CHAPTER 3 – Market Potential, Demand & Share (MBM)

Scope of Chapter 3

• Focuses on the three critical market metrics that every marketing plan must master:
• Market Potential – the ceiling on total possible demand.
• Market Demand – the portion of that ceiling currently being realised.
• Market Share – the slice of current demand captured by one firm.
• Roger J. Best stresses that without accurate measures of these metrics, a firm cannot gauge performance, optimise budgets, or adjust to market change.
• Jack Welch quotation reminds managers to avoid a narrow, product-centred view.

1. Defining Market Space & Estimating Market Potential

• Broad vs. Narrow Market Definition
• Narrow focus limits opportunity and produces “marketing myopia” (Theodore Levitt).
• Broad vision includes substitute products and unmet needs → greater growth options.
• Served Market – first delineate geographic boundaries and consuming units (individuals, households, firms).
• Market Potential (MP)
• “Maximum number of units that can be consumed by the population at a point in time.”
• Dual expression: unit potential and dollar potential.
• Estimation relies on logic + assumptions because true ceiling is unknown until new tech/price shocks occur.
• Formulaic Framework
• MP<em>units=Number of consuming units×Buying ceiling (%)×Usage rateMP<em>{units}=\text{Number of consuming units}\times\text{Buying ceiling (\%)}\times\text{Usage rate} • MP</em>$=MPunits×Average priceMP</em>{\$}=MP_{units}\times\text{Average price}
• Illustrative Calculations
• Soft-drinks (USA): 300 M people×0.80×365×$1=$87.6B300\,\text{M people} \times 0.80 \times 365 \times \$1=\$87.6\text{B}
• Flat-panel TVs (USA): 120 M households×0.80×0.20×1×$500=$9.6B120\,\text{M households} \times 0.80 \times 0.20 \times 1 \times \$500=\$9.6\text{B}
• Global PCs: potential 450 M units/yr; 2010 demand 325 M (≈72 % of potential). Dell’s share 12.8 %.

2. Market Potential, Demand & the Product Life-Cycle (PLC)

• Relationship graphic: MP (top) → Actual Demand → A firm’s Share.
• When demand saturates, finding new customers is difficult unless technology, price, