Some instructions\");\n// _tools.showOkDialog(\"Instructions
The interface of this simulation contains three panels:
- Left Panel: Displays the profit level
- Middle Panel: Shows the set of revenue and cost curves
- Right Panel: Control panel for adjusting parameters and view
Graph Panel (Middle)
- Each revenue/cost curve is colour-coded and labelled
- Colour legend is located below the panel
- Labels can be repositioned by clicking on and dragging them
- Profit is visualised by rectangles: Blue for supernormal; Orange for subnormal
Control Panel (Right)
Adjust cost and revenue parameters and viewing options using buttons and sliders. Hover over each control to view its specific function.
\");\n// document.getElementById(\".myBoxPanelOk\").style.width = \"500px\";\n// document.getElementById(\".myBoxPanelOk\").style.left = \"40%\"; //to fix aspect ratio\n"
}
]
},
"evolution": {
"information": {
"FPS": "20",
"SPD": "1",
"RealTimeVariable": "",
"Autoplay": "true"
},
"pages": []
},
"fixed_relations": {
"pages": [
{
"Name": "FixRel Page 1",
"Active": "true",
"Internal": "false",
"Type": "undefined",
"Comment": "",
"Code": "// FixRel Page 1\n\n//Add P and AC labels?\n//Remove AC to only see P & Q\n\n//xEq\nxEq = findIntersectionX(mcFn, mrFn, mc, ped, Cd);\n\n//AC at equilibrium\nacEq = 0.001*(xEq+30)*xEq*(xEq-30) + mc + fc/xEq;\n\n//P at equilibrium\npEq = ped*(xEq - Cd);\n\n//profit margin and profit at equilibrium\nprofitMargin = pEq - acEq;\nprofitMarginOG = Math.abs(pEqOG - acEqOG);\nprofit = (Math.round((profitMargin)*xEq) >= -1 && Math.round((profitMargin)*xEq) <= 1) ? 0: Math.round((profitMargin)*xEq);\nprofitText = (profit >= 0) ? \"$\" + String(profit): \"-$\" + String(-profit);\nprofitDescription = (profit > 0) ? \"Supernormal\": (profit == 0) ? \"Normal\":(profit < 0) ? \"Subnormal\": \"No equilibrium\" ;\n\n//To create toggle for view radio buttons\nRCViewFlag = viewControl[0];\nROnlyViewFlag = viewControl[1];\nCOnlyViewFlag = viewControl[2];\n\n//To control views\nshowARMR = (RCViewFlag || ROnlyViewFlag) ? true: false;\nshowACMC = (RCViewFlag || COnlyViewFlag) ? true: false;\n\n//To dynamically decide whether to plot towards x-axis from P or AC\nplotEqX = Math.max(acEq, pEq);\nplotEqXOG = Math.max(acEqOG, pEqOG);\n\n//To dynamically show profit boxes with different colours\nsuperProfit = (profit > 0 && RCViewFlag) ? true : false;\nsubProfit = (profit < 0 && RCViewFlag) ? true : false;\n\n//To update whether to show OGs\nshowOGARMR = (showOG && showARMR)? true: false;\nshowOGACMC = (showOG && showACMC)? true: false;\nshowOGAVCAFC = (showOG && showAVCAFC)? true: false;\nshowOGProfit = (RCViewFlag && showOG)? true: false;\n\n//To disable buttons\nvcLowerLimit = (mc <= 9) ? true: false;\nvcUpperLimit = (mc >= 57) ? true: false;\nfcLowerLimit = (fc <= 0) ? true: false;\nfcUpperLimit = (fc >= 640) ? true: false;\narLowerLimit = (Cd <= 5) ? true: false;\narUpperLimit = (Cd >= 80) ? true: false;\n\n//To make sure labels don't leave the page\n// mcX2 = (mcX > 50) ? 50: (mcX < 0) ? 0 : mcX;\n// mcY2 = (mcY > 50) ? 50: (mcY < 0) ? 0 : mcY;\n"
