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 33
... BIRTH RATE ( PEOPLE / YEAR ) DR PI · DEATH RATE ( PEOPLE / YEAR ) - POPULATION , INITIAL ( PEOPLE ) 1 , L 1.1 , N 1.2 , C 3.2 Birth Rate BR The birth rate is part of the positive - feedback loop shown in Figure 2-2 . Basic birth rate ...
... BIRTH RATE ( PEOPLE / YEAR ) DR PI · DEATH RATE ( PEOPLE / YEAR ) - POPULATION , INITIAL ( PEOPLE ) 1 , L 1.1 , N 1.2 , C 3.2 Birth Rate BR The birth rate is part of the positive - feedback loop shown in Figure 2-2 . Basic birth rate ...
Page 34
... rate normal DRN . Taking a world population of 1.6 billion in 1900 and a world population of 3.6 billion in 1970 , the cumulative growth rate has averaged 1.2 % per year . This is the difference between the birth rate and the death rate ...
... rate normal DRN . Taking a world population of 1.6 billion in 1900 and a world population of 3.6 billion in 1970 , the cumulative growth rate has averaged 1.2 % per year . This is the difference between the birth rate and the death rate ...
Page 46
... birth rate , especially in the critical region where the population is undernourished . It appears that the world has normally existed in that sensitive region where food regulates birth and death rates so that population maintains its ...
... birth rate , especially in the critical region where the population is undernourished . It appears that the world has normally existed in that sensitive region where food regulates birth and death rates so that population maintains its ...
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 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