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.urban-water-security-v1.tmp.nlogo
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breed [residents resident]
residents-own [
income ; agents received a unique but fixed income per household
infrastructure ; the performance of infrastructure is a function of public and private infrastructure
private-infrastructure ; private infrastructure of the household
damage ; absolute level of infrastructure dependent on the market value of the property and the level of infrastructure to dampen the impact of events
past-events ; intensity of events in past x time steps
private-invest ; every time step the agent decides to invest or not in private infrastructure
order ; ordering residents on income
intensity ; intensity of events experienced at household level
]
patches-own [
price ; average income of residents in this neighborhood impacting property value and absolute level of damage
public-infrastructure ; level of public infrastructure in the neighborhood
damagelevel ; mean damage of residents in the neighborhood
nrresidents ; the number of residents in the neighborhood
public-invest ; amount of public investment in neighborhood infrastructure
past-damagelevels ; sum of damage of residents in the neighborhood in the past x time steps
past-incomelevels ; sum of income of residents in the neighborhood in the past x time steps
relativedamage ; the relative damage of residents received during the last x time steps
]
globals [
gini-price ; average gini coefficient of the prices of houses in all neighborhoods
gini-damage
average-damage ; average damage as fraction of income of residents
cum-average-damage ; cumulated damage after tick 400
cum-public-infrastructure ; cumulated public infrastructure after tick 400
cum-private-infrastructure ; cumulated private infrastructure after tick 400
; alpha beta ; parameter of the Cobb-Douglass production of infrastructure performance
; decay-public decay-private ; decay rates of public and private infrastructure
budget ; budget to be allocated each tick
priority-invest ; scenario that defined priority how to invest budget
]
to setup
clear-all
set-default-shape residents "circle"
let number-residents 36 * 49
create-residents number-residents [
set income exp (random-normal 0 0.5)
set size 0.1
set damage 0
set infrastructure 1
set private-infrastructure 1
set past-events [0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1]
]
let i 0
foreach sort-on [income] residents
[ the-turtle -> ask the-turtle [ set order i set i i + 1 ] ]
let order-i 0
ask patches [
set pcolor white
set i 0
let j 0
let patchnumber pxcor + pxcor * 6
let pxcor-patch pxcor
let pycor-patch pycor
let qj (patchnumber + 1) / (49 - 1) + (1 - 2 * (patchnumber + 1) / (49 - 1)) * 7
set qj qj * 36
set qj int qj
let order-j 0
while [order-j < 36] [
ask one-of residents with [order = order-i] [
set xcor pxcor-patch - 0.35 + 0.14 * i
set ycor pycor-patch - 0.35 + 0.14 * j
set i i + 1
if i mod 6 = 0 [set j j + 1 set i 0]
set order-i order-i + 1
set order-j order-j + 1
]
]
set public-infrastructure 1
]
; create some space to move
ask patches [
set price mean [income] of residents-here
set damagelevel mean [damage] of residents-here
set past-damagelevels [0 0 0 0 0 0 0 0 0 0]
set past-incomelevels [1 1 1 1 1 1 1 1 1 1]
]
; set alpha 0.4
; set beta 0.4
; set decay-public 0.02
; set decay-private 0.03
if priority-public-investments = "low infrastructure" [set priority-invest 0]
