World DynamicsExamination of the structure of countervailing forces such as population growth, food production, capital investment, natural resources depletion, pollution, etc., at world level when exponential growth rate overburdens the environment - simulates world growth trends by means of a large-scale computer model and shows that a global equilibrium could be achieved if social policies and programmes were chosen taking into account the dynamic characteristics of world social systems. Flow charts. |
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Page 78
Jay W. Forrester. During the pollution crisis , the food ratio drops drastically because of the depression in agricultural output - a depression introduced by the food - from- pollution multiplier as described in Section 3.28 , where it ...
Jay W. Forrester. During the pollution crisis , the food ratio drops drastically because of the depression in agricultural output - a depression introduced by the food - from- pollution multiplier as described in Section 3.28 , where it ...
Page 96
... pollution crisis reappears . In Figure 4-5 the pollution crisis occurred because natural resources were depleted slowly enough that population and industrialization exceeded the pollution - absorption capability of the earth . Here in ...
... pollution crisis reappears . In Figure 4-5 the pollution crisis occurred because natural resources were depleted slowly enough that population and industrialization exceeded the pollution - absorption capability of the earth . Here in ...
Page 109
... pollution control and higher food output . To these , Figure 5-12 adds increased capital investment rate by raising CIGN1 20 % in 1970. The effect is to bring on the pollution crisis 30 years sooner . Otherwise little is different ...
... pollution control and higher food output . To these , Figure 5-12 adds increased capital investment rate by raising CIGN1 20 % in 1970. The effect is to bring on the pollution crisis 30 years sooner . Otherwise little is different ...
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 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 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 POLCM 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 TIME.K tion units per person UNITS/PERSON/YEAR UNITS/YEAR usage rate variable world model world population world system