{"uid":"cap_HmMJYQxjyRXsIFCXwiNTh","slug":"unit-contribution-local-finite-change-elasticity-calculator-50e8099d","name":"Unit Contribution Local Finite-Change Elasticity Calculator","description":"Unit contribution - Local finite-change elasticity: Measure output response to a supplied small percentage change in one nonzero input; local approximation. Metric: Unit contribution. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded local finite-change elasticity report.","url":"https://market.datapackvibe.com/x402/assistant-finance-unit-contribution-elasticity?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"field":{"enum":["unit_price","variable_cost_per_unit"],"type":"string","default":"unit_price"},"baseline":{"type":"object","default":{"unit_price":20,"variable_cost_per_unit":12},"required":["unit_price","variable_cost_per_unit"],"properties":{"unit_price":{"type":"number","default":20,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"},"variable_cost_per_unit":{"type":"number","default":12,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period"}},"additionalProperties":false},"step_percent":{"type":"number","default":1,"maximum":10,"minimum":0.01}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8XrvjPfhTVU8pJjN-N2w6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Measures how unit contribution (unit price minus variable cost per unit) responds to a small percentage change in a specified input variable, providing a local elasticity approximation.","exampleAgentPrompt":"Can you calculate the local finite-change elasticity of unit contribution for a product priced at $20 with a variable cost of $12 per unit, varying the unit price by 1%?","exampleUseCases":[{"title":"Pricing sensitivity check for product manager","prompt":"I have a product with a unit price of $50 and variable cost of $35 per unit. How elastic is the unit contribution to a 2% change in unit price?"},{"title":"Cost increase impact on unit margin","prompt":"My supplier just raised costs — my unit price is $100 and variable cost per unit is $60. What's the local elasticity of unit contribution if variable cost increases by 0.5%?"},{"title":"Margin sensitivity for startup pricing model","prompt":"We're setting pricing for a SaaS product: unit price is $25, variable cost per unit is $8. Can you run a finite-change elasticity analysis on the unit contribution varying unit price by 1%?"}],"resultDescription":"A JSON object containing the computed local finite-change elasticity of unit contribution, along with the formula used, units, and a statement of limitations (local approximation only, valid for small percentage changes around the supplied baseline).","failureModes":["Variable cost per unit equals unit price (zero unit contribution baseline causes division issues)","Step percent outside allowed range 0.01–10 returns validation error","Missing required baseline fields returns schema validation error","Extremely large values near the maximum bound may produce numerically unstable results"],"whenToPreferThis":"Use this endpoint when you need a quick, interpretable local sensitivity measure showing how unit contribution responds to marginal changes in price or variable cost, especially for back-of-envelope pricing decisions or scenario planning. Prefer it over full financial modeling APIs when you only need a single-variable elasticity approximation and want a structured JSON result with formula and caveats included.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:47:23.101Z","isFirstParty":false,"canonicalSlug":"unit-contribution-local-finite-change-elasticity-calculator-50e8099d"}