}
]
},
"custom": {
"pages": [
{
"Name": "Functions for controls",
"Active": "true",
"Internal": "false",
"Type": "undefined",
"Comment": "",
"Code": "// Custom Page 1\n\n//Decrease VC\nfunction decreaseVC() {\n mc -= 3;\n if (mcY >= 3) { //code to create \"sticky labels\"\n mcY -=3;\n }\n if (avcY >= 3) {\n avcY -= 3;\n }\n if (acY >= 3) {\n acY -=3;\n }\n}\n//Increase VC\nfunction increaseVC() {\n mc += 3;\n if (mcY <= 47) {\n mcY +=3;\n }\n if (avcY <= 47) {\n avcY += 3;\n }\n if (acY <= 47) {\n acY +=3;\n }\n}\n//Reset VC\nfunction resetVC() {\n mc = mcOG;\n mcX = mcXOG;\n mcY = mcYOG;\n avcX = avcXOG;\n avcY = avcYOG;\n acX = acXOG;\n acY = acYOG;\n}\n\n//Decrease FC\nfunction decreaseFC() {\n fc -= 10;\n if (afcY >= 10/afcX) {\n afcY -= (10/afcX);\n }\n if (acY >= 10/afcX) {\n acY -= (10/afcX);\n }\n}\n//Increase FC\nfunction increaseFC() {\n fc += 10;\n if (afcY <= 50 - (10/afcX)) {\n afcY += (10/afcX);\n }\n if (acY <= 50 - (10/afcX)) {\n acY += (10/afcX);\n }\n}\n//Reset FC\nfunction resetFC() {\n fc = fcOG;\n afcX = afcXOG;\n afcY = afcYOG;\n acX = acXOG;\n acY = acYOG;\n}\n\n//Decrease D\nfunction decreaseDemand() {\n Cd -= 5;\n if (arX >= 5) {\n arX -= 5;\n }\n if (mrX >= 2.5) {\n mrX -= 2.5;\n }\n}\n//Increase D\nfunction increaseDemand() {\n Cd += 5;\n if (arX <= 45) {\n arX += 5;\n }\n if (mrX <= 47.5) {\n mrX += 2.5;\n }\n}\n//Reset D\nfunction resetDemand() {\n Cd = CdOG;\n arX = arXOG;\n arY = arYOG;\n mrX = mrXOG;\n mrY = mrYOG;\n}\n//Reset PED\nfunction resetPED() {\n ped = pedOG;\n}\n\n//Reset All\nfunction resestAll(){\n mcOG = 27;\n fcOG = 50;\n pedOG = -1;\n CdOG = 40;\n xEqOG = 13.649;\n pEqOG = 26.351;\n acEqOG = 20.922;\n profitTextOG = \"$74\";\n profitDescriptionOF = \"Supernormal\";\n viewControl = [true,false,false];\n RCViewFlag = true;\n ROnlyViewFlag = false;\n COnlyViewFlag = false;\n showARMR = true;\n showACMC = true;\n showAVCAFC = false;\n showOG = true;\n showOGARMR = true;\n showOGACMC = true;\n showOGAVCAFC = false;\n showOGProfit = true;\n arXOG = 42;\n arYOG = 3;\n mrXOG = 21;\n mrYOG = 3;\n mcXOG = 22;\n mcYOG = 40;\n acXOG = 33;\n acYOG = 40;\n avcXOG = 37;\n avcYOG = 40;\n afcXOG = 35;\n afcYOG = 3;\n resetVC();\n resetFC();\n resetDemand();\n resetPED()\n \n}"
},
{
"Name": "Solvers",
"Active": "true",
"Internal": "false",
"Type": "CODE_EDITOR",
"Comment": "",
"Code": "// Solver for equilibrium X\n///Define MC and MR functions\nfunction mcFn(x,mc) { return 0.004*x*(x*x - 450) + mc}\nfunction mrFn(x,ped,Cd) {return 2*ped*(x - 0.5*Cd)}\n\n//Function to use numerical analysis to return the intersection of MC and MR\nfunction findIntersectionX(curve1, curve2, mc, ped, Cd) {\n for (let x = 3.5; x <= 50; x += 0.001) {\n let y1 = curve1(x,mc);\n let y2 = curve2(x,ped,Cd);\n if (Math.abs(y1 - y2) < 0.01) { // Tolerance for floating-point comparison\n return x;\n }\n }\n return 0; // No intersection found\n}\n\n\n// Solver for profit\nfunction findProfitMargin(mc,fc,ped,Cd) {\n let xEq2 = findIntersectionX(mcFn, mrFn, mc, ped, Cd);\n let acEq2 = 0.001*(xEq2+30)*xEq2*(xEq2-30) + mc + fc/xEq2;\n let pEq2 = ped*(xEq2 - Cd);\n return pEq2 - acEq2;\n}\n"
