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Dandelion Mané
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Published
Edited
Nov 4, 2019
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grainDemand = BUYER_BUDGET / ANCHOR_PRICE
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clearingPrice = (grainDemand / GRAIN_OFFERED) * ANCHOR_PRICE
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clampWithin = (val, min, max) => Math.max(Math.min(max, val), min)
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minPrice = ANCHOR_PRICE / (1 + VOLATILITY)
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maxPrice = ANCHOR_PRICE * (1 + VOLATILITY)
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salePrice = clampWithin(clearingPrice, minPrice, maxPrice)
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clearingAmount = {
// Too much Grain; buyer buys as much as they can afford at salePrice
if (salePrice === minPrice) return BUYER_BUDGET / salePrice
// Otherwise, all the Grain gets sold
return GRAIN_OFFERED
}
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supplySatisfaction = clearingAmount / GRAIN_OFFERED
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demandSatisfaction = clearingAmount * salePrice / BUYER_BUDGET
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import {slider} from "@jashkenas/inputs"
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d3 = require("https://d3js.org/d3.v5.min.js")
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percentFormat = d3.format(".1%")
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dollarFormat = d3.format("$,.2f")
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grainFormat = (x) => d3.format(",.0f")(x) + "`¤`"
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