World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page 5
... stop the growth processes that had previously been in control . In one brief moment of time the world finds that the apparent law of exponential growth fails as the complete description of nature . Other fundamental laws of nature and ...
... stop the growth processes that had previously been in control . In one brief moment of time the world finds that the apparent law of exponential growth fails as the complete description of nature . Other fundamental laws of nature and ...
Page 112
... stop population growth , but it also is encountering the pressures that will stop the rise of both industrialization and the world average of standard of living . The social stresses will rise still higher . The economic forces will be ...
... stop population growth , but it also is encountering the pressures that will stop the rise of both industrialization and the world average of standard of living . The social stresses will rise still higher . The economic forces will be ...
Page 124
... stop only in the face of enough pressure to suppress the internal dynamic forces of expansion . Many programs - for example the development of more productive grains and agricultural methods - are spoken of as " buying time " until ...
... stop only in the face of enough pressure to suppress the internal dynamic forces of expansion . Many programs - for example the development of more productive grains and agricultural methods - are spoken of as " buying time " until ...
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