},
{
"Name": "Set profit functions",
"Active": "true",
"Internal": "false",
"Type": "CODE_EDITOR",
"Comment": "",
"Code": "// Set profit functions\n\n//Set to Normal\nfunction findNormalCd(mc,fc,ped,Cd){\n let tempCd = Cd;\n //get the current profit\n let currentProfit = findProfitMargin(mc,fc,ped,Cd); //findProfitMargin function is defined on \"Solvers\" page\n if (currentProfit > 0.1){\n while (!(currentProfit > 0 && currentProfit < 0.1)) {\n tempCd -= 0.1;\n currentProfit = findProfitMargin(mc,fc,ped,tempCd);\n }\n return tempCd;\n } else if (currentProfit < -0.1){\n while (!(currentProfit > 0 && currentProfit < 0.1)) {\n tempCd += 0.1;\n currentProfit = findProfitMargin(mc,fc,ped,tempCd);\n }\n return tempCd;\n } else {\n return tempCd;\n }\n}\n\nfunction setToNormal(){\n resetVC();\n resetFC();\n resetPED();\n let tempCd = findNormalCd(mc,fc,ped,Cd);\n let offset = tempCd - Cd;\n arX += offset;\n mrX += offset/2;\n Cd = tempCd;\n viewCR();\n \n //Shift OG curves and labels\n xEqOG = findIntersectionX(mcFn, mrFn, mc, ped, tempCd);\n pEqOG = ped*(xEqOG - tempCd);\n acEqOG = 0.001*(xEqOG+30)*xEqOG*(xEqOG-30) + mc + fc/xEqOG;\n CdOG = Cd;\n pedOG = ped;\n mcOG = mc;\n fcOG = fc;\n arXOG = arX;\n arYOG = arY;\n mrXOG = mrX;\n mrYOG = mrY;\n acXOG = acX;\n acYOG = acY;\n mcXOG = mcX;\n mcYOG = mcY;\n avcXOG = avcX;\n avcYOG = avcY;\n afcXOG = afcX;\n afcYOG = afcY;\n profitMarginOG = Math.abs(pEqOG - acEqOG);\n let profitOG = Math.round((pEqOG - acEqOG)*xEqOG);\n profitTextOG = (profitOG >= 0) ? \"$\" + String(profitOG): \"-$\" + String(-profitOG);\n profitDescriptionOG = (profitOG > 0) ? \"Supernormal\": (profitOG == 0) ? \"Normal\":(profitOG < 0) ? \"Subnormal\": \"No equilibrium\" ;\n}\n\nfunction setToSuper(){\n setToNormal();\n increaseDemand();\n //Shift OG curves and labels\n xEqOG = findIntersectionX(mcFn, mrFn, mc, ped, Cd);\n pEqOG = ped*(xEqOG - Cd);\n acEqOG = 0.001*(xEqOG+30)*xEqOG*(xEqOG-30) + mc + fc/xEqOG;\n CdOG = Cd;\n pedOG = ped;\n mcOG = mc;\n fcOG = fc;\n arXOG = arX;\n arYOG = arY;\n mrXOG = mrX;\n mrYOG = mrY;\n acXOG = acX;\n acYOG = acY;\n mcXOG = mcX;\n mcYOG = mcY;\n avcXOG = avcX;\n avcYOG = avcY;\n afcXOG = afcX;\n afcYOG = afcY;\n profitMarginOG = Math.abs(pEqOG - acEqOG);\n let profitOG = Math.round((pEqOG - acEqOG)*xEqOG);\n profitTextOG = (profitOG >= 0) ? \"$\" + String(profitOG): \"-$\" + String(-profitOG);\n profitDescriptionOG = (profitOG > 0) ? \"Supernormal\": (profitOG == 0) ? \"Normal\":(profitOG < 0) ? \"Subnormal\": \"No equilibrium\" ;\n}\n\nfunction setToSub(){\n setToNormal();\n decreaseDemand();\n //Shift OG curves and labels\n xEqOG = findIntersectionX(mcFn, mrFn, mc, ped, Cd);\n pEqOG = ped*(xEqOG - Cd);\n acEqOG = 0.001*(xEqOG+30)*xEqOG*(xEqOG-30) + mc + fc/xEqOG;\n CdOG = Cd;\n pedOG = ped;\n