business-case

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Business Case

商业案例

Financial frameworks for investment justification and decision support.
用于投资论证与决策支持的财务分析框架。

When to Use Each Framework

各框架适用场景

FrameworkUse When
ROIQuick sanity check; time value of money doesn't matter much
NPVMulti-year investments; gold standard for GO/NO-GO
IRRComparing projects competing for the same budget
Payback PeriodLeadership asks "how fast do we break even?"
TCOBuild vs. buy; total cost including hidden/ongoing costs
Sensitivity AnalysisHigh uncertainty; need to stress-test assumptions
分析框架适用场景
ROI快速合理性校验;资金时间价值影响不大的场景
NPV跨年度投资项目;是项目立项与否的黄金判断标准
IRR争夺同一预算的多项目对比
投资回收期管理层询问“多久能回本?”时
TCO自建vs外购决策;需包含隐性/持续成本的总成本分析
敏感性分析不确定性较高;需对假设条件进行压力测试时

Decision Tree

决策树

Is the investment multi-year?
  YES → Use NPV (+ IRR to compare alternatives)
  NO  → ROI is sufficient

Is this a build vs. buy decision?
  YES → TCO comparison across all three options
  NO  → Skip TCO, use NPV/ROI

Are assumptions uncertain?
  YES → Add sensitivity analysis (3 scenarios)
  NO  → Base case only
该投资是否为跨年度项目?
  是 → 使用NPV(+ 搭配IRR进行备选方案对比)
  否 → ROI已足够

是否为自建vs外购决策?
  是 → 针对三种方案(自建/外购/合作)开展TCO对比
  否 → 跳过TCO,使用NPV/ROI

假设条件是否存在不确定性?
  是 → 增加敏感性分析(设置3种场景)
  否 → 仅基于基准场景分析

Quick Reference Formulas

速查公式

ROI = (Net Benefits - Total Costs) / Total Costs × 100%

NPV = Sum(Cash Flow_t / (1 + r)^t) - Initial Investment
  r = discount rate (10% enterprise, 15-20% growth, 25-40% startup)
  Decision: Accept if NPV > 0

IRR = discount rate where NPV = 0
  Decision: Accept if IRR > hurdle rate

Payback Period = Initial Investment / Annual Cash Flow
  Benchmarks: SaaS 6-12 mo, Enterprise platform 12-24 mo, Infra 24-36 mo

TCO = CAPEX + (OPEX × years) + Opportunity Cost + Hidden Costs
ROI = (净收益 - 总成本) / 总成本 × 100%

NPV = Σ(第t期现金流 / (1 + r)^t) - 初始投资
  r = 折现率(企业级项目10%,增长型项目15-20%,初创企业25-40%)
  决策规则:若NPV > 0则接受项目

IRR = 使NPV = 0的折现率
  决策规则:若IRR > 最低要求回报率则接受项目

投资回收期 = 初始投资 / 年度现金流
  参考基准:SaaS项目6-12个月,企业级平台12-24个月,基础设施24-36个月

TCO = 资本支出 + (运营支出 × 年限) + 机会成本 + 隐性成本

Business Case Template

商业案例模板

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Business Case: [Project Name]

商业案例:[项目名称]

Executive Summary

执行摘要

[2-3 sentences: what we're investing in and expected return]
[2-3句话:说明投资标的及预期回报]

Financial Analysis

财务分析

Investment Required

所需投资

ItemOne-TimeAnnual
Development$X
License / SaaS$X
Implementation$X
Training$X
Maintenance$X
Total$X$X
项目一次性支出年度支出
开发成本$X
授权许可 / SaaS订阅$X
实施部署$X
培训成本$X
维护成本$X
总计$X$X

Expected Benefits

预期收益

BenefitAnnual ValueConfidence
Time savings (X hrs × $Y/hr)$XHigh
Error reduction$XMedium
Revenue uplift$XLow
Total$X
收益项年度价值置信度
时间节省(X小时 × $Y/小时)$X
错误减少$X
收入提升$X
总计$X

