World Dynamics1971 |
From inside the book
Results 1-3 of 58
Page 22
... increase of 1.2 % per year . These rates are called " normal " rates because they correspond to a standard set of world conditions when the values of food , material standard of living , crowding , and pollution are all at their " stan ...
... increase of 1.2 % per year . These rates are called " normal " rates because they correspond to a standard set of world conditions when the values of food , material standard of living , crowding , and pollution are all at their " stan ...
Page 23
refer to the abbreviations on the diagram . ) Population increases birth rate which increases population , and the ... increase in population P , by way of the dashed line , increases death rate DR and reduces population P. Death rate ...
refer to the abbreviations on the diagram . ) Population increases birth rate which increases population , and the ... increase in population P , by way of the dashed line , increases death rate DR and reduces population P. Death rate ...
Page 25
... increases , the pollution- absorption time POLAT increases ; this reduces the rate of pollution absorption POLA , and tends to increase pollution POL . So an increase in pollution , traced around the loop , produces a still further increase ...
... increases , the pollution- absorption time POLAT increases ; this reduces the rate of pollution absorption POLA , and tends to increase pollution POL . So an increase in pollution , traced around the loop , produces a still further increase ...
Contents
Introduction | 1 |
Structure of the World System | 17 |
A World Model Structure and Assumptions | 31 |
Copyright | |
6 other sections not shown
Other editions - View all
Common terms and phrases
1970 conditions accumulation agricultural land assumed assumptions behavior birth rate normal birth-control program BRFM BRMM BRN1 capital investment CAPITAL UNITS CAPITAL UNITS/PERSON CAPITAL-INVESTMENT DISCARD capital-investment multiplier capital-investment ratio CAPITAL-INVESTMENT-IN-AGRICULTURE FRACTION cause Chapter CIAF CIGN1 Club of Rome coefficient computer model crowding ratio curve death rate normal 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 POLAT POLCM pollution absorption pollution crisis pollution-absorption population and capital population density PRESENT ORIGINAL pressures 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