World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 2
... expect growth , to see it as the natural condition of human behavior , and to equate growth with " progress . " We speak of the annual percentage growth in gross national product ( GNP ) and in population . Quantities that grow by a ...
... expect growth , to see it as the natural condition of human behavior , and to equate growth with " progress . " We speak of the annual percentage growth in gross national product ( GNP ) and in population . Quantities that grow by a ...
Page 71
... expect them to be ( Reference 1 ) . Figure 4-2 shows four ratios related to quality of life for the same time interval and system conditions as in Figure 4-1 . Also shown is the capital - invest- 5M JFFF . FM . FM SW F5 F5 F5 F5 ...
... expect them to be ( Reference 1 ) . Figure 4-2 shows four ratios related to quality of life for the same time interval and system conditions as in Figure 4-1 . Also shown is the capital - invest- 5M JFFF . FM . FM SW F5 F5 F5 F5 ...
Page 113
... expect them to be . Furthermore , when a sensitive influence is identified , the chances are that a person guided only by intuition and judgment will alter the control variable in the wrong direction . For example as seen in Chapter 5 ...
... expect them to be . Furthermore , when a sensitive influence is identified , the chances are that a person guided only by intuition and judgment will alter the control variable in the wrong direction . For example as seen in Chapter 5 ...
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