World Dynamics |
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Page 23
If there were no constraint to control it , population would increase forever
according to the exponential growth pattern created by positive - feedback loops .
But the death loop is negative . As population grows , the number of annual
deaths will ...
If there were no constraint to control it , population would increase forever
according to the exponential growth pattern created by positive - feedback loops .
But the death loop is negative . As population grows , the number of annual
deaths will ...
Page 25
POLG Pollution generation POLR Pollution ratio POL Pollution - 29 POLA
Pollution absorption POLAT POLATT 34 Pollutionabsorption time defines a
negative - feedback loop . The preceding simple description assumes that the
time ...
POLG Pollution generation POLR Pollution ratio POL Pollution - 29 POLA
Pollution absorption POLAT POLATT 34 Pollutionabsorption time defines a
negative - feedback loop . The preceding simple description assumes that the
time ...
Page 30
It is at common tie points such as ECIR that the negative loops of a system are
ultimately able to overpower the growth mechanisms . * Other feedback loops
can be traced through the structure of Figure 2 - 1 . However , Figures 2 - 2
through 2 ...
It is at common tie points such as ECIR that the negative loops of a system are
ultimately able to overpower the growth mechanisms . * Other feedback loops
can be traced through the structure of Figure 2 - 1 . However , Figures 2 - 2
through 2 ...
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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 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 peak person policies pollution absorption 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 |