{UTF-8}
relative attractiveness to immigrate=
	(avg salary immigrants/normal salary immigrants)/(REU price/subsidy)
	~	Dmnl
	~		|

subsidy=
	960
	~	dollar/real estate unit
	~		|

workforce emigration=
	MAX((immigrants-labour demand)/avg emigration time,0)
	~	person/Month
	~	+ MAX(exogenous emigration/avg emigration time,0)
	|

REU price=
	normal cost REU*REU shortage price effect(REU shortage)
	~	dollar/real estate unit
	~		|

REU under construction= INTEG (
	new REU plans approved-REU commissioning,
		immigrants/workers per REU under construction)
	~	real estate unit
	~		|

labour shortage=
	labour demand/immigrants
	~	Dmnl
	~		|

REU shortage price effect(
	[(0,0)-(100,25)],(0,0.6),(10,4),(50,7.5),(100,10))
	~	Dmnl
	~		|

avg REU approval time=
	1
	~	Month
	~		|

avg emigration time=
	1
	~	Month
	~		|

avg immigration time=
	1
	~	Month
	~		|

avg lifetime REU=
	500
	~	Month
	~		|

avg salary immigrants=
	normal salary immigrants*labour shortage
	~	dollar/person/Month
	~		|

Al Maktoum exogenous investment rate=
	0.01
	~	Dmnl
	~	-STEP(0.01,10)
	|

expected new REU due to immigration=
	(immigrants - immigrants previous period)*immigration multiplication factor
	~	real estate unit
	~		|

expected REU shortage=
	REU demand-REU supply-REU under construction + expected new REU due to immigration
	~	real estate unit
	~		|

immigrants= INTEG (
	workforce immigration-workforce emigration-immigrant integration,
		2e+006)
	~	person
	~		|

immigrants previous period=
	DELAY FIXED(immigrants, 1, immigrants)
	~	person
	~		|

workforce immigration=
	MAX(relative attractiveness to immigrate*immigrants/avg immigration time,0)
	~	person/Month
	~	+MIN((labour demand-immigrants)/avg emigration time,0)   relative \
		attractiveness to immigrate*immigrants/avg immigration time
	|

immigration multiplication factor=
	1
	~	real estate unit/person
	~		|

immigrant integration=
	immigrants*immigrant integration rate
	~	person/Month
	~		|

immigrant integration rate=
	0.001
	~	1/Month
	~		|

labour demand=
	workers per REU under construction*REU under construction
	~	person
	~	number of workers per real estate unit under construction*real estate units under \
		construction*normal reu construction time
		/real estate unit construction time
	|

locals= INTEG (
	immigrant integration,
		220000)
	~	person
	~		|

new REU plans approved=
	MAX(expected REU shortage/avg REU approval time,0) + Al Maktoum exogenous investment rate\
		*REU supply/avg REU approval time
	~	real estate unit/Month
	~		|

normal cost REU=
	50000 + avg salary immigrants*REU construction time*workers per REU under construction
	~	dollar/real estate unit
	~		|

normal salary immigrants=
	1000
	~	dollar/person/Month
	~		|

REU supply= INTEG (
	REU commissioning-REU demolition,
		1.8e+006)
	~	real estate unit
	~		|

REU shortage=
	REU demand/REU supply
	~	Dmnl
	~		|

REU commissioning=
	MIN(immigrants/workers per REU under construction,REU under construction)/REU construction time
	~	real estate unit/Month
	~	MIN(real estate units under construction/real estate unit construction \
		time,MAX(0,buffer))
	|

REU construction time=
	3
	~	Month
	~		|

REU demand=
	(immigrants+locals)*REU demand per person
	~	real estate unit
	~		|

REU demand per person= WITH LOOKUP (
	Time,
		([(0,0)-(2000,10)],(0,1),(240,2)))
	~	real estate unit/person
	~		|