if priority-public-investments = "recent high damage" [set priority-invest 1]
if priority-public-investments = "recent high relative damage" [set priority-invest 2]
reset-ticks
update-colors
end
to go
events
update-infrastructure
update-colors
tick
end
to update-colors
ask patches [
set price 0.001
set damagelevel 0
if count residents-here > 0 [
set price mean [income] of residents-here
set damagelevel mean [damage] of residents-here
]
]
if visualization = "income" [
ask patches [set pcolor scale-color green price 0 10]
ask residents [set color scale-color red income 0 10]
]
if visualization = "damage" [
ask patches [set pcolor scale-color red damagelevel 0 0.1]
ask residents [set color scale-color red damage 0 1]
]
if visualization = "infrastructure" [
ask patches [
ifelse count residents-here > 0
[
set pcolor scale-color blue mean [infrastructure] of residents-here 0 2
][
set pcolor white
]
]
]
set gini-price 0
set gini-damage 0
let i 0
let j 0
while [i < 7]
[
while [j < 7]
[
let i2 0
let j2 0
while [i2 < 7]
[
while [j2 < 7]
[
set gini-price gini-price + abs ([price] of patch i j - [price] of patch i2 j2)
set gini-damage gini-damage + abs (([damagelevel] of patch i j / [price] of patch i j) - ([damagelevel] of patch i2 j2 / [price] of patch i2 j2))
set j2 j2 + 1
]
set j2 0
set i2 i2 + 1
]
set j j + 1
]
set j 0
set i i + 1
]
set gini-price gini-price / (2 * mean [price] of patches * 49 * 49)
if mean [damagelevel] of patches > 0 [
set gini-damage gini-damage / (2 * mean [damagelevel] of patches * 49 * 49)]
set average-damage sum [damage] of residents / sum [income] of residents
if ticks >= 100 [
set cum-average-damage cum-average-damage + average-damage
set cum-public-infrastructure cum-public-infrastructure + mean [public-infrastructure] of patches
set cum-private-infrastructure cum-private-infrastructure + mean [private-infrastructure] of residents
]
ask patches [
set i 0
set j 0
ask residents-here [
set xcor pxcor - 0.35 + 0.14 * i
set ycor pycor - 0.35 + 0.14 * j
set i i + 1
if i mod 6 = 0 [set j j + 1 set i 0]
]
]
ask patches [set nrresidents count residents-here]
end
to update-infrastructure
set budget budget-scen
ask patches [
set public-infrastructure public-infrastructure * (1 - decay-public)
]
ask residents [
set private-infrastructure private-infrastructure * (1 - decay-private)
]
ask residents [
set infrastructure (public-infrastructure ^ alpha) * (private-infrastructure ^ beta)
]
private-infrastructure-provision
public-infrastructure-provision
end
to private-infrastructure-provision
; calculate benefit of investing one unit in private infrastructure
ask residents [
let i 0
let e-lessdamage 0
let e-infrastructure (public-infrastructure ^ alpha) * ((private-infrastructure + 1) ^ beta)
while [i < 10]
[
if item i past-events > 0 [
set e-lessdamage e-lessdamage + price * (1 - (dmax / (1 + exp (gamma * (item i past-events - 1 - infrastructure))))) - price * (1 - (dmax / (1 + exp (gamma * (item i past-events - 1 - e-infrastructure)))))
]
set i i + 1
]
ifelse (e-lessdamage / 10) >= 0.1 [set private-invest 1][set private-invest 0]
set private-infrastructure private-infrastructure + private-invest
set infrastructure (public-infrastructure ^ alpha) * (private-infrastructure ^ beta)
]
end
to public-infrastructure-provision
ask patches [ set public-invest 0]
; prioritize neighborhoods with low infrastructure
if priority-invest = 0 [
foreach sort-on [public-infrastructure] patches [
the-patch -> ask the-patch [if budget > 0 [set public-invest 1 set budget budget - 1]]
