World Dynamics1971 |
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Page 48
3.20 Food - from - Crowding Multiplier FCM Crowding will ultimately have a major influence on food production as al- ready described in Figures 14 and 1-5 . The more people , the more space oc- cupied ; and the more occupied space , the ...
3.20 Food - from - Crowding Multiplier FCM Crowding will ultimately have a major influence on food production as al- ready described in Figures 14 and 1-5 . The more people , the more space oc- cupied ; and the more occupied space , the ...
Page 49
3.21 Food Potential from Capital Investment FPCI The capital investment per capita in agriculture will be a major influence on the capability for producing food . Capital investment means here more than farm machinery . It includes ...
3.21 Food Potential from Capital Investment FPCI The capital investment per capita in agriculture will be a major influence on the capability for producing food . Capital investment means here more than farm machinery . It includes ...
Page 106
... Agricultural Productivity The hope of much of the world rests on greater food production . Desert land is reclaimed . Better crop plants are developed . Irrigation dams are constructed . Forests are cleared . What is the history of such ...
... Agricultural Productivity The hope of much of the world rests on greater food production . Desert land is reclaimed . Better crop plants are developed . Irrigation dams are constructed . Forests are cleared . What is the history of such ...
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