World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 37
... remaining NRFR . At the other extreme , if there are no natural resources , capital investment will be ineffective ... remaining . NREM.K TABLE ( NREMT , NRFR.K , 0,1 , .25. A World Model - Structure and Assumptions 37 Natural-Resource ...
... remaining NRFR . At the other extreme , if there are no natural resources , capital investment will be ineffective ... remaining . NREM.K TABLE ( NREMT , NRFR.K , 0,1 , .25. A World Model - Structure and Assumptions 37 Natural-Resource ...
Page 38
... REMAINING ( DIMENSIONLESS ) zero . The upper right end of the curve is nearly level because initial depletion of ... Remaining NRFR The actual natural resources NR divided by the natural resources initial NRI gives the natural - resource ...
... REMAINING ( DIMENSIONLESS ) zero . The upper right end of the curve is nearly level because initial depletion of ... Remaining NRFR The actual natural resources NR divided by the natural resources initial NRI gives the natural - resource ...
Page 77
... remaining population . Such might not be true under the catastrophic conditions that are depicted . If the population decline occurs mostly in the industrialized nations , capital investment and the remaining world population would be ...
... remaining population . Such might not be true under the catastrophic conditions that are depicted . If the population decline occurs mostly in the industrialized nations , capital investment and the remaining world population would be ...
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