{UTF-8}
Land fraction occupied=
	(Business structures*Land per business)/Area
	~	dimensionless
	~		|

Business Construction Fraction=
	BCN*Business Laborforce multiplier*Business land multiplier
	~	1/year
	~		|

Inmigration=
	Inmigration fraction*Population
	~	people/year
	~		|

Inmigration fraction=
	IMN*Attractiveness of jobs
	~	1/year
	~		|

Business construction=
	Business Construction Fraction*Business structures
	~	structure/year
	~		|

PPG Percent Pop Growth = (Births-Deaths+Inmigration-Outmigration)/Population
	~	1/year
	~		|

Area = 1000
	~	acre
	~		|

Attractiveness of jobs= WITH LOOKUP (
	Labor to job ratio,
		([(0,0)-(2,2)],(0,2),(0.2,1.95),(0.4,1.8),(0.6,1.6),(0.8,1.35)
		,(1,1),(1.2,0.5),(1.4,0.3),(1.6,0.2),(1.8,0.15),(2,0.1)))
	~	dimensionless
	~		|

BCN = 0.07
	~	1/year
	~		|

BDN = 0.025
	~	1/year
	~		|

Births = BN*Population
	~	people/year
	~		|

Business Laborforce multiplier= WITH LOOKUP (
	Labor to job ratio,
		([(0,0)-(2,2)],(0,0.2),(0.2,0.25),(0.4,0.35),(0.6,0.5),(0.8,0.7)
		,(1,1),(1.2,1.35),(1.4,1.6),(1.6,1.8),(1.8,1.95),(2,2)))
	~	dimensionless
	~		|

BN = 0.03
	~	1/year
	~		|

Business demolition = BDN*Business structures
	~	structure/year
	~		|

Business land multiplier= WITH LOOKUP (
	Land fraction occupied,
		([(0,0)-(1,2)],(0,1),(0.1,1.15),(0.2,1.3),(0.3,1.4),(0.4,1.45)
		,(0.5,1.4),(0.6,1.3),(0.7,0.9),(0.8,0.5),(0.9,0.25),(1,0)))
	~	dimensionless
	~		|

Business structures = INTEG(Business construction-Business demolition,1000)
	~	structure
	~		|

Deaths = DN*Population
	~	people/year
	~		|

DN = 0.015
	~	1/year
	~		|

IMN = 0.1
	~	1/year
	~		|

Jobs = JPBS*Business structures
	~	job
	~		|

JPBS = 18
	~	job/structure
	~		|

Labor force = Labor participation fraction*Population
	~	people
	~		|

Labor participation fraction = 0.35
	~	dimensionless
	~		|

Labor to job ratio = Labor force/Jobs
	~	people/job
	~		|

Land per business = 0.2
	~	acre/structure
	~		|

OMN = 0.07
	~	1/year
	~		|

Outmigration = OMN*Population
	~	people/year
	~		|

Population = INTEG(Births+Inmigration-Deaths-Outmigration,50000)
	~	people
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Paramaters
	|

FINAL TIME  = 60
	~	year
	~	The final time for the simulation.
	|

INITIAL TIME  = 0
	~	year
	~	The initial time for the simulation.
	|

SAVEPER  = 
        TIME STEP
	~	year
	~	The frequency with which output is stored.
	|

