World DynamicsThe "system dynamics" approach to economics as developed at MIT. |
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Page viii
... present trends of economic growth is much easier than finding answers to the questions of when , how , and for whom economic growth should stop . Before there can be any move away from present policies and practices , alternatives must ...
... present trends of economic growth is much easier than finding answers to the questions of when , how , and for whom economic growth should stop . Before there can be any move away from present policies and practices , alternatives must ...
Page 12
... present under- developed countries reaching the standard of living demonstrated by the present industrialized nations . The pollution and natural - resource load placed on the world environmental system by each person in an advanced ...
... present under- developed countries reaching the standard of living demonstrated by the present industrialized nations . The pollution and natural - resource load placed on the world environmental system by each person in an advanced ...
Page 43
... present level of world population , little effect on death rate has been assumed from crowding . However , as crowding rises toward 5 times the present population , the death rate is taken to rise ever more steeply and to reach 3 times ...
... present level of world population , little effect on death rate has been assumed from crowding . However , as crowding rises toward 5 times the present population , the death rate is taken to rise ever more steeply and to reach 3 times ...
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