mcOG = mc;\n fcOG = fc;\n arXOG = arX;\n arYOG = arY;\n mrXOG = mrX;\n mrYOG = mrY;\n acXOG = acX;\n acYOG = acY;\n mcXOG = mcX;\n mcYOG = mcY;\n avcXOG = avcX;\n avcYOG = avcY;\n afcXOG = afcX;\n afcYOG = afcY;\n profitMarginOG = Math.abs(pEqOG - acEqOG);\n let profitOG = Math.round((pEqOG - acEqOG)*xEqOG);\n profitTextOG = (profitOG >= 0) ? \"$\" + String(profitOG): \"-$\" + String(-profitOG);\n profitDescriptionOG = (profitOG > 0) ? \"Supernormal\": (profitOG == 0) ? \"Normal\":(profitOG < 0) ? \"Subnormal\": \"No equilibrium\" ;\n}\n"
},
{
"Name": "Set profit functions II",
"Active": "true",
"Internal": "false",
"Type": "CODE_EDITOR",
"Comment": "",
"Code": "// Set profit functions II\n\nfunction setCurrentAsOG() {\n xEqOG = xEq;\n pEqOG = pEq;\n acEqOG = acEq;\n CdOG = Cd;\n pedOG = ped;\n mcOG = mc;\n fcOG = fc;\n arXOG = arX;\n arYOG = arY;\n mrXOG = mrX;\n mrYOG = mrY;\n acXOG = acX;\n acYOG = acY;\n mcXOG = mcX;\n mcYOG = mcY;\n avcXOG = avcX;\n avcYOG = avcY;\n afcXOG = afcX;\n afcYOG = afcY;\n profitTextOG = profitText;\n profitDescriptionOG = profitDescription;\n}"
},
{
"Name": "ViewControls",
"Active": "true",
"Internal": "false",
"Type": "CODE_EDITOR",
"Comment": "",
"Code": "// ViewControls\nfunction viewCR() {\n viewControl = [true,false,false];\n showAVCAFC = false;\n}\n\nfunction viewROnly() {\n viewControl = [false,true,false];\n showAVCAFC = false;\n}\n\nfunction viewCOnly() {\n viewControl = [false,false,true];\n showAVCAFC = false;\n}"
},
{
"Name": "ShowInstructions",
"Active": "true",
"Internal": "false",
"Type": "CODE_EDITOR",
"Comment": "",
"Code": "// ShowInstructions\nfunction showInstructions(){\n // _tools.showOkDialog(\"Instructions
The interface of this simulation contains three panels:
- Left Panel: Displays the profit level
- Middle Panel: Shows the set of revenue and cost curves
- Right Panel: Control panel for adjusting parameters and view
Graph Panel (Middle)
- Each revenue/cost curve is colour-coded and labelled
- Colour legend is located below the panel
- Labels can be repositioned by clicking on and dragging them
- Profit is visualised by rectangles: Blue for supernormal; Orange for subnormal
Control Panel (Right)
Adjust cost and revenue parameters and viewing options using buttons and sliders. Hover over each control to view its specific function.
\");\n _tools.showOkDialog(\"Instructions
The interface of this simulation contains three panels:
- Left Panel: Displays the profit level
- Middle Panel: Shows the set of revenue and cost curves
- Right Panel: Control panel for adjusting parameters and view
Graph Panel (Middle)
- Each revenue/cost curve is colour-coded and labelled
- Colour legend is located below the panel
- Labels can be repositioned by clicking on and dragging them
- Profit is visualised by rectangles: Blue for supernormal; Orange for subnormal
Control Panel (Right)
Adjust cost and revenue parameters and viewing options using buttons and sliders. Hover over each control to view its specific function.