{UTF-8}
revenues from sales=
	offspring produced*(market price*marketing plan effectiveness)
	~	$/Month
	~		|

marketing plan effectiveness=
	1.05
	~	
	~		|

efficiency measure effect on cost of production= WITH LOOKUP (
	investments in efficiency,
		([(0,-0.4)-(1e+006,10)],(0,0),(1e+006,-0.25) ))
	~	
	~		|

costs of production=
	herd size*(costs per head*(1+efficiency measure effect on cost of production))
	~	$/Month
	~		|

investment rate=
	0.0042
	~	
	~		|

investments in efficiency= INTEG (
	investments in herd efficiency,
		0)
	~	
	~	0
	|

investments in herd efficiency=
	investment rate*Returns
	~	
	~		|

Returns= INTEG (
	revenues from sales-costs of production-investments in herd efficiency,
		0)
	~	$
	~		|

birth and weaning percentage=
	0.9
	~	Dmnl
	~		|

costs per head=
	450
	~	$/(Month*head)
	~		|

culling and marketing=
	herd size/useful life
	~	head/Month
	~		|

herd size= INTEG (
	replacements-culling and marketing,
		100)
	~	head
	~		|

market price= WITH LOOKUP (
	Time,
		([(0,200)-(120,800)],(0,500),(10.2752,585.965),(22.0183,647.368),(38.1651,654.386),\
		(54.3119,624.561),(59.8165,519.298),(71.9266,447.368),(83.3027,414.035),(95.4128,391.228\
		),(112.294,422.807),(120,500) ))
	~	$/head/Month
	~		|

natural replacement rate=
	0.0119045
	~	1/Month
	~	14% per year (or 0.1428)
	|

Net rate of return=
	revenues from sales-costs of production
	~	
	~		|

offspring produced=
	herd size*birth and weaning percentage
	~	head
	~		|

profit effect on retention decisions= WITH LOOKUP (
	Net rate of return,
		([(-20000,-0.02)-(20000,0.02)],(-20000,-0.012),(0,0),(20000,0.012) ))
	~	1/Month
	~		|

replacements=
	herd size*(natural replacement rate+profit effect on retention decisions)
	~	head/Month
	~		|

useful life=
	84
	~	Month
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Parameters
	|

FINAL TIME  = 120
	~	Month
	~	The final time for the simulation.
	|

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

SAVEPER  = 
        TIME STEP
	~	Month [0,?]
	~	The frequency with which output is stored.
	|