]
]
; prioritize neighborhoods with high damage in last 10 ticks
if priority-invest = 1 [
foreach sort-on [(- mean past-damagelevels)] patches [
the-patch -> ask the-patch [if budget > 0 [set public-invest 1 set budget budget - 1]]
]
]
; prioritize neighbors with relative high damage related to income
if priority-invest = 2 [
foreach sort-on [(- relativedamage)] patches [
the-patch -> ask the-patch [if budget > 0 [set public-invest 1 set budget budget - 1]]
]
]
ask patches [
set public-infrastructure public-infrastructure + public-invest
]
ask residents [
set infrastructure (public-infrastructure ^ alpha) * (private-infrastructure ^ beta)
]
end
to events
let intensity-c random-exponential event-exp
ask residents [set damage 0 set intensity intensity-c]
; individual events
ask residents [
set intensity intensity + random-exponential event-exp
]
ask patches [
let intensity-n random-exponential event-exp
ask residents-here [
set intensity intensity + intensity-n]
]
; ask residents [
; set intensity intensity-scen
; ]
ask residents [
; show price
; show (1 - dmax / (1 + exp (gamma * (intensity - infrastructure))))
; show intensity
; show infrastructure
set damage price * (1 - (dmax / (1 + exp (gamma * (intensity - 1 - infrastructure)))))
; show damage
; show "z"
set past-events remove-item 0 past-events
set past-events lput intensity past-events
]
ask patches [
set past-damagelevels remove-item 0 past-damagelevels
set past-damagelevels lput (sum [damage] of residents-here) past-damagelevels
set past-incomelevels remove-item 0 past-incomelevels
set past-incomelevels lput (sum [income] of residents-here) past-incomelevels
set relativedamage 0
if mean past-incomelevels > 0 [
set relativedamage mean past-damagelevels / mean past-incomelevels
]
]
end
@#$#@#$#@
GRAPHICS-WINDOW
210
10
568
369
-1
-1
50.0
1
10
1
1
1
0
1
1
1
0
6
0
6
0
0
1
ticks
30.0
BUTTON
2
10
65
43
NIL
setup
NIL
1
T
OBSERVER
NIL
NIL
NIL
NIL
1
BUTTON
68
10
131
43
NIL
go
T
1
T
OBSERVER
NIL
NIL
NIL
NIL
1
SLIDER
13
243
185
276
dmax
dmax
0
1
1.0
0.01
1
NIL
HORIZONTAL
SLIDER
16
206
188
239
gamma
gamma
0
5
5.0
0.1
1
NIL
HORIZONTAL
BUTTON
134
10
197
43
NIL
go
NIL
1
T
OBSERVER
NIL
NIL
NIL
NIL
1
CHOOSER
212
374
350
419
visualization
visualization
"income" "damage" "infrastructure"
2
PLOT
580
13
882
220
Gini house prices
NIL
NIL
0.0
10.0
0.0
1.0
true
false
"" ""
PENS
"default" 1.0 0 -16777216 true "" "plot gini-price"
"pen-1" 1.0 0 -5298144 true "" "plot gini-damage"
"intensity" 1.0 0 -14070903 true "" "plot mean [intensity] of residents / 10"
PLOT
581
221
881
431
relative damage
NIL
NIL
0.0
10.0
0.0
1.0
true
false
"" ""
PENS
"default" 1.0 0 -16777216 true "" "plot average-damage"
PLOT
885
14
1197
219
investments
NIL
NIL
0.0
10.0
0.0
1.0
true
true
"" ""
PENS
"private" 1.0 0 -14070903 true "" "plot mean [private-invest] of residents"
"public" 1.0 0 -5298144 true "" "plot mean [public-invest] of patches"
PLOT
885
221
1198
427
infrastructure
NIL
NIL
0.0
10.0
0.0
2.0
true
true
"" ""
PENS
"total" 1.0 0 -16777216 true "" "plot mean [infrastructure] of residents"
"private" 1.0 0 -13840069 true "" "plot mean [private-infrastructure] of residents"
"public" 1.0 0 -13345367 true "" "plot mean [public-infrastructure] of patches"
SLIDER
13
279
185
312
budget-scen
budget-scen
0
50
12.0
1
1
NIL
HORIZONTAL
CHOOSER
363
375
582
420
priority-public-investments
priority-public-investments
"low infrastructure" "recent high damage" "recent high relative damage"
