World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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... Club of Rome had already planned a project on " The Predicament of Mankind . " Preliminary goals , a survey of method- ologies , and a statement of the " problematique " had been prepared by Aurelio Peccei , Eduard Pestel , Alexander ...
... Club of Rome had already planned a project on " The Predicament of Mankind . " Preliminary goals , a survey of method- ologies , and a statement of the " problematique " had been prepared by Aurelio Peccei , Eduard Pestel , Alexander ...
Page 14
... Club of Rome to visit M.I.T. for two weeks to review the system dynamics program and to evaluate the applicability to the Club's project on world evolution . The invitation was accepted , and a conference was held beginning July 20 ...
... Club of Rome to visit M.I.T. for two weeks to review the system dynamics program and to evaluate the applicability to the Club's project on world evolution . The invitation was accepted , and a conference was held beginning July 20 ...
Page 18
... Club of Rome . It grew out of a meeting in Bern , Switzerland on June 29 , 1970 and from my own background of experience and reading . The model is preliminary . Its purpose is to raise questions and to trigger further work . In the ...
... Club of Rome . It grew out of a meeting in Bern , Switzerland on June 29 , 1970 and from my own background of experience and reading . The model is preliminary . Its purpose is to raise questions and to trigger further work . In the ...
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