REU demolition=
	REU supply/avg lifetime REU
	~	real estate unit/Month
	~		|

workers per REU under construction=
	25
	~	person/real estate unit
	~		|

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

FINAL TIME  = 240
	~	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  = 0.0625
	~	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,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0
10,1,REU supply,634,176,40,20,3,3,0,0,0,0,0,0
10,2,locals,745,614,40,20,3,3,0,0,0,0,0,0
10,3,immigrants,560,613,40,20,3,3,0,0,0,0,0,0
10,4,REU demand,706,426,43,11,8,3,0,0,0,0,0,0
1,5,2,4,1,0,0,0,0,64,0,-1--1--1,,1|(747,515)|
1,6,3,4,1,0,0,0,0,64,0,-1--1--1,,1|(611,578)|
10,7,REU under construction,411,175,40,20,3,3,0,2,0,0,0,0,-1--1--1,0-0-0,|0||255-0-0
1,8,10,1,4,0,0,22,0,0,0,-1--1--1,,1|(567,176)|
1,9,10,7,100,0,0,22,0,0,0,-1--1--1,,1|(489,176)|
11,10,444,534,176,6,8,34,3,0,0,1,0,0,0
10,11,REU commissioning,534,203,46,19,40,3,0,0,-1,0,0,0
10,12,avg salary immigrants,277,428,34,19,8,3,0,0,0,0,0,0
12,13,48,393,605,10,8,0,3,0,0,-1,0,0,0
1,14,16,3,4,0,0,22,0,0,0,-1--1--1,,1|(489,606)|
1,15,16,13,100,0,0,22,0,0,0,-1--1--1,,1|(424,606)|
11,16,48,452,606,6,8,34,3,0,0,1,0,0,0
10,17,workforce immigration,452,633,37,19,40,131,0,0,-1,0,0,0
10,18,labour demand,225,337,47,11,8,3,0,0,0,0,0,0
10,19,workers per REU under construction,388,263,59,19,8,3,0,2,0,0,0,0,0-0-0,0-0-0,|12||128-128-128
1,20,7,18,1,0,0,0,0,64,0,-1--1--1,,1|(316,238)|
1,21,19,18,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(304,301)|
10,22,labour shortage,219,592,28,17,8,131,0,0,0,0,0,0
10,23,REU demand per person,870,474,56,19,8,3,0,0,0,0,0,0
1,24,23,4,0,0,0,0,0,64,0,-1--1--1,,1|(785,449)|
1,25,18,22,1,0,0,0,0,64,0,-1--1--1,,1|(189,469)|
12,26,48,210,175,10,8,0,3,0,0,-1,0,0,0
1,27,29,7,4,0,0,22,0,0,0,-1--1--1,,1|(339,175)|
1,28,29,26,100,0,0,22,0,0,0,-1--1--1,,1|(257,175)|
11,29,48,301,175,6,8,34,3,0,0,1,0,0,0
10,30,new REU plans approved,301,202,50,19,40,3,0,0,-1,0,0,0
12,31,48,857,176,10,8,0,3,0,0,-1,0,0,0
1,32,34,31,4,0,0,22,0,0,0,-1--1--1,,1|(800,175)|
1,33,34,1,100,0,0,22,0,0,0,-1--1--1,,1|(708,175)|
11,34,48,748,175,6,8,34,3,0,0,1,0,0,0
10,35,REU demolition,748,202,50,11,40,3,0,0,-1,0,0,0
1,36,1,34,1,0,0,0,0,64,0,-1--1--1,,1|(723,148)|
10,37,avg lifetime REU,761,113,53,11,8,3,0,0,0,0,0,0
10,38,relative attractiveness to immigrate,477,476,44,23,8,131,0,0,0,0,0,0
1,39,3,22,1,0,0,0,0,64,0,-1--1--1,,1|(291,642)|
10,40,normal salary immigrants,339,503,43,19,8,3,0,2,0,0,0,0,0-0-0,0-0-0,|12||128-128-128
1,41,40,12,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(312,470)|
1,42,37,34,0,0,0,0,0,64,0,-1--1--1,,1|(755,139)|
10,43,expected REU shortage,108,129,47,19,8,3,0,0,0,0,0,0
1,44,43,30,1,0,0,0,0,64,0,-1--1--1,,1|(188,195)|
1,45,1,43,1,0,0,0,0,64,0,-1--1--1,,1|(470,51)|
1,46,7,43,1,0,0,0,0,64,0,-1--1--1,,1|(305,97)|
1,47,22,12,1,0,0,0,0,64,0,-1--1--1,,1|(223,513)|
10,48,REU shortage,707,322,45,11,8,3,0,0,0,0,0,0
1,49,1,48,1,0,0,0,0,64,0,-1--1--1,,1|(667,211)|
1,50,4,48,1,0,0,0,0,64,0,-1--1--1,,1|(713,368)|
10,51,avg REU approval time,130,247,44,19,8,3,0,0,0,0,0,0
1,52,51,30,0,0,0,0,0,64,0,-1--1--1,,1|(205,227)|
1,53,38,16,1,0,0,0,0,64,0,-1--1--1,,1|(480,547)|
1,54,3,17,0,0,0,0,0,64,0,-1--1--1,,1|(511,621)|
10,55,avg immigration time,378,566,38,23,8,131,0,2,0,0,0,0,0-0-0,0-0-0,|12||255-0-0
1,56,55,16,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(424,591)|
10,57,avg emigration time,807,700,46,19,8,3,0,0,0,0,0,0
