World dynamicsWright-Allen Press, 1971 - 142 pages |
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Page 3
... Figure 1-1 is a tabulation of population for the subsequent 700 years . In 700 years the popula- tion rises from 1 million to 16,384 million . The values of Figure 1-1 have been plotted as the solid line on the graph of Figure 1-2 . A ...
... Figure 1-1 is a tabulation of population for the subsequent 700 years . In 700 years the popula- tion rises from 1 million to 16,384 million . The values of Figure 1-1 have been plotted as the solid line on the graph of Figure 1-2 . A ...
Page 6
... figure relates a physical variable ( land per per- son ) to a satisfaction or quality of life concept ( adequacy of food supply ) . In a larger system , food ratio would be a factor in determining birth rate and average life span . The ...
... figure relates a physical variable ( land per per- son ) to a satisfaction or quality of life concept ( adequacy of food supply ) . In a larger system , food ratio would be a factor in determining birth rate and average life span . The ...
Page 78
... figure . Figure 4-7 shows the dynamics of the pollution sector during the same time and conditions as those represented in Figure 4-5 . Pollution rises steadily until about the year 2050 as a consequence of rising population and capital ...
... figure . Figure 4-7 shows the dynamics of the pollution sector during the same time and conditions as those represented in Figure 4-5 . Pollution rises steadily until about the year 2050 as a consequence of rising population and capital ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
6 other sections not shown
Common terms and phrases
1970 conditions accumulation agricultural land assumed assumptions behavior billion birth rate normal birth-control program BRFM BRN1 capital investment CAPITAL UNITS CAPITAL UNITS/PERSON CAPITAL-INVESTMENT DISCARD capital-investment ratio CAPITAL-INVESTMENT-IN-AGRICULTURE FRACTION cause Chapter CI=C CIAF CIGN1 CIMT Club of Rome coefficient computer model crowding ratio curve death rate normal decline DRFM dynamic ECIR effect effective-capital-investment ratio equations equilibrium exponential growth food production food ratio food supply FPMT FRACTION/YEAR in-agriculture fraction increase industrialization INTERPOLATION limit LOGICAL FUNCTION material standard mental models MULTIPLIER DIMENSIONLESS natural-resource Natural-resource-usage rate negative loop NR=N NREM NREMT NRUN1 POLN1 POLAT pollution absorption pollution crisis pollution ratio POLR POLLUTION UNITS pollution-absorption population and capital population density pressures QL-Q ratio CIR RATIO DIMENSIONLESS result rise Section sector shortage social systems SQUARE KILOMETERS standard of living system levels TABHL TABLE LOOK tion units per person UNITS/PERSON/YEAR UNITS/YEAR usage rate variable world model world population world system