2
SLIDER
11
55
183
88
alpha
alpha
0
1
0.4
0.01
1
NIL
HORIZONTAL
SLIDER
13
94
185
127
beta
beta
0
1
0.4
0.01
1
NIL
HORIZONTAL
SLIDER
13
132
185
165
decay-public
decay-public
0
1
0.15
0.01
1
NIL
HORIZONTAL
SLIDER
18
170
190
203
decay-private
decay-private
0
1
0.15
0.01
1
NIL
HORIZONTAL
SLIDER
16
319
188
352
event-exp
event-exp
0
3
1.0
0.1
1
NIL
HORIZONTAL
SLIDER
180
463
352
496
intensity-scen
intensity-scen
0
10
1.5
0.1
1
NIL
HORIZONTAL
@#$#@#$#@
## WHAT IS IT?
(a general understanding of what the model is trying to show or explain)
## HOW IT WORKS
(what rules the agents use to create the overall behavior of the model)
## HOW TO USE IT
(how to use the model, including a description of each of the items in the Interface tab)
## THINGS TO NOTICE
(suggested things for the user to notice while running the model)
## THINGS TO TRY
(suggested things for the user to try to do (move sliders, switches, etc.) with the model)
## EXTENDING THE MODEL
(suggested things to add or change in the Code tab to make the model more complicated, detailed, accurate, etc.)
## NETLOGO FEATURES
(interesting or unusual features of NetLogo that the model uses, particularly in the Code tab; or where workarounds were needed for missing features)
## RELATED MODELS
(models in the NetLogo Models Library and elsewhere which are of related interest)
## CREDITS AND REFERENCES
(a reference to the model's URL on the web if it has one, as well as any other necessary credits, citations, and links)
@#$#@#$#@
default
true
0
Polygon -7500403 true true 150 5 40 250 150 205 260 250
airplane
true
0
Polygon -7500403 true true 150 0 135 15 120 60 120 105 15 165 15 195 120 180 135 240 105 270 120 285 150 270 180 285 210 270 165 240 180 180 285 195 285 165 180 105 180 60 165 15
arrow
true
0
Polygon -7500403 true true 150 0 0 150 105 150 105 293 195 293 195 150 300 150
box
false
0
Polygon -7500403 true true 150 285 285 225 285 75 150 135
Polygon -7500403 true true 150 135 15 75 150 15 285 75
Polygon -7500403 true true 15 75 15 225 150 285 150 135
Line -16777216 false 150 285 150 135
Line -16777216 false 150 135 15 75
Line -16777216 false 150 135 285 75
bug
true
0
Circle -7500403 true true 96 182 108
Circle -7500403 true true 110 127 80
Circle -7500403 true true 110 75 80
Line -7500403 true 150 100 80 30
Line -7500403 true 150 100 220 30
butterfly
true
0
Polygon -7500403 true true 150 165 209 199 225 225 225 255 195 270 165 255 150 240
Polygon -7500403 true true 150 165 89 198 75 225 75 255 105 270 135 255 150 240
Polygon -7500403 true true 139 148 100 105 55 90 25 90 10 105 10 135 25 180 40 195 85 194 139 163
Polygon -7500403 true true 162 150 200 105 245 90 275 90 290 105 290 135 275 180 260 195 215 195 162 165
Polygon -16777216 true false 150 255 135 225 120 150 135 120 150 105 165 120 180 150 165 225
Circle -16777216 true false 135 90 30
Line -16777216 false 150 105 195 60
Line -16777216 false 150 105 105 60
car
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Circle -16777216 true false 30 180 90
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Circle -7500403 true true 195 195 58
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Polygon -7500403 true true 73 210 86 251 62 249 48 208
Polygon -7500403 true true 25 114 16 195 9 204 23 213 25 200 39 123
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face happy
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Circle -16777216 true false 180 75 60
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Circle -16777216 true false 180 75 60
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face sad
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Circle -16777216 true false 180 75 60
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fish
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Polygon -1 true false 75 45 83 77 71 103 86 114 166 78 135 60
Polygon -7500403 true true 30 136 151 77 226 81 280 119 292 146 292 160 287 170 270 195 195 210 151 212 30 166
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flag
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Line -7500403 true 75 45 90 45
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Circle -7500403 true true 130 147 38
Circle -7500403 true true 192 85 38
Circle -7500403 true true 85 40 38
Circle -7500403 true true 177 40 38
Circle -7500403 true true 177 132 38