10,58,expected new REU due to immigration,123,619,62,19,8,3,0,0,0,0,0,0
1,59,58,43,1,0,0,0,0,64,0,-1--1--1,,1|(32,263)|
10,60,REU demand,93,67,52,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
1,61,60,43,0,0,0,0,0,64,0,-1--1--1,,1|(97,87)|
10,62,immigration multiplication factor,98,716,62,19,8,3,0,0,0,0,0,0
1,63,62,58,0,0,0,0,0,64,0,-1--1--1,,1|(108,674)|
10,64,REU price,463,412,34,11,8,3,0,0,0,0,0,0
1,65,48,64,0,0,0,0,0,64,0,-1--1--1,,1|(591,364)|
10,66,normal cost REU,379,369,54,11,8,3,0,0,0,0,0,0
1,67,3,58,1,0,0,0,0,64,0,-1--1--1,,1|(338,733)|
10,68,immigrants previous period,312,787,50,19,8,3,0,0,0,0,0,0
1,69,3,68,1,0,0,0,0,64,0,-1--1--1,,1|(472,755)|
1,70,68,58,1,0,0,0,0,64,0,-1--1--1,,1|(185,727)|
1,71,3,11,1,0,0,0,0,64,0,-1--1--1,,1|(645,386)|
1,72,19,11,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(454,235)|
10,73,REU construction time,487,304,57,19,8,3,0,2,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128
1,74,7,10,1,0,0,0,0,64,0,-1--1--1,,1|(496,138)|
10,75,Al Maktoum exogenous investment rate,247,128,69,28,8,3,0,4,0,0,0,0,0-0-0,255-255-0,|12||0-0-0
1,76,75,29,0,0,0,0,0,64,0,-1--1--1,,1|(282,158)|
1,77,1,29,1,0,0,0,0,64,0,-1--1--1,,1|(447,99)|
1,78,73,11,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(506,259)|
1,79,66,64,1,0,0,0,0,64,0,-1--1--1,,1|(423,372)|
12,80,48,579,724,10,8,0,3,0,0,-1,0,0,0
1,81,83,80,4,0,0,22,0,0,0,-1--1--1,,1|(579,702)|
1,82,83,3,100,0,0,22,0,0,0,-1--1--1,,1|(579,655)|
11,83,48,579,683,8,6,33,3,0,0,4,0,0,0
10,84,workforce emigration,621,683,34,19,40,3,0,0,-1,0,0,0
1,85,57,84,0,0,0,0,0,64,0,-1--1--1,,1|(714,691)|
1,86,3,84,0,0,0,0,0,64,0,-1--1--1,,1|(585,643)|
10,87,labour demand,650,785,56,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
1,88,87,84,0,0,0,0,0,64,0,-1--1--1,,1|(638,744)|
1,89,19,66,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(383,313)|
1,90,12,66,1,0,0,0,0,64,0,-1--1--1,,1|(311,383)|
1,91,73,66,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(432,336)|
1,92,64,38,1,0,0,0,0,64,0,-1--1--1,,1|(468,440)|
1,93,95,2,4,0,0,22,0,0,0,-1--1--1,,1|(682,612)|
1,94,95,3,100,0,0,22,0,0,0,-1--1--1,,1|(624,612)|
11,95,188,654,612,6,8,34,3,0,0,1,0,0,0
10,96,immigrant integration,654,639,33,19,40,3,0,0,-1,0,0,0
1,97,3,95,1,0,0,0,0,64,0,-1--1--1,,1|(633,592)|
10,98,immigrant integration rate,665,566,47,19,8,3,0,0,0,0,0,0
1,99,98,95,0,0,0,0,0,64,0,-1--1--1,,1|(659,588)|
1,100,3,7,0,0,0,0,0,64,1,-1--1--1,,1|(487,400)|
1,101,19,7,0,0,0,0,0,64,1,-1--1--1,,1|(396,226)|
10,102,Time,970,550,26,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
1,103,102,23,0,0,0,0,0,64,0,-1--1--1,,1|(931,520)|
10,104,REU shortage price effect,511,355,45,19,8,3,0,2,0,0,0,0,0-0-0,0-0-0,|12||128-128-128
1,105,104,64,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(488,382)|
1,106,12,38,1,0,0,0,0,64,0,-1--1--1,,1|(369,402)|
1,107,40,38,0,0,0,0,1,64,0,128-128-128,|12||0-0-0,1|(400,490)|
10,108,subsidy,565,444,25,11,8,3,0,0,0,0,0,0
1,109,108,38,0,0,0,0,0,64,0,-1--1--1,,1|(537,454)|
///---\\\
:L<%^E!@
1:O:\00_E-BOOK-SD\1_Models\EPA1321Exam25102010modelDUBAI\ExamQuestion5cEP0001.vdf
1:O:\00_E-BOOK-SD\1_Models\EPA1321Exam25102010modelDUBAI\Exam1.vdf
9:ExamQuestion5cEP0001
22:$,Dollar,Dollars,$s
22:Day,Days
22:Hour,Hours
22:Month,Months
22:Person,People,Persons
22:Unit,Units
22:Week,Weeks
22:Year,Years
15:0,0,0,5,0,0
19:100,0
27:2,
34:0,
4:Time
5:REU demand per person
35:Date
36:YYYY-MM-DD
37:2000
38:1
39:1
40:2
41:0
42:0
24:0
25:240
26:240