World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 17
... Chapter 3 con- tains the full detail and assumptions of the computer model . Almost all of the concepts and numerical values used in this chapter will be explained more fully in Chapter 3 . In constructing a computer model of a social ...
... Chapter 3 con- tains the full detail and assumptions of the computer model . Almost all of the concepts and numerical values used in this chapter will be explained more fully in Chapter 3 . In constructing a computer model of a social ...
Page 31
... chapter is somewhat more technical than the others . Yet each person should read enough to satisfy himself about the assump- tions from which follow the consequences in Chapters 4 , 5 , and 6. The nature of this world model is given ...
... chapter is somewhat more technical than the others . Yet each person should read enough to satisfy himself about the assump- tions from which follow the consequences in Chapters 4 , 5 , and 6. The nature of this world model is given ...
Page 34
... Chapter 2 regulate the actual birth and death rates in response to the world conditions and will compensate , over a wide range , for changes in the values of the " normal " coefficients . This insensitivity , as to the values of BRN ...
... Chapter 2 regulate the actual birth and death rates in response to the world conditions and will compensate , over a wide range , for changes in the values of the " normal " coefficients . This insensitivity , as to the values of BRN ...
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