Balancing of Utility in Palmoil Supply chain model

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Syarif_hidayat_-_nov_2018_ Syarif Hidayat (Author)

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globals [
  
  

  
  gcounter
  gcounter2
  
  gupetani
  gupedagang
  gupabrcpo
  gupabrminygor
  gudistributor
  
  gw1_1petani
  gw2_1petani
  gw1_2petani
  gw2_2petani
  
  gw1_1pedagang
  gw2_1pedagang
  gw1_2pedagang
  gw2_2pedagang
  
  gw1_1pabrcpo
  gw2_1pabrcpo
  gw1_2pabrcpo
  gw2_2pabrcpo

  gw1_1pabrminygor
  gw2_1pabrminygor
  gw1_2pabrminygor
  gw2_2pabrminygor
  
  gw1_1distributor
  gw2_1distributor
  gw1_2distributor
  gw2_2distributor
  
  
  gformulayl1petani
  gformulayl1pedagang
  gformulayl1pabrcpo
  gformulayl1pabrminygor
  gformulayl1distributor
  
  gformulayl2petani
  gformulayl2pedagang
  gformulayl2pabrcpo
  gformulayl2pabrminygor
  gformulayl2distributor
  
  
  gntpetani
  gntpedagang
  gntpabrcpo
  gntpabrminygor
  gntdistributor
  
  gntriilpetani
  gntriilpedagang
  gntriilpabrcpo
  gntriilpabrminygor
  gntriildistributor
  
  
  
  gu_total
  gnt_total
  gntriil_total
  gselisih
  
  ]
        
turtles-own [
    
  risiko
  investasi
  u1
  u2
  formulayl1
  formulayl2
  nt
  ntriil
  alpha
  w1_1
  w1_2
  w2_1
  w2_2
  alphawx1
  alphawx2
  ]
 
breed [petani]
breed [pedagang]
breed [pabrik_cpo]
breed [pabrik_minygor]
breed [distributor]
breed [konsumen]

to do_setup
  clear-all

  if file-exists? "hasilutil.csv"
    [file-delete "hasilutil.csv"]
  
  file-open "hasilutil.csv"
  file-print 
  "W1_1PET,W2_1PET,FORMULAYL1PET,W2_2PET,W1_2PET,FORMULAYL2PET,SELISIHPET, W1_1PED,W2_1PED,FORMULAYL1PED,W2_2PED,W1_2PED,FORMULAYL2PED,SELISIHPED, W1_1CPO,W2_1CPO,FORMULAYL1CPO,W2_2CPO,W1_2CPO,FORMULAYL2CPO,SELISIHCPO, W1_1GOR,W2_1GOR,FORMULAYL1GOR,W2_2GOR,W1_2GOR,FORMULAYL2GOR,SELISIHGOR, W1_1IDIS,W2_1DIS,FORMULAYL1DIS,W2_2DIS,W1_2DIS,FORMULAYL2DIS,SELISIHDIS"
  file-close

  set gselisih 0  
  do_setup_patches
  do_setup_turtles
end 

to do_setup_patches
  ask patches 
    [ set pcolor green ]
end 

to do_setup_turtles
  set-default-shape petani "circle"
  create-petani 1
  [
    set color red
    ;setxy -10 0 
  ]
   
  set-default-shape pedagang "circle"
  create-pedagang 1
  [
    set color black
    ;setxy -5 0 
  ]
 
  
  set-default-shape pabrik_cpo "circle"
  create-pabrik_cpo 1
  [set color violet]
   
  set-default-shape pabrik_minygor "circle"
  create-pabrik_minygor 1
  [set color sky]
  
  set-default-shape distributor "circle"
  create-distributor 1
  [set color yellow]
  
