Principal Web Developer at Freedom of the Press Foundation
Unlisted
Edited
Nov 18, 2023
currentSystemStats(10, 100, 1200, 2)
currentSystemStats = (attendees, avgTicket, npExpenses, musicians) => {
const income = attendees * avgTicket
const afterNpExpenses = income - npExpenses
// Callers always get the full guarantee
const callerGuarantee = PERFORMER_GUARANTEE
// If there are more musicians than our limit, we divide the maximum guarantee by the number of musicians
const musicianGuarantee = musicians <= MUSICIAN_LIMIT ? PERFORMER_GUARANTEE: PERFORMER_GUARANTEE * MUSICIAN_LIMIT / musicians
const rawProfit = afterNpExpenses - callerGuarantee - musicianGuarantee * musicians
// BIDA takes $100 if there's more than $100 raw profit, no profit if there's a loss
const bida100 = Math.max(Math.min(100, rawProfit), 0)
const profitToSplit = Math.max(rawProfit - bida100, 0)
// BIDA additionally takes half of the remaining profit
const performerProfit = profitToSplit / 2
// The performers split evenly what remains
const performerProfitPer = Math.floor(performerProfit / (musicians + 1))
const musicianPay = musicianGuarantee + performerProfitPer
const callerPay = callerGuarantee + performerProfitPer
const bidaProfit = afterNpExpenses - musicianPay * musicians - callerPay
return {
attendees,
musicians,
income,
musicianPay,
callerPay,
bidaProfit,
system: 'current',
}
}
newSystemStats = (attendees, avgTicket, npExpenses, musicians) => {
const income = attendees * avgTicket
const afterNpExpenses = income - npExpenses
// Callers always get the full guarantee
const callerGuarantee = PERFORMER_GUARANTEE
// If there are more musicians than our limit, we divide the maximum guarantee by the number of musicians
const musicianGuarantee = musicians <= MUSICIAN_LIMIT ? PERFORMER_GUARANTEE: PERFORMER_GUARANTEE * MUSICIAN_LIMIT / musicians
// Each performer gets $bonusRate/attendee above the threshold.
// If there are fewer than bonusThreshold attendees this amount will be 0
const performerBonus = Math.max(attendees - bonusThreshold, 0) * bonusRate
const musicianPay = musicianGuarantee + performerBonus
const callerPay = callerGuarantee + performerBonus
const bidaProfit = afterNpExpenses - musicianPay * musicians - callerPay
return {
attendees,
musicians,
income,
musicianPay,
callerPay,
bidaProfit,
system: 'proposed',
}
}
scenarios = d3.cross(attendeeCounts, bandSizes)
.map(([attendees, musicians]) => [
newSystemStats(
attendees,
avgTicket,
nonPerformerExpenses,
musicians
),
currentSystemStats(
attendees,
avgTicket,
nonPerformerExpenses,
musicians
)
])
.flat()
PERFORMER_GUARANTEE = 125
MUSICIAN_LIMIT = 4
PAY_COLOR = '#058'
PROFIT_COLOR = '#4C2'
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