World Dynamics1971 |
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Page 32
... improve the assumptions and the interpretations . This book is the first of such iterations ; it is intended as much to present methodology as to yield conclusions . A second iteration involv- ing a major review and improvement is in ...
... improve the assumptions and the interpretations . This book is the first of such iterations ; it is intended as much to present methodology as to yield conclusions . A second iteration involv- ing a major review and improvement is in ...
Page 74
... improve performance of the real system . A third category of changes are made to search for various modes of behavior that the system can exhibit . The latter are useful to improve our understanding of the system with which we are ...
... improve performance of the real system . A third category of changes are made to search for various modes of behavior that the system can exhibit . The latter are useful to improve our understanding of the system with which we are ...
Page 94
... improvement often sets the stage for a long - term degradation . Third , the local goals of a part of a system often ... improve- ment may initially depress the behavior of a system . This is especially treacherous . The short run is ...
... improvement often sets the stage for a long - term degradation . Third , the local goals of a part of a system often ... improve- ment may initially depress the behavior of a system . This is especially treacherous . The short run is ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
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1970 conditions accumulation agricultural land assumed assumptions behavior birth rate normal birth-control program BRFM BRMM BRN1 capital investment CAPITAL UNITS CAPITAL UNITS/PERSON CAPITAL-INVESTMENT DISCARD capital-investment multiplier capital-investment ratio CAPITAL-INVESTMENT-IN-AGRICULTURE FRACTION cause Chapter CIAF CIGN1 Club of Rome coefficient computer model crowding ratio curve death rate normal decline DRFM dynamic ECIR effect effective-capital-investment ratio equations equilibrium exponential growth food production food ratio food supply FPMT FRACTION/YEAR in-agriculture fraction increase industrialization INTERPOLATION limit LOGICAL FUNCTION material standard mental models MULTIPLIER DIMENSIONLESS natural resources natural-resource Natural-resource-usage rate negative loop NR=N NREM NREMT NRUN1 POLN1 POLAT POLCM pollution absorption pollution crisis pollution-absorption population and capital population density PRESENT ORIGINAL pressures ratio CIR RATIO DIMENSIONLESS result rise Section sector shortage social systems SQUARE KILOMETERS standard of living system levels TABHL TABLE LOOK TIME.K tion units per person UNITS/PERSON/YEAR UNITS/YEAR usage rate variable world model world population world system