Circle -7500403 true true 70 85 38
Circle -7500403 true true 130 25 38
Circle -7500403 true true 96 51 108
Circle -16777216 true false 113 68 74
Polygon -10899396 true false 189 233 219 188 249 173 279 188 234 218
Polygon -10899396 true false 180 255 150 210 105 210 75 240 135 240
house
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Rectangle -16777216 true false 120 210 180 285
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Polygon -7500403 true true 195 90 240 150 225 180 165 105
Polygon -7500403 true true 105 90 60 150 75 180 135 105
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Polygon -7500403 true true 165 105 165 135 225 105 255 45 210 60
Polygon -7500403 true true 135 90 120 45 150 15 180 45 165 90
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Circle -1 true true 70 65 162
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Polygon -7500403 true false 219 85 210 105 193 99 201 83
square
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target
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Circle -7500403 true true 60 60 180
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Circle -7500403 true true 120 120 60
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Circle -7500403 true true 65 21 108
Circle -7500403 true true 116 41 127
Circle -7500403 true true 45 90 120
Circle -7500403 true true 104 74 152
triangle
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truck
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Circle -7500403 false true 144 174 42
Circle -7500403 false true 234 174 42
turtle
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Polygon -7500403 true true 119 75 179 75 209 101 224 135 220 225 175 261 128 261 81 224 74 135 88 99
wheel
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Line -7500403 true 15 150 285 150
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Line -7500403 true 216 40 79 269
Line -7500403 true 40 84 269 221
Line -7500403 true 40 216 269 79
Line -7500403 true 84 40 221 269
wolf
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Polygon -7500403 true true 2 194 13 197 30 191 38 193 38 205 20 226 20 257 27 265 38 266 40 260 31 253 31 230 60 206 68 198 75 209 66 228 65 243 82 261 84 268 100 267 103 261 77 239 79 231 100 207 98 196 119 201 143 202 160 195 166 210 172 213 173 238 167 251 160 248 154 265 169 264 178 247 186 240 198 260 200 271 217 271 219 262 207 258 195 230 192 198 210 184 227 164 242 144 259 145 284 151 277 141 293 140 299 134 297 127 273 119 270 105
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x
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Polygon -7500403 true true 30 75 75 30 270 225 225 270
@#$#@#$#@
NetLogo 6.2.2
@#$#@#$#@
@#$#@#$#@
@#$#@#$#@
<experiments>
<experiment name="experiment" repetitions="1000" sequentialRunOrder="false" runMetricsEveryStep="false">
<setup>setup</setup>
<go>go</go>
<timeLimit steps="500"/>
<metric>gini-price</metric>
<metric>cum-average-damage / 100</metric>
<metric>cum-private-infrastructure / 100</metric>
<metric>cum-public-infrastructure / 100</metric>
<metric>priority-invest</metric>
<enumeratedValueSet variable="fraction-open">
<value value="0.1"/>
</enumeratedValueSet>
<enumeratedValueSet variable="damage-threshold">
<value value="0.05"/>
<value value="0.15"/>
<value value="0.25"/>
</enumeratedValueSet>
<enumeratedValueSet variable="dmax-city">
<value value="0"/>
</enumeratedValueSet>
<enumeratedValueSet variable="dmax-neigh">
<value value="0.3"/>
</enumeratedValueSet>
<enumeratedValueSet variable="alpha">
<value value="1"/>
</enumeratedValueSet>
<enumeratedValueSet variable="freq-ind">
<value value="0"/>
</enumeratedValueSet>
<enumeratedValueSet variable="visualization">
<value value=""income""/>
</enumeratedValueSet>
<steppedValueSet variable="freq-neigh" first="0" step="0.2" last="1"/>
<enumeratedValueSet variable="dmax-ind">
<value value="0"/>
</enumeratedValueSet>
<enumeratedValueSet variable="freq-city">
<value value="0"/>
</enumeratedValueSet>
<enumeratedValueSet variable="budget-scen">
<value value="1"/>
</enumeratedValueSet>
<enumeratedValueSet variable="gamma">
<value value="1"/>
</enumeratedValueSet>
<enumeratedValueSet variable="priority-public-investments">
<value value=""recent high damage""/>
<value value=""recent high relative damage""/>
</enumeratedValueSet>