World Dynamics1971 |
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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 1-3 Food ratio ( adequacy ) as it depends on agricultural land units per person . Figure 1-3 presents an assumption about how the food per person is related to the agricultural land per person . Only the general shape is ...
... Figure 1-3 Food ratio ( adequacy ) as it depends on agricultural land units per person . Figure 1-3 presents an assumption about how the food per person is related to the agricultural land per person . Only the general shape is ...
Page 109
... Figure 5-12 Compared with Figure 5-11 , increased capital generation causes an earlier pollution crisis . 2020 . balance . The reader may feel that combinations of these programs would yield better results . We here consider such ...
... Figure 5-12 Compared with Figure 5-11 , increased capital generation causes an earlier pollution crisis . 2020 . balance . The reader may feel that combinations of these programs would yield better results . We here consider such ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
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1970 conditions accumulation agricultural land assumed assumptions behavior birth rate normal birth-control program BRFM BRMM BRN1 capital investment CAPITAL UNITS CAPITAL UNITS/PERSON CAPITAL-INVESTMENT DISCARD capital-investment multiplier capital-investment ratio CAPITAL-INVESTMENT-IN-AGRICULTURE FRACTION cause Chapter CIAF CIGN1 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 resources natural-resource Natural-resource-usage rate negative loop NR=N NREM NREMT NRUN1 POLN1 POLAT POLCM pollution absorption pollution crisis pollution-absorption population and capital population density PRESENT ORIGINAL pressures ratio CIR RATIO DIMENSIONLESS result rise Section sector shortage social systems SQUARE KILOMETERS standard of living system levels TABHL TABLE LOOK TIME.K tion units per person UNITS/PERSON/YEAR UNITS/YEAR usage rate variable world model world population world system