World Dynamics |
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Page 23
Population increases birth rate which increases population , and the criteria for a
positive - feedback loop are met . If there were no ... But the capital - investment
multiplier CIM modifies that normal rate of capital generation . At very low values
...
Population increases birth rate which increases population , and the criteria for a
positive - feedback loop are met . If there were no ... But the capital - investment
multiplier CIM modifies that normal rate of capital generation . At very low values
...
Page 33
2 Birth Rate BR The birth rate is part of the positive - feedback loop shown in
Figure 2 - 2 . Basic birth rate depends on population P and on a coefficient BRN .
Birth rate normal BRN states the birth rate per year as a fraction of the population
.
2 Birth Rate BR The birth rate is part of the positive - feedback loop shown in
Figure 2 - 2 . Basic birth rate depends on population P and on a coefficient BRN .
Birth rate normal BRN states the birth rate per year as a fraction of the population
.
Page 74
If we wish to assume that natural resources will not fail , we can reduce the rate of
their usage ( or increase the assumed initial supply ) to see ... 9 provides for
changing the natural - resource - usage rate normal NRUN1 at a specified time .
If we wish to assume that natural resources will not fail , we can reduce the rate of
their usage ( or increase the assumed initial supply ) to see ... 9 provides for
changing the natural - resource - usage rate normal NRUN1 at a specified time .
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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 factor falling Figure food production food ratio forces fraction further future gives greater grow growth higher improve increase indicated industrialization influence initial land less limit LOGICAL FUNCTION loop lower major material standard means mode MULTIPLIER DIMENSIONLESS natural resources natural-resource normal NREM occurs peak person policies pollution crisis pollution ratio POLR population possible present PRESENT ORIGINAL pressures probably processes rate normal reaches reduced relationship remaining represents result rise sector shortage shown shows social systems space standard of living stop structure suppressed taken tion understand 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 |
| Length | 142 pages |
| Export Citation | BiBTeX EndNote RefMan |