World Dynamics1971 |
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Page 14
... taken on the basis of models . The question is not whether to use or ignore models . The question is only a choice ... taken to alter the system . But this process is often faulty . * This symposium was funded by the Volkswagen ...
... taken on the basis of models . The question is not whether to use or ignore models . The question is only a choice ... taken to alter the system . But this process is often faulty . * This symposium was funded by the Volkswagen ...
Page 33
... 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. If the condition of a part of the system ...
... 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. If the condition of a part of the system ...
Page 49
... 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 . FPCI 3 FPCIT Eq . 21.1 2 1 0 0 1 2 3 4 5 6 ...
... 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 . FPCI 3 FPCIT Eq . 21.1 2 1 0 0 1 2 3 4 5 6 ...
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