{
  "id": "money-market",
  "name": "Money market (interest rate determination)",
  "unit": "macro",
  "unitName": "Unit 3 · Macroeconomics",
  "topic": "Monetary & fiscal policy",
  "hl": false,
  "description": "The central bank fixes the money supply (vertical Sm). Equilibrium interest rate is where it meets money demand; increasing the money supply lowers the interest rate.",
  "keywords": [
    "money market",
    "money supply",
    "money demand",
    "interest rate",
    "central bank",
    "monetary policy",
    "open market operations"
  ],
  "schemaUrl": "https://graphs.lectere.com/api/v1/templates/money-market",
  "previewUrl": "https://graphs.lectere.com/thumbs/money-market.svg",
  "editorUrl": "https://graphs.lectere.com/graph/money-market/",
  "params": [
    {
      "key": "change",
      "label": "Monetary policy",
      "default": "exp",
      "type": "enum",
      "options": [
        {
          "value": "none",
          "label": "No change"
        },
        {
          "value": "exp",
          "label": "Expansionary (money supply increases)"
        },
        {
          "value": "con",
          "label": "Contractionary (money supply decreases)"
        }
      ]
    },
    {
      "key": "shift",
      "label": "Change in money supply",
      "default": 1.6,
      "group": "Shape",
      "type": "number",
      "min": 0.8,
      "max": 2.5,
      "step": 0.1
    }
  ],
  "defaults": {
    "change": "exp",
    "shift": 1.6
  },
  "panels": [
    {
      "id": "main",
      "title": null,
      "xLabel": "Quantity of money",
      "yLabel": "Interest rate",
      "xRange": [
        0,
        10
      ],
      "yRange": [
        0,
        10
      ],
      "axisKeys": {
        "x": "main:x",
        "y": "main:y"
      }
    }
  ],
  "labels": [
    {
      "key": "main:y",
      "default": "Interest rate",
      "hint": "Vertical axis",
      "panel": "main"
    },
    {
      "key": "main:x",
      "default": "Quantity of money",
      "hint": "Horizontal axis",
      "panel": "main"
    },
    {
      "key": "main.dm",
      "default": "D_m",
      "hint": "Curve",
      "panel": "main"
    },
    {
      "key": "main.sm1",
      "default": "S_{m1}",
      "hint": "Curve",
      "panel": "main"
    },
    {
      "key": "main.sm2",
      "default": "S_{m2}",
      "hint": "Curve",
      "panel": "main"
    },
    {
      "key": "main.e1:y",
      "default": "i_1",
      "hint": "Vertical-axis value",
      "panel": "main"
    },
    {
      "key": "main.e1:x",
      "default": "M_1",
      "hint": "Horizontal-axis value",
      "panel": "main"
    },
    {
      "key": "main.e2:y",
      "default": "i_2",
      "hint": "Vertical-axis value",
      "panel": "main"
    },
    {
      "key": "main.e2:x",
      "default": "M_2",
      "hint": "Horizontal-axis value",
      "panel": "main"
    }
  ],
  "elements": [
    {
      "key": "main.dm",
      "kind": "curve",
      "label": "D_m"
    },
    {
      "key": "main.sm1",
      "kind": "curve",
      "label": "S_{m1}"
    },
    {
      "key": "main.sm2",
      "kind": "curve",
      "label": "S_{m2}"
    },
    {
      "key": "main.shift",
      "kind": "line"
    },
    {
      "key": "main.e1",
      "kind": "point"
    },
    {
      "key": "main.e2",
      "kind": "point"
    }
  ],
  "stats": null,
  "example": {
    "template": "money-market",
    "params": {
      "change": "exp",
      "shift": 1.6
    }
  }
}