  
  ;ask turtles [ 
  ;  setxy random-pxcor random-pycor]
end 

to do_go

  do_optimal
  
  tick
end 

to-report VARY [#low #high]
    ;; reports a random integer in given range, inclusive
   report #low + random(#high - #low + 1)
end  

to do_optimal
  set gcounter gcounter + 1

  ask turtle 0
    [
      ;biaya produksi petani
            
      ifelse gcounter > 1
        [
            if w1_1 < (1 - 0.001)
              [   
                set w1_1 w1_1 + 0.001 
              ]
              
            if w2_2 < (1 - 0.001)
              [   
                set w2_2 w2_2 + 0.001 
              ]
        ]
        [
            set risiko 0.355
            ;set investasi 0.49
            set investasi 0.00298
            set alpha 2
            ;w1 adalah bobot risiko  w2 investasi
            set w1_1 0.001 
            set w2_2 0.001
                       
        ]
      
      set w2_1 1 - w1_1
      ;gw1 global 
      set gw1_1petani w1_1
      set gw2_1petani w2_1
      set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
      ; u1 fungsi utility berdasar risiko sebelum dikalikan  alpha
      ; formulayl adalah fungsi utility  setelah dikalikan  alpha   
      ; formulayl = u * alpha
      set u1 exp(alphawx1)
      set formulayl1 u1 * alpha
      set gformulayl1petani formulayl1
      
      set w1_2 1 - w2_2
      set gw1_2petani w1_2
      set gw2_2petani w2_2
      set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
      set u2 exp(alphawx2)
      set formulayl2 u2 * alpha
      set gformulayl2petani formulayl2
                   
      set-current-plot "petani"
      set-current-plot-pen "Util-risk"
      plot formulayl1
      set-current-plot-pen "Util-inv"
      plot formulayl2
     
     
    ] 
    
  ask turtle 1
    [
      ;biaya produksi pedagang
      
      
      ifelse gcounter > 1
        [
            if w1_1 < (1 - 0.001)
              [   
                set w1_1 w1_1 + 0.001 
              ]
             
             if w2_2 < (1 - 0.001)
              [   
                set w2_2 w2_2 + 0.001 
              ]
        ]
        [
            set risiko 0.124
            set investasi 0.00854
            set alpha 2
            set w1_1 0.001
            set w2_2 0.001
            
            set ntriil 0.67
            set gntriilpedagang ntriil
            
        ]
      
      set w2_1 1 - w1_1
      set gw1_1pedagang w1_1
      set gw2_1pedagang w2_1
      set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
      set u1 exp(alphawx1)
      set formulayl1 u1 * alpha
      set gformulayl1pedagang formulayl1
      
      
      set w1_2 1 - w2_2
      set gw1_2pedagang w1_2
      set gw2_2pedagang w2_2
      set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
      set u2 exp(alphawx2)
      set formulayl2 u2 * alpha
      set gformulayl2pedagang formulayl2
      
      set-current-plot "Pengepul"
      set-current-plot-pen "Util-risk"
      plot formulayl1
      set-current-plot-pen "Util-inv"
      plot formulayl2
    ] 
    

  ;pabrcpo
  
  
 
  ask turtle 2 
    [
      ifelse gcounter > 1
        [
           if w1_1 < (1 - 0.001)
              [   
                 set w1_1 w1_1 + 0.001 
              ]
           if w2_2 < (1 - 0.001)
              [   
                 set w2_2 w2_2 + 0.001 
              ]
        ]
        [
            set risiko 0.224
            set investasi 0.39381
            set alpha 2
            set w1_1 0.1
            set w2_2 0.1
            
            ;set ntriil 1.35
            ;set gntriilpabrcpo ntriil
            ; instruksi ini sebetulnya tidak berperan karena tidak dipakai pada program
        ]
      
      set w2_1 1 - w1_1
      set gw1_1pabrcpo w1_1
      set gw2_1pabrcpo w2_1
      set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
      set u1 exp(alphawx1)
      set gupabrcpo u1
      set formulayl1 u1 * alpha
      set gformulayl1pabrcpo formulayl1
      
      set w1_2 1 - w2_2
      set gw1_2pabrcpo w1_2
      set gw2_2pabrcpo w2_2
      set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
      set u2 exp(alphawx2)
      set gupabrcpo u2
      set formulayl2 u2 * alpha
      set gformulayl2pabrcpo formulayl2
      
      set-current-plot "PKS"
      set-current-plot-pen "Util-risk"
      plot formulayl1
      set-current-plot-pen "Util-inv"
      plot formulayl2
    ]
    