Key Metrics

核心指标

MetricValue
3-Year TCO$X
NPV (10% discount)$X
IRRX%
Payback PeriodX months
ROIX%
指标数值
3年TCO$X
NPV(10%折现率)$X
IRRX%
投资回收期X个月
ROIX%

Sensitivity Analysis

敏感性分析

ScenarioDiscount RateYear 1 BenefitsNPV
Base case10%$X$X
Conservative15%$X × 0.75$X
Optimistic8%$X × 1.25$X
场景折现率第一年收益NPV
基准场景10%$X$X
保守场景15%$X × 0.75$X
乐观场景8%$X × 1.25$X

Risk Analysis

风险分析

RiskProbabilityImpactMitigation
风险概率影响程度缓解措施

Recommendation

建议

[GO / NO-GO] — [one-sentence rationale]
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[立项 / 不立项] — [一句话理由]
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TCO: Build vs. Buy vs. Partner

TCO:自建vs外购vs合作

See rules/business-cost-benefit.md for the full 3-year TCO template and hidden cost checklist.
Key hidden costs to never omit:
CategoryBuildBuy
Opportunity costYes — team blocked from other workNo
Switching costsN/AYes — vendor lock-in
Downtime riskYou own uptimePartial SLA coverage
Security/complianceYour responsibilityShared
完整的3年TCO模板及隐性成本清单请查看 rules/business-cost-benefit.md
绝对不能遗漏的核心隐性成本:
类别自建外购
机会成本是 — 团队被占用无法开展其他工作
转换成本不适用是 — 供应商锁定风险
停机风险由己方负责可用性仅覆盖SLA约定范围
安全/合规由己方负责双方共同负责

Common Pitfalls

常见误区

PitfallMitigation
Simple ROI without time valueAlways use NPV for multi-year decisions
Ignoring soft costs (training, change mgmt)Add 30% buffer to implementation estimates
Optimistic benefit estimatesUse conservative estimates, document assumptions
Sunk cost included in forward analysisEvaluate future costs/benefits only
No sensitivity analysisAlways test conservative + optimistic scenarios
误区规避方法
仅使用简单ROI,忽略资金时间价值跨年度决策务必使用NPV
忽略软性成本(培训、变更管理)在实施预估中增加30%的缓冲
收益预估过于乐观使用保守预估,并记录所有假设条件
向前分析中包含沉没成本仅评估未来的成本与收益
未开展敏感性分析务必测试保守+乐观两种场景

References

参考资料

  • ROI & Financial Metrics — NPV, IRR, payback period formulas with code examples
  • Cost-Benefit & TCO — Build vs. buy TCO template, hidden costs, sensitivity analysis
  • ROI Calculation Guide — Detailed cost breakdown (CAPEX/OPEX/opportunity cost)
  • Build-Buy-Partner Decision — Scoring matrix across 5 dimensions
  • ROI & 财务指标 — 含代码示例的NPV、IRR、投资回收期公式
  • 成本效益与TCO — 自建vs外购TCO模板、隐性成本清单、敏感性分析
  • ROI计算指南 — 详细成本拆分(资本支出/运营支出/机会成本)
  • 自建-外购-合作决策 — 5维度评分矩阵

Related Skills

相关技能

  • ork:market-sizing
    — Size the opportunity before building the business case
  • ork:competitive-analysis
    — Assess competitive context and moat for the investment
  • ork:product-frameworks
    — Full product strategy toolkit (prioritization, OKRs, personas)

Version: 1.0.0
  • ork:market-sizing
    — 构建商业案例前先测算市场规模
  • ork:competitive-analysis
    — 评估投资项目的竞争环境与护城河
  • ork:product-frameworks
    — 完整产品策略工具包(优先级排序、OKRs、用户画像)

版本:1.0.0