriculture appear assumed assumptions average become behavior billion birth rate capital investment Capital-investment cause Chapter consequences continue created crowding curve death rate decline defined depends described developed discard discussed dynamic effect environment equations equilibrium examine existing expect factors falling Figure food production food ratio food supply forces fraction further future gives greater grow growth higher improve increase indicated industrialization influence initial land less limit LOGICAL FUNCTION loop lower material standard means mode MULTIPLIER DIMENSIONLESS natural resources natural-resource needed normal NREM occurs person policies pollution crisis pollution ratio POLR population possible PRESENT ORIGINAL pressures probably processes rate normal RATIO DIMENSIONLESS reaches reduced relationship remaining represents result rise sector shortage shown shows social systems space standard of living stop structure suppressed TABLE taken tion UNITS usage variable world system
Bibliographic information
| Title | World Dynamics |
| Authors | Jay W. Forrester, JAY W AUTOR FORRESTER |
| Edition | 2 |
| Publisher | Wright-Allen Press, 1971 |
| Original from | the University of Michigan |
| Digitized | 5 Nov 2007 |
| Length | 142 pages |
| Export Citation | BiBTeX EndNote RefMan |