World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 38
... NATURAL - RESOURCE - EXTRACTION MULTIPLIER ( DIMENSIONLESS ) - LOGICAL FUNCTION , TABLE LOOK UP AND NREM TABLE NREMT NRFR · · INTERPOLATION 6 , A 6.1 , T NATURAL - RESOURCE - EXTRACTION - MULTIPLIER TABLE NATURAL ... Natural Resources NR.
... NATURAL - RESOURCE - EXTRACTION MULTIPLIER ( DIMENSIONLESS ) - LOGICAL FUNCTION , TABLE LOOK UP AND NREM TABLE NREMT NRFR · · INTERPOLATION 6 , A 6.1 , T NATURAL - RESOURCE - EXTRACTION - MULTIPLIER TABLE NATURAL ... Natural Resources NR.
Page 39
... natural resources . NR.K = NR.J + ( DT ) ( -NRUR.JK ) NR = NRI NRI 900E9 NR NRUR NRI 8 , L 8.1 , N 8.2 , C NATURAL RESOURCES ( NATURAL RESOURCE UNITS ) NATURAL - RESOURCE - USAGE RATE ( NATURAL RESOURCE UNITS / YEAR ) NATURAL RESOURCES , ...
... natural resources . NR.K = NR.J + ( DT ) ( -NRUR.JK ) NR = NRI NRI 900E9 NR NRUR NRI 8 , L 8.1 , N 8.2 , C NATURAL RESOURCES ( NATURAL RESOURCE UNITS ) NATURAL - RESOURCE - USAGE RATE ( NATURAL RESOURCE UNITS / YEAR ) NATURAL RESOURCES , ...
Page 74
... resource shortage . If natural resources do not limit population growth and slow the pace of industrialization , however , some other force in the world system will eventually do so . If we wish to assume that natural resources will not ...
... resource shortage . If natural resources do not limit population growth and slow the pace of industrialization , however , some other force in the world system will eventually do so . If we wish to assume that natural resources will not ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
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Common terms and phrases
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