World Dynamics |
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Page 14
A mental image is a model . All of our decisions are taken on the basis of models
. All of our laws are passed on the basis of models . All executive actions are
taken on the basis of models . The question is not whether to use or ignore
models .
A mental image is a model . All of our decisions are taken on the basis of models
. All of our laws are passed on the basis of models . All executive actions are
taken on the basis of models . The question is not whether to use or ignore
models .
Page 33
In other words , for a normal condition that is taken as the reference of
comparison , the multiplier would not alter the basic birth rate . If the condition
were more favorable than normal , the multiplier would have a value greater than
1 .
In other words , for a normal condition that is taken as the reference of
comparison , the multiplier would not alter the basic birth rate . If the condition
were more favorable than normal , the multiplier would have a value greater than
1 .
Page 49
Zero capital investment is here taken to decrease the food production of the world
by 50 % . At the high extreme for capital , the contribution of capital saturates ,
and more capital does little to increase food output . - FPCIT Eq . 21 . 1 FPCI
CIRA ...
Zero capital investment is here taken to decrease the food production of the world
by 50 % . At the high extreme for capital , the contribution of capital saturates ,
and more capital does little to increase food output . - FPCIT Eq . 21 . 1 FPCI
CIRA ...
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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 |