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‡Œ•œ¹&¸¦€> ‡Œ¸ãH¡7L¿¾¾È›&Internally defined simulation time.n The model from World Dynamics. Variable names have been lengthened to increase clarity.. The worldwide number of deaths occurring. The total number of births.. The fraction of capital in agriculture. The capital stock.& The normal fractional birth rate.2 The alternate normal fractional birth rate.N The table for the effect of crowding on the number of births.6 The effect of crowding on the number of births.> The table for the effect of food on the number of births.2 The effect of food on the number of births.R Table for the effect of the material standard of living on births.> The effect of the material standard of living on births.N The table for the effect of pollution on the number of births.6 The effect of pollution on the number of births.B The time to adjust the fraction of capital in agriculture.v The fraction of capital that should be agricultural as indicated by the availability of food.z The fraction of capital that should be agricultural as indicated by the availability of food table.6 The fraction of capital in agriculture initially.B The fraction of capital investment devoted to agriculture.6 The rate at which the capital stock depreciates.> The fractional rate at which the capital stock degrades.R The alternative fractional rate at which the capital stock degrades." The initial capital stock.r Multiplier for the effect of the material standard of living on capital investment table.. Capital investment from quality table.6 The normal per capita rate of capital investment.2 The gross amount of investment in capital.& Capital investment from quality.j Multiplier for the effect of the material standard of living on capital investment.6 The normal per capita rate of capital investment.: The capital investment ratio (per capita investment).2 The capital investment ratio in agriculure.n The ratio oioulation to normally supportable population used as a measure of crowding.* The normal fractional rate of death.6 The alternate normal fractional rate of death.N The table for the effect of crowding on the number of deaths.6 The effect of crowding on the number of deaths.> The table for the effect of food on the number of deaths.2 The effect of food on the number of deaths.R Table for the effect of the material standard of living on deaths.> The effect of the material standard of living on deaths.N The table for the effect of pollution on the number of deaths.6 The effect of pollution on the number of deaths.: The effective ratio between capital and investment.: The effective ratio between capital and investment.& The final time for the simulation. Coeffecient for diddling the food supply.: Alternative coeffecient for diddling the food supply.N The table for the effect of crowding on the production of food.6 The effect of crowding on the production of food.: The normal amount of food required for an individual.b The potential amount of food that can be grown based on capital investment.j The potential amount of food that can be grown based on capital investment table.B The effect of pollution on the ability to grow food table.: The effect of pollution on the ability to grow food.6 The ration of food available to required food.* The initial time for the simulation* The total amount of habitable land.. The relative material standard of living.r Table for the multiplier on effective capital investment from remaining natural resources.6 The fraction of natural resource still remaining.^ Table for the effect of the material well being on natural resoure use.N The effect of the material well being on natural resource use.