World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 35
... material standard of living . 5 BRMM TABHL BRMMT MSL · BRMM.K - TABHL ( BRMMT , MSL.K , 0,5,1 ) BRMMT = 1.2 / 1 / .85 / .75 / .7 / .7 · BIRTH - RATE - FROM - MATERIAL MULTIPLIER ( DIMENSIONLESS ) - LOGICAL FUNCTION , TABLE LOOK UP AND 3 ...
... material standard of living . 5 BRMM TABHL BRMMT MSL · BRMM.K - TABHL ( BRMMT , MSL.K , 0,5,1 ) BRMMT = 1.2 / 1 / .85 / .75 / .7 / .7 · BIRTH - RATE - FROM - MATERIAL MULTIPLIER ( DIMENSIONLESS ) - LOGICAL FUNCTION , TABLE LOOK UP AND 3 ...
Page 36
... material standard of living drops toward zero . At the right - hand end of the figure , we expect the birth rate to decline , but the amount is not easy to estimate . High standard of living is usually associated with a higher adequacy ...
... material standard of living drops toward zero . At the right - hand end of the figure , we expect the birth rate to decline , but the amount is not easy to estimate . High standard of living is usually associated with a higher adequacy ...
Page 40
... Material Multiplier DRMM The material standard of living , as reflected in health services and housing as well as other consequences of technology , has a pronounced effect on mortality . Figure 3-3 shows the assumed effect . It ...
... Material Multiplier DRMM The material standard of living , as reflected in health services and housing as well as other consequences of technology , has a pronounced effect on mortality . Figure 3-3 shows the assumed effect . It ...
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