World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 21
... Pollution ratio Quality of life from crowding Birth rate normal BRN BR Birth rate 2 + P. Food ratio FR 19 Food ratio FN FC FC1 , SWT7 Food coefficient FCM FPM FPCI FCMT Food potential FPCIT from capital FPMT Crowding ratio 20 investment ...
... Pollution ratio Quality of life from crowding Birth rate normal BRN BR Birth rate 2 + P. Food ratio FR 19 Food ratio FN FC FC1 , SWT7 Food coefficient FCM FPM FPCI FCMT Food potential FPCIT from capital FPMT Crowding ratio 20 investment ...
Page 28
... ratio CR to reduce the land available for agriculture as represented by the food - from - crowding multiplier FCM and reduces the food ratio ... pollution POL , and increases pollution ratio. 28 Chapter Two Population Controlled by Pollution.
... ratio CR to reduce the land available for agriculture as represented by the food - from - crowding multiplier FCM and reduces the food ratio ... pollution POL , and increases pollution ratio. 28 Chapter Two Population Controlled by Pollution.
Page 54
... POLLUTION MULTIPLIER ( DIMENSIONLESS ) FPM TABLE · LOGICAL FUNCTION , TABLE LOOK UP AND INTERPOLATION FPMT POLR - · FOOD - FROM - POLLUTION - MULTIPLIER TABLE POLLUTION RATIO ( DIMENSIONLESS ) present levels but that the reduction in ...
... POLLUTION MULTIPLIER ( DIMENSIONLESS ) FPM TABLE · LOGICAL FUNCTION , TABLE LOOK UP AND INTERPOLATION FPMT POLR - · FOOD - FROM - POLLUTION - MULTIPLIER TABLE POLLUTION RATIO ( DIMENSIONLESS ) present levels but that the reduction in ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
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1970 conditions 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 Chapter CI=C CIAF CIGN1 Club of Rome computer model crowding ratio curve decline DRFM ECIR effect effective-capital-investment ratio environment equations equilibrium exponential growth food production food ratio food supply FPMT in-agriculture fraction increase industrialization INTERPOLATION Limits to Growth LOGICAL FUNCTION Main Street Cambridge material standard mental models MULTIPLIER DIMENSIONLESS natural resources natural-resource Natural-resource-usage rate negative loop NR=N NREM NREMT NRUN1 POLN1 physical limits physical stress POLAT pollution absorption pollution crisis pollution-absorption population and capital population density PRESENT ORIGINAL pressures processes QL-Q ratio CIR RATIO DIMENSIONLESS rise Section sector shortage social stress social systems standard of living structure system levels TABHL TABLE LOOK tion units per person UNITS/PERSON/YEAR UNITS/YEAR usage rate variable world model world population world system