World DynamicsExamination of the structure of countervailing forces such as population growth, food production, capital investment, natural resources depletion, pollution, etc., at world level when exponential growth rate overburdens the environment - simulates world growth trends by means of a large-scale computer model and shows that a global equilibrium could be achieved if social policies and programmes were chosen taking into account the dynamic characteristics of world social systems. Flow charts. |
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Page 13
... equations of certain simple engineering problems . Such a set of equations is a model of the system they represent . Such a model describes the rules that govern the system behavior . The differential analyzer , set up in accordance ...
... equations of certain simple engineering problems . Such a set of equations is a model of the system they represent . Such a model describes the rules that govern the system behavior . The differential analyzer , set up in accordance ...
Page 31
... equations . Those readers who are not familiar with algebraic notation may wish to ignore the equations that are placed at the end of each subsection . Those readers who are conversant with equation terminology will find the equation ...
... equations . Those readers who are not familiar with algebraic notation may wish to ignore the equations that are placed at the end of each subsection . Those readers who are conversant with equation terminology will find the equation ...
Page 132
Jay W. Forrester. B Equations of the World Model The following equations and control information are in the exact format used by the DYNAMO compiler for producing the computer output used in this book . WORLD DYNAMICS W5 P.K = P.J + ( DT ) ...
Jay W. Forrester. B Equations of the World Model The following equations and control information are in the exact format used by the DYNAMO compiler for producing the computer output used in this book . WORLD DYNAMICS W5 P.K = P.J + ( DT ) ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
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Common terms and phrases
1970 conditions accumulation agricultural land 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 cause Chapter CI=C CIAF CIGN1 CIMT Club of Rome coefficient computer model crowding ratio curve 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 POLCM pollution absorption pollution crisis pollution ratio POLR POLLUTION UNITS pollution-absorption population and capital population density pressures QL-Q 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