World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 64
... LOOK UP AND INTERPOLATION · QUALITY - OF - LIFE - FROM - POLLUTION TABLE POLLUTION RATIO ( DIMENSIONLESS ) 3.42 Natural - Resource - from - Material Multiplier NRMM The usage rate of natural resources depends on population and on the ...
... LOOK UP AND INTERPOLATION · QUALITY - OF - LIFE - FROM - POLLUTION TABLE POLLUTION RATIO ( DIMENSIONLESS ) 3.42 Natural - Resource - from - Material Multiplier NRMM The usage rate of natural resources depends on population and on the ...
Page 95
... look close to the symptoms of trouble for a cause . But when we look , we are misled because the social system presents us with an apparent cause that is plausible according to the lessons we have learned from simple systems , although ...
... look close to the symptoms of trouble for a cause . But when we look , we are misled because the social system presents us with an apparent cause that is plausible according to the lessons we have learned from simple systems , although ...
Page 141
... LOOK UP AND INTERPOLATION LOGICAL FUNCTION , TABLE LOOK UP AND INTERPOLATION CALENDAR TIME ( YEARS ) References 1. Banfield , Edward C. The Unheavenly City . Definitions of Terms 141.
... LOOK UP AND INTERPOLATION LOGICAL FUNCTION , TABLE LOOK UP AND INTERPOLATION CALENDAR TIME ( YEARS ) References 1. Banfield , Edward C. The Unheavenly City . Definitions of Terms 141.
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