TIME STEP  = 1
	~	Month [0,?]
	~	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,@Arial Unicode MS|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0
10,1,herd size,325,119,40,20,3,3,0,0,0,0,0,0
12,2,48,95,118,10,8,0,3,0,0,-1,0,0,0
1,3,5,1,4,0,0,22,0,0,0,-1--1--1,,1|(243,118)|
1,4,5,2,100,0,0,22,0,0,0,-1--1--1,,1|(147,118)|
11,5,48,195,118,6,8,34,3,0,0,1,0,0,0
10,6,replacements,195,137,50,12,40,3,0,0,-1,0,0,0
12,7,48,583,119,10,8,0,3,0,0,-1,0,0,0
1,8,10,7,4,0,0,22,0,0,0,-1--1--1,,1|(525,119)|
1,9,10,1,100,0,0,22,0,0,0,-1--1--1,,1|(415,119)|
11,10,48,472,119,6,8,34,3,0,0,1,0,0,0
10,11,culling and marketing,472,146,40,21,40,3,0,0,-1,0,0,0
10,12,offspring produced,513,228,36,21,8,3,0,0,0,0,0,0
10,13,birth and weaning percentage,664,178,66,21,8,3,0,0,0,0,0,0
10,14,useful life,509,36,28,24,8,131,0,0,0,0,0,0
10,15,natural replacement rate,156,39,62,21,8,3,0,0,0,0,0,0
1,16,15,5,0,0,0,0,0,64,0,-1--1--1,,1|(175,79)|
1,17,1,6,1,0,0,0,0,64,0,-1--1--1,,1|(279,170)|
1,18,1,10,1,0,0,0,0,64,0,-1--1--1,,1|(386,73)|
1,19,14,10,0,0,0,0,0,64,0,-1--1--1,,1|(489,80)|
1,20,1,12,1,0,0,0,0,64,0,-1--1--1,,1|(425,166)|
1,21,13,12,0,0,0,0,0,64,0,-1--1--1,,1|(581,205)|
10,22,Returns,444,382,40,20,3,3,0,0,0,0,0,0
12,23,48,661,379,10,8,0,3,0,0,-1,0,0,0
1,24,26,22,4,0,0,22,0,0,0,-1--1--1,,1|(522,379)|
1,25,26,23,100,0,0,22,0,0,0,-1--1--1,,1|(612,379)|
11,26,48,567,379,6,8,34,3,0,0,1,0,0,0
10,27,revenues from sales,567,408,54,21,40,3,0,0,-1,0,0,0
10,28,market price,617,481,45,12,8,3,0,0,0,0,0,0
1,29,12,26,1,0,0,0,0,64,0,-1--1--1,,1|(565,297)|
1,30,28,27,0,0,0,0,0,64,0,-1--1--1,,1|(599,454)|
10,31,Time,660,523,29,12,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
1,32,31,28,0,0,0,0,0,64,0,-1--1--1,,1|(643,506)|
12,33,48,209,381,10,8,0,3,0,0,-1,0,0,0
1,34,36,33,4,0,0,22,0,0,0,-1--1--1,,1|(262,381)|
1,35,36,22,100,0,0,22,0,0,0,-1--1--1,,1|(360,381)|
11,36,48,311,381,6,8,34,3,0,0,1,0,0,0
10,37,costs of production,311,410,40,21,40,3,0,0,-1,0,0,0
10,38,costs per head,412,313,41,24,8,131,0,0,0,0,0,0
1,39,1,36,1,0,0,0,0,64,0,-1--1--1,,1|(363,250)|
1,40,38,36,0,0,0,0,0,64,0,-1--1--1,,1|(351,353)|
10,41,profit effect on retention decisions,119,335,69,21,8,3,0,0,0,0,0,0
1,42,41,6,1,0,0,0,0,64,0,-1--1--1,,1|(123,233)|
10,43,Net rate of return,346,490,39,21,8,3,0,0,0,0,0,0
1,44,27,43,0,0,0,0,0,64,0,-1--1--1,,1|(455,449)|
1,45,37,43,0,0,0,0,0,64,0,-1--1--1,,1|(325,443)|
1,46,43,41,1,0,0,0,0,64,0,-1--1--1,,1|(194,445)|
12,47,0,915,147,186,150,3,188,0,0,2,0,0,0
herd size,Graph
12,48,0,915,451,186,149,3,188,0,0,2,0,0,0
Returns,Graph
10,49,investments in efficiency,448,531,44,22,3,131,0,0,0,0,0,0
1,50,52,49,4,0,0,22,0,0,0,-1--1--1,,1|(443,495)|
1,51,52,22,100,0,0,22,0,0,0,-1--1--1,,1|(443,435)|
11,52,252,443,475,8,6,33,3,0,0,4,0,0,0
10,53,investments in herd efficiency,523,475,72,21,40,3,0,0,-1,0,0,0
10,54,investment rate,565,548,56,12,8,3,0,0,0,0,0,0
1,55,54,53,0,0,0,0,0,64,0,-1--1--1,,1|(550,522)|
1,56,22,53,0,0,0,0,0,64,0,-1--1--1,,1|(477,422)|
10,57,efficiency measure effect on cost of production,159,539,69,31,8,3,0,0,0,0,0,0
1,58,49,57,0,0,0,0,0,64,0,-1--1--1,,1|(322,534)|
1,59,57,37,0,0,0,0,0,64,0,-1--1--1,,1|(235,474)|
10,60,marketing plan effectiveness,660,317,55,21,8,3,0,0,0,0,0,0
1,61,60,27,0,0,0,0,0,64,0,-1--1--1,,1|(618,357)|
///---\\\
:L<%^E!@
1:Current with intervention B.vdf
1:Current with intervention A.vdf
1:Current with new structure.vdf
1:Current.vdf
9:Current with intervention B
22:$,Dollar,Dollars,$s
22:cfs
22:Day,Days
22:head
22:head/month
22:Hour,Hours
22:Month,Months
22:percent
22:Person,People,Persons
22:tons
22:tons/month
22:Unit,Units
22:Week,Weeks
22:Year,Years
22:tons/head/month
15:0,0,0,0,0,0
19:100,0
27:2,
34:0,
4:Time
5:profit effect on retention decisions
35:Date
36:YYYY-MM-DD
37:2000
38:1
39:1
40:2
41:0
24:0
25:120
26:120