World Dynamics1971 |
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Page 33
... defined here , is the total rate at which people are being added to the popula- tion . It is measured in people per year . In demography , " birth rate " is more often defined as the rate per thousand of population , or the births as a ...
... defined here , is the total rate at which people are being added to the popula- tion . It is measured in people per year . In demography , " birth rate " is more often defined as the rate per thousand of population , or the births as a ...
Page 36
... defined as the capital investment available per person in 1970. Thus by definition , the value of ECIRN is 1 capital unit per person . The relationship has no numerical effect on the value from ECIR but maintains the intended dimensions ...
... defined as the capital investment available per person in 1970. Thus by definition , the value of ECIRN is 1 capital unit per person . The relationship has no numerical effect on the value from ECIR but maintains the intended dimensions ...
Page 38
... defined here , natural resources include only those nonreplaceable materials in the earth . They do not include wood ... define the natural- resource - usage rate NRUR in 1970 as being 1 natural resource unit per person . This is the ...
... defined here , natural resources include only those nonreplaceable materials in the earth . They do not include wood ... define the natural- resource - usage rate NRUR in 1970 as being 1 natural resource unit per person . This is the ...
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 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