World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 32
... behavior . We are interested in the possible modes of behavior of the world system . Before one is justified in devoting large amounts of time to individual assumptions , he should see something of the total system behavior . Also ...
... behavior . We are interested in the possible modes of behavior of the world system . Before one is justified in devoting large amounts of time to individual assumptions , he should see something of the total system behavior . Also ...
Page 67
... behavior that have been assumed . The rules describe how each part of the system is to operate in response to pressures and influences from other parts of the system . The rules allow a computer to play the roles of the various elements ...
... behavior that have been assumed . The rules describe how each part of the system is to operate in response to pressures and influences from other parts of the system . The rules allow a computer to play the roles of the various elements ...
Page 68
... behavior of the whole , we improve our understanding of the structure and the dynamics of the system . This book is the result of several cycles of reexamination and revision by the author . Future im- provement will come from those who ...
... behavior of the whole , we improve our understanding of the structure and the dynamics of the system . This book is the result of several cycles of reexamination and revision by the author . Future im- provement will come from those who ...
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