## World Dynamics |

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Page 2

Each fixed time interval shows a doubling of the relevant system

Exponential growth is treacherous and misleading . A system

continue through many doubling intervals without seeming to reach significant

size . But then ...

Each fixed time interval shows a doubling of the relevant system

**variable**.Exponential growth is treacherous and misleading . A system

**variable**cancontinue through many doubling intervals without seeming to reach significant

size . But then ...

Page 32

1 Population P Population in Figure 2 - 1 is a system “ level ”

level represents the process of accumulation . Mathematically speaking , the

process is one of integration . Population at any point in time is calculated as the

...

1 Population P Population in Figure 2 - 1 is a system “ level ”

**variable**. A systemlevel represents the process of accumulation . Mathematically speaking , the

process is one of integration . Population at any point in time is calculated as the

...

Page 131

... 3 is a letter indicating the kind of concept that is defined by the equation . The

letter L indicates a level equation , N an initial value for a level , R a rate equation

, A an auxiliary

... 3 is a letter indicating the kind of concept that is defined by the equation . The

letter L indicates a level equation , N an initial value for a level , R a rate equation

, A an auxiliary

**variable**that is part of the rate equation it feeds , C a constant , T ...### What people are saying - Write a review

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### Contents

Introduction | 1 |

Structure of the World System | 17 |

A World Model Structure and Assumptions | 31 |

Copyright | |

5 other sections not shown

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### Common terms and phrases

accumulation action actual agriculture appear assumed assumptions average become behavior billion birth rate capital investment Capital-investment cause Chapter consequences continue created crowding curve death rate decline defined depends described developed discard discussed dynamic effect environment equations equilibrium examine existing expect factors falling Figure food production food ratio food supply forces fraction further future gives greater grow growth higher improve increase indicated industrialization influence initial land less limit LOGICAL FUNCTION loop lower material standard means mode MULTIPLIER DIMENSIONLESS natural resources natural-resource needed normal NREM occurs person policies pollution crisis pollution ratio POLR population possible PRESENT ORIGINAL pressures probably processes rate normal RATIO DIMENSIONLESS reaches reduced relationship remaining represents result rise sector shortage shown shows social systems space standard of living stop structure suppressed TABLE taken tion UNITS usage variable world system