* The normal rate of natural resources.* The normal rate of natural resources.j The multiplier on effective capital investment from remaining natural resources.. The rate of natural resource utilization.2 The amount of natural resources remaining.: The amount of natual resource initially available.. The amount of non-incorporated pollution.N The rate at which pollution is reincorporated into the ecology.V The time it takes to incorporate pollution back into the environment.b The time it takes to incorporate pollution back into the environment table.: The effect of capital on pollution generation table.6 The effect of capital on pollution generation.6 The rate at which non-ncorporate poltion changes.: The amount of non-incorporated pollution initially.> The amount of pollution produced by a person in a year.R The alternative amount of pollution produced by a person in a year.* The ration of pollution to standard.: The standard amount of non-incorporated pollution. World population.& The normal density of population.> The world population at the beginning of the simulation.J The table for the effect of crowding on the quality of life.6 The effect of crowding on the quality of life.> The table for the effect of food on the quality of life.2 The effect of food on the quality of life.b Table for the effect of the material standard of living on quality of life.V The effect of the material standard of living on the quality of life. The quality of life." The standard quality of life.N The table for the effect of pollution on the quality of life.6 The effect of pollution on the quality of life.. The frequency with which data is stored6 The time at which the birth rate normal switchesV The time at which to swithc the natural rate of resource utilization.2 The time at which to switch the death rate.> The time at which to switch the capital investment rate.B The time at which to swithc the capital depreciation rate.: The time at which pollution generation rate switches.2 The time at which to switch the food supply.& The time step for the simulation„½€ö€ö€ö€ö€ö€ö ×#= ×#=€ö€ö€ö€ö€öpA€öÍÌL>š™™>€öÍÌÌ<ÍÌÌ< ¼¾M€ö€ö€öÍÌL=ÍÌL=€ö€ö€öB`åM€?€?€ö¤“VOÔA²ÄN€ö€ö€ö€ö€?€ö @@öD@öD@öD@öD@öD@öD@öD€>   ! '. 5:?EKPU[ aj !s~ "‰#—)£ª+±¸,¿Ä2ÉÔ 1ßæ9íó:ù CDE%,H¡7L¿88È€?@@@€@ @ff†?€?fff?333?š™?ÍÌ ?€?@@@€@€?ÍÌÌ?33ó?@€?@@@€@ @š™™?€?š™Y?@?333?333? A AðA BHBpB\‚?fff?333?ÍÌÌ>€>š™>ÍÌÌ=?€?À?@€?š™?š™™>š™>ÍÌÌ=€?@@@€@ @ÍÌÌ=€?ffæ?š™@333@@@?€?À?@333?ÍÌL?€?À?@€?@@@€@ @fff?€?š™™?À?33ó?@@€>?@?€? ?À?à?@ðA@@@33³?€?333?š™????€?À?@ @@@`@€@@ @@@ffæ?€?ÍÌL?333?š™?®????? A AðA BHBpB…k?ff¦?@ÍÌL@š™™@š™Ù@33A€?@@@€@ @š™@€?š™?ÍÌÌ>š™™>ÍÌL>€?@@@€@ @À@?€?33³?š™Ù?33ó?33@ÍÌ @ A AðA BHBpB\‚?fff?ff&?33³>ÍÌL>ÍÌÌ=ÍÌL=€>?@?€?š™>?š™Y?€?€?@@@€@ @À@à@AA A€?ffæ?š™@š™9@33S@fff@33s@š™y@ÍÌ|@€@ A AðA BHBpBš™? @ @A8AxA A€?@@@€@ @ÍÌL=€?@@Í̬@ÍÌì@A?€?À?@ @@@`@€@ @°@@ff¦?€?@?ÍÌ ?ffæ>\Â>š™™>€>ÍÌL>®Ga>€?@@@€@€?ffæ?š™@ÍÌ,@€?@@@€@ @ÍÌL>€?š™Ù?33@ÍÌ,@š™9@ A AðA BHBpB¸…?š™Y??š™™>š™>ÍÌL= ×£<///---\\\ :GRAPH WORLD :TITLE World Model Results :X-DIV 7 :WIDTH 25 :HEIGHT 15 :SCALE :VAR Population :LINE-WIDTH 4 :SCALE :VAR Capital :LINE-WIDTH 2 :SCALE :VAR Pollution :LINE-WIDTH 2 :SCALE :VAR Natural Resources :LINE-WIDTH 2 :SCALE :VAR quality of life :LINE-WIDTH 2 :GRAPH GRAPH1_DOTS :TITLE Results from the WORLD model. :X-DIV 7 :WIDTH 25 :HEIGHT 15 :DOTS :SCALE :VAR Capital :SHAPE CIRCLE,3 :SCALE :VAR Natural_Resources :SHAPE X,2 :SCALE :VAR quality_of_life :SHAPE CROSS,2 :SCALE :VAR Population :SHAPE DIAMOND,2 :SCALE :VAR Pollution :SHAPE TRIANGLE,3 :L<%^E!@ 9:Current 15:0,0,0,0 19:100,0 5:birth rate normal