TIME STEP  = 0.5
	~	year
	~	The time step for the simulation.
	|

\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*View 1
$192-192-192,0,Comic Sans MS|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0
10,1,Business structures,554,152,69,28,3,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
12,2,48,355,152,10,8,0,3,0,34,-1,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
11,3,48,413,151,8,11,34,3,0,0,1,0,0,0
10,4,Business construction,413,185,48,23,40,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,5,BCN,186,300,19,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,6,Business land multiplier,306,81,50,23,8,3,0,32,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,7,Land fraction occupied,501,54,53,23,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,8,Area,378,21,20,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,9,Land per business,637,86,34,23,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
12,10,48,754,148,10,8,0,3,0,34,-1,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
11,11,48,670,147,8,11,34,3,0,0,1,0,0,0
10,12,Business demolition,670,181,40,23,40,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,13,BDN,695,240,20,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,14,Population,499,505,53,27,3,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
12,15,48,295,496,10,8,0,3,0,34,-1,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
11,16,48,353,496,8,11,34,3,0,0,1,0,0,0
10,17,Inmigration,353,520,45,13,40,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
12,18,48,717,502,10,8,0,3,0,34,-1,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
11,19,48,633,503,8,11,34,3,0,0,1,0,0,0
10,20,Outmigration,633,527,50,13,40,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
12,21,48,470,641,10,8,0,3,0,34,-1,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
11,22,48,473,595,11,8,33,3,0,0,2,0,0,0
10,23,Births,437,595,25,13,40,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
12,24,48,509,652,10,8,0,3,0,34,-1,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
11,25,48,509,585,11,8,33,3,0,0,4,0,0,0
10,26,Deaths,547,585,27,13,40,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,27,IMN,191,526,21,13,0,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,28,OMN,703,599,23,13,0,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,29,BN,367,635,14,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,30,DN,627,627,15,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,31,Labor force,486,410,46,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,32,Jobs,506,278,20,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,33,JPBS,629,254,22,13,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,34,Labor to job ratio,407,338,49,23,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,35,Attractiveness of jobs,274,372,68,23,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,36,Business Laborforce multiplier,298,274,78,23,8,3,0,32,0,0,0,0,0-0-0,0-0-0,Comic Sans MS|12||0-0-0
10,37,Labor participation fraction,626,369,75,23,8,3,0,34,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,38,PPG Percent Pop Growth,407,792,62,23,8,3,0,32,0,0,0,0,-1--1--1,0-0-0,Comic Sans MS|14||0-0-0
10,39,Population,309,721,46,13,8,2,0,35,0,0,0,0,128-128-128,0-0-0,Comic Sans MS|14||0-0-0
10,40,Inmigration,286,829,51,13,8,2,0,35,0,0,0,0,128-128-128,0-0-0,Comic Sans MS|14||0-0-0
