World Dynamics |
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Page 5
If occupancy space is subtracted from the total land , the remainder gives the land
available for agriculture . The agricultural land per person can be interpreted to
give the adequacy of food supply as assumed in Figure 1 - 3 . A position along ...
If occupancy space is subtracted from the total land , the remainder gives the land
available for agriculture . The agricultural land per person can be interpreted to
give the adequacy of food supply as assumed in Figure 1 - 3 . A position along ...
Page 6
The fifth column gives the land units per person available for growing food . The
last column is the food ratio taken from Figure 1 - 3 corresponding to each value
of land availability in the preceding column . . During the first 600 years , while ...
The fifth column gives the land units per person available for growing food . The
last column is the food ratio taken from Figure 1 - 3 corresponding to each value
of land availability in the preceding column . . During the first 600 years , while ...
Page 38
6 billion people by 1 unit of natural resources per year per person and by 250
years gives 900 billion units of natural resources as the proper value for natural
resources initial NRI . This figure comes from the definition of usage rate as one
unit ...
6 billion people by 1 unit of natural resources per year per person and by 250
years gives 900 billion units of natural resources as the proper value for natural
resources initial NRI . This figure comes from the definition of usage rate as one
unit ...
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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 |