World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 129
... stress he could relieve social stress as well . Also , social stresses may be translated into terms imply- ing physical stress when the most obvious manifestations of stress are physical . Social limits arise as population density ...
... stress he could relieve social stress as well . Also , social stresses may be translated into terms imply- ing physical stress when the most obvious manifestations of stress are physical . Social limits arise as population density ...
Page 131
... stress , social stress , and self - restraint - must together rise high enough to bring the socio - economic sys- tem into equilibrium with the environmental capacity of the earth . The most important question is how the influences to ...
... stress , social stress , and self - restraint - must together rise high enough to bring the socio - economic sys- tem into equilibrium with the environmental capacity of the earth . The most important question is how the influences to ...
Page 132
... stress and social stress . To relieve physical stress is to increase social stress unless the growth process is first brought under control . The optimistic future lies in the direction of first limiting the processes of growth and then ...
... stress and social stress . To relieve physical stress is to increase social stress unless the growth process is first brought under control . The optimistic future lies in the direction of first limiting the processes of growth and then ...
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