World Dynamics1971 |
From inside the book
Results 1-3 of 18
Page viii
... described in this book was devised in the early part of July to form a basis for discussion at the conference . It must be considered a preliminary effort . But all models will be tentative , for new insights will continue to appear ...
... described in this book was devised in the early part of July to form a basis for discussion at the conference . It must be considered a preliminary effort . But all models will be tentative , for new insights will continue to appear ...
Page 32
... described , and finally returns to improve the assumptions and the interpretations . This book is the first of such iterations ; it is intended as much to present methodology as to yield conclusions . A second iteration involv- ing a ...
... described , and finally returns to improve the assumptions and the interpretations . This book is the first of such iterations ; it is intended as much to present methodology as to yield conclusions . A second iteration involv- ing a ...
Page 67
... described system can be determined . * Details of the system specified in the two preceding chapters give the rules of behavior that have been assumed . The rules describe how each part of the system is to operate in response to ...
... described system can be determined . * Details of the system specified in the two preceding chapters give the rules of behavior that have been assumed . The rules describe how each part of the system is to operate in response to ...
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