   ;pabrcpo
  
  
 
  ask turtle 3 
    [
       ifelse gcounter > 1
        [
            if w1_1 < (1 - 0.001)
              [   
                 set w1_1 w1_1 + 0.001 
              ]
              
            if w2_2 < (1 - 0.001)
              [   
                set w2_2 w2_2 + 0.001 
              ]
        ]
        [
            set risiko 0.193
            set investasi 0.58575
            set alpha 2
            set w1_1 0.001
            set w2_2 0.001
            
            set ntriil 9.35
            set gntriilpabrminygor ntriil
        ]
      
      set w2_1 1 - w1_1
       set gw1_1pabrminygor w1_1
      set gw2_1pabrminygor w2_1
      set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
      set u1 exp(alphawx1)
      set formulayl1 u1 * alpha
      set gformulayl1pabrminygor formulayl1
      
      
      set w1_2 1 - w2_2
      set gw1_2pabrminygor w1_2
      set gw2_2pabrminygor w2_2
      set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
      set u2 exp(alphawx2)
      set formulayl2 u2 * alpha
      set gformulayl2pabrminygor formulayl2
      
      set-current-plot "Refinery"
      set-current-plot-pen "Util-risk"
      plot formulayl1
      set-current-plot-pen "Util-inv"
      plot formulayl2
    ]
    
  ask turtle 4 
    [
      ifelse gcounter > 1
        [
            if w1_1 < (1 - 0.001)
              [   
                 set w1_1 w1_1 + 0.001 
              ]
              
            if w2_2 < (1 - 0.001)
              [   
                set w2_2 w2_2 + 0.001 
              ]  
        ]
        [
            set risiko 0.103
            set investasi 0.00893
            set alpha 2
            set w1_1 0.001
            set w2_2 0.001
            ; sebetulnya ntriil nilai tambah riil tidak diapa-apakan dalam proses beirkutnya 
            set ntriil 0.42
            set gntriildistributor ntriil
        ]
      
      set w2_1 1 - w1_1
      set gw1_1distributor w1_1
      set gw2_1distributor w2_1
      set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
      set u1 exp(alphawx1)
      set formulayl1 u1 * alpha
      set gformulayl1distributor formulayl1
      
      
      set w1_2 1 - w2_2
      set gw1_2distributor w1_2
      set gw2_2distributor w2_2
      set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
      set u2 exp(alphawx2)
      set formulayl2 u2 * alpha
      set gformulayl2distributor formulayl2
      
      set-current-plot "distributor"
      set-current-plot-pen "Util-risk"
      plot formulayl1
      set-current-plot-pen "Util-inv"
      plot formulayl2
    ]
  
  file-open "hasilutil.csv"
  ; disini dihitung selisih-selisih utk mencari titik temu curva risiko dan curva investasi langsung di print di csv
  file-print (word gw1_1petani "," gw2_1petani "," gformulayl1petani "," gw2_2petani "," gw1_2petani "," gformulayl2petani "," (gformulayl1petani - gformulayl2petani) "," gw1_1pedagang "," gw2_1pedagang "," gformulayl1pedagang "," gw2_2pedagang "," gw1_2pedagang "," gformulayl2pedagang "," (gformulayl1pedagang - gformulayl2pedagang) "," gw1_1pabrcpo "," gw2_1pabrcpo "," gformulayl1pabrcpo "," gw2_2pabrcpo "," gw1_2pabrcpo "," gformulayl2pabrcpo "," (gformulayl1pabrcpo - gformulayl2pabrcpo) "," gw1_1pabrminygor "," gw2_1pabrminygor "," gformulayl1pabrminygor "," gw2_2pabrminygor "," gw1_2pabrminygor "," gformulayl2pabrminygor "," (gformulayl1pabrminygor - gformulayl2pabrminygor) "," gw1_1distributor "," gw2_1distributor "," gformulayl1distributor "," gw2_2distributor "," gw1_2distributor "," gformulayl2distributor "," (gformulayl1distributor - gformulayl2distributor))
  file-close 
end 


There is only one version of this model, created 2 months ago by Syarif Hidayat.

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