WOLFRAM SYSTEMMODELER

Industrial_Investment

Investments in the military/industrial sector

Diagram

Wolfram Language

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SystemModel["SystemDynamics.WorldDynamics.World3.Industrial_Investment"]
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Information

This model calculates the capital invested in industry.

Whereas the earlier WORLD2 model lumped all capital investment into a single state variable from which it then split off the percentage of capital invested in the agricultural sector as a second state variable (a funny choice for a state variable, since percentages don't accumulate), the more modern WORLD3 model differentiates between capital invested in industry, capital invested in the service sector, capital invested in agriculture, and other capital investment.

The industrial capital is measured in U.S. dollars.

Public Parameters (9)

industrial_capital_init

Value: 210000000000.0

Type: Real (dollar)

Description: Initial industrial investment

ind_out_pc_des

Value: 400

Type: Real (dollar/yr)

Description: Desired annual industrial per capita output

p_avg_life_ind_cap_1

Value: 14

Type: Real (yr)

Description: Default average life of industrial capital

p_avg_life_ind_cap_2

Value: 14

Type: Real (yr)

Description: Controlled average life of industrial capital

p_fioa_cons_const_1

Value: 0.43

Type: Real

Description: Default fraction of industrial output allocated to consumption

p_fioa_cons_const_2

Value: 0.43

Type: Real

Description: Controlled fraction of industrial output allocated to consumption

p_ind_cap_out_ratio_1

Value: 3

Type: Real (yr)

Description: Default industrial capital output ratio

t_ind_equil_time

Value: 4000

Type: Real (yr)

Description: Year of industrial equilibrium

t_policy_year

Value: 4000

Type: Real (yr)

Description: Year of policy change

Connectors (12)

population

Type: MassInPort

Description: Population

s_fioa_serv

Type: MassInPort

Description: Fraction of total investments allocated to the service sector

s_fioa_agr

Type: MassInPort

Description: Fraction of total investments allocated to the agricultural sector

s_fr_cap_al_obt_res

Type: MassInPort

Description: Fraction of capital allocated to resource use efficiency

capital_util_fr

Type: MassInPort

Description: Capital utilization fraction

ppoll_tech_mult_icor_COPM

Type: MassInPort

Description: Technology induced reduction in persistent pollution release

yield_tech_mult_icor_COYM

Type: MassInPort

Description: Technology induced relative enhancement of land yield

ind_cap_out_ratio_2_ICOR2T

Type: MassInPort

Description: Industrial capital output ratio

industrial_output

Type: MassOutPort

Description: Annual industrial output

industrial_capital

Type: MassOutPort

Description: Total capital invested in the military/industrial sector

ind_out_pc

Type: MassOutPort

Description: Per capita annual industrial output

cons_ind_out_pc1

Type: MassOutPort

Description: Per capita general industrial output

Components (19)

Industrial_Capital

Type: Level

Description: p.218 of Dynamics of Growth in a Finite World

Ind_Cap_Invest

Type: RRate

Description: p.222 of Dynamics of Growth in a Finite World

Ind_Cap_Deprec

Type: RRate

Description: p.221 of Dynamics of Growth in a Finite World

Ind_Cap_Inv

Type: Prod_2

Description: p.222 of Dynamics of Growth in a Finite World

Ind_Cap_Dep

Type: Division

Description: p.221 of Dynamics of Growth in a Finite World

Industrial_Output

Type: Industrial_Output

Description: p.216 of Dynamics of Growth in a Finite World

S_Ind_Cap_Out_Ratio

Type: S_Ind_Cap_Out_Ratio

Description: p.216 of Dynamics of Growth in a Finite World

P_Ind_Cap_Out_Ratio_2

Type: Prod_3

S_Avg_Life_Ind_Cap

Type: S_Avg_Life_Ind_Cap

Description: p.221 of Dynamics of Growth in a Finite World

Source1

Type: Source

Sink1

Type: Sink

FIOA_Ind

Type: FIOA_Ind

Description: p.223 of Dynamics of Growth in a Finite World

S_FIOA_Cons

Type: S_FIOA_Cons

Description: p.223 of Dynamics of Growth in a Finite World

S_FIOA_Cons_Const

Type: S_FIOA_Cons_Const

Description: p.223 of Dynamics of Growth in a Finite World

P_FIOA_Cons_Var

Type: Tabular

Description: p.225 of Dynamics of Growth in a Finite World

Gain1

Type: Gain

Ind_Out_PC

Type: Division

Description: p.214 of Dynamics of Growth in a Finite World

Cons_Ind_Out

Type: Prod_2

Cons_Ind_Out_PC

Type: Division

Used in Examples (11)

Scenario_11

SystemDynamics.WorldDynamics.World3

Influencing the future 10 years later

Scenario_10

SystemDynamics.WorldDynamics.World3

Influencing the future 20 years earlier

Scenario_9

SystemDynamics.WorldDynamics.World3

Combining the measures of Scenarios #6 and #8

Scenario_8

SystemDynamics.WorldDynamics.World3

More abundant non-recoverable natural resources, birth control, and stable industrial output

Scenario_7

SystemDynamics.WorldDynamics.World3

More abundant non-recoverable natural resources and birth control

Scenario_6

SystemDynamics.WorldDynamics.World3

More accessible non-recoverable natural resources, pollution control, land yield enhancement, erosion protection, and resource efficiency

Scenario_5

SystemDynamics.WorldDynamics.World3

More accessible non-recoverable natural resources, pollution control, land yield enhancement, and erosion protection

Scenario_4

SystemDynamics.WorldDynamics.World3

More accessible non-recoverable natural resources, pollution control, and land yield enhancement

Scenario_3

SystemDynamics.WorldDynamics.World3

More accessible non-recoverable natural resources and pollution control

Scenario_2

SystemDynamics.WorldDynamics.World3

More abundant non-recoverable natural resources

Scenario_1

SystemDynamics.WorldDynamics.World3

Original WORLD3 model