10,41,Outmigration,543,838,57,13,8,2,0,33,0,0,0,0,128-128-128,0-0-0,Comic Sans MS|14||0-0-0
10,42,Births,569,773,31,13,8,2,0,35,0,0,0,0,128-128-128,0-0-0,Comic Sans MS|14||0-0-0
10,43,Deaths,470,721,34,13,8,2,0,35,0,0,0,0,128-128-128,0-0-0,Comic Sans MS|14||0-0-0
1,44,3,1,4,0,0,22,0,0,0,-1--1--1,,1|(453,151)|
1,45,3,2,100,0,0,22,0,0,0,-1--1--1,,1|(385,151)|
1,46,1,7,1,0,0,0,0,0,0,-1--1--1,,1|(538,120)|
1,47,7,6,1,0,0,0,0,0,0,-1--1--1,,1|(389,50)|
1,48,9,7,0,0,0,0,0,0,0,-1--1--1,,1|(585,73)|
1,49,8,7,0,0,0,0,0,0,0,-1--1--1,,1|(415,30)|
1,50,1,4,1,0,0,0,0,0,0,-1--1--1,,1|(503,201)|
1,51,11,10,4,0,0,22,0,0,0,-1--1--1,,1|(711,147)|
1,52,11,1,100,0,0,22,0,0,0,-1--1--1,,1|(642,147)|
1,53,1,12,1,0,0,0,0,0,0,-1--1--1,,1|(618,204)|
1,54,13,12,0,0,0,0,0,0,0,-1--1--1,,1|(687,222)|
1,55,16,14,4,0,0,22,0,0,0,-1--1--1,,1|(403,496)|
1,56,16,15,100,0,0,22,0,0,0,-1--1--1,,1|(325,496)|
1,57,19,18,4,0,0,22,0,0,0,-1--1--1,,1|(674,503)|
1,58,19,14,100,0,0,22,0,0,0,-1--1--1,,1|(588,503)|
1,59,22,14,4,0,0,22,0,0,0,-1--1--1,,1|(473,559)|
1,60,22,21,100,0,0,22,0,0,0,-1--1--1,,1|(473,618)|
1,61,25,24,4,0,0,22,0,0,0,-1--1--1,,1|(509,618)|
1,62,25,14,100,0,0,22,0,0,0,-1--1--1,,1|(509,554)|
1,63,14,23,1,0,0,0,0,0,0,-1--1--1,,1|(433,532)|
1,64,14,26,1,0,0,0,0,0,0,-1--1--1,,1|(575,553)|
1,65,14,16,2,0,0,0,0,0,0,-1--1--1,,1|(413,464)|
1,66,14,19,2,0,0,0,0,0,0,-1--1--1,,1|(570,464)|
1,67,28,20,0,0,0,0,0,0,0,-1--1--1,,1|(672,568)|
1,68,29,23,0,0,0,0,0,0,0,-1--1--1,,1|(391,620)|
1,69,30,26,0,0,0,0,0,0,0,-1--1--1,,1|(597,612)|
1,70,14,31,1,0,0,0,0,0,0,-1--1--1,,1|(489,470)|
1,71,1,32,1,0,0,0,0,0,0,-1--1--1,,1|(549,216)|
1,72,32,34,1,0,0,0,0,0,0,-1--1--1,,1|(471,302)|
1,73,31,34,0,0,0,0,0,0,0,-1--1--1,,1|(457,384)|
1,74,33,32,0,0,0,0,0,0,0,-1--1--1,,1|(572,264)|
1,75,34,36,1,0,0,0,0,0,0,-1--1--1,,1|(362,324)|
1,76,34,35,1,0,0,0,0,0,0,-1--1--1,,1|(325,345)|
1,77,37,31,0,0,0,0,0,0,0,-1--1--1,,1|(547,391)|
1,78,39,38,0,0,0,0,0,0,0,-1--1--1,,1|(344,747)|
1,79,43,38,0,0,0,0,0,0,0,-1--1--1,,1|(447,746)|
1,80,42,38,0,0,0,0,0,0,0,-1--1--1,,1|(509,779)|
1,81,41,38,0,0,0,0,0,0,0,-1--1--1,,1|(493,821)|
1,82,40,38,0,0,0,0,0,0,0,-1--1--1,,1|(329,815)|
10,83,Business Construction Fraction,254,193,83,23,8,3,0,32,0,0,0,0,0-0-0,0-0-0,Comic Sans MS|12||0-0-0
1,84,6,83,1,0,0,0,0,64,0,-1--1--1,,1|(258,137)|
1,85,36,83,1,0,0,0,0,64,0,-1--1--1,,1|(267,233)|
1,86,5,83,0,0,0,0,0,64,0,-1--1--1,,1|(212,257)|
1,87,83,4,0,0,0,0,0,64,0,-1--1--1,,1|(344,188)|
10,88,Inmigration fraction,227,448,45,23,8,3,0,32,0,0,0,0,0-0-0,0-0-0,Comic Sans MS|12||0-0-0
1,89,35,88,1,0,0,0,0,64,0,-1--1--1,,1|(255,389)|
1,90,27,88,0,0,0,0,0,64,0,-1--1--1,,1|(203,498)|
1,91,88,17,1,0,0,0,0,64,0,-1--1--1,,1|(247,497)|
///---\\\
:GRAPH POPBSN_graph
:TITLE POPBSN graph
:X-DIV 6
:SCALE
:VAR Business structures
:LINE-WIDTH 2
:SCALE
:VAR Population
:LINE-WIDTH 2
:SCALE
:VAR Land fraction occupied
:LINE-WIDTH 2
:SCALE
:VAR Labor to job ratio
:LINE-WIDTH 2
:SCALE
:VAR PPG Percent Pop Growth
:LINE-WIDTH 2

:GRAPH Labor_vs_Jobs
:TITLE Labor vs Jobs
:X-AXIS Jobs
:SCALE
:VAR Labor force
:LINE-WIDTH 2
:L<%^E!@
1:POPBSN base.vdf
1:BCN higher.vdf
1:BCN lower.vdf
1:BDN higher.vdf
1:BDN lower.vdf
1:JPBS higher.vdf
1:JPBS lower.vdf
1:LPF higher.vdf
1:LPF lower.vdf
9:BCN lower
23:0
15:0,0,0,0,0,0
19:100,0
27:2,
34:0,
4:Time
5:Labor to job ratio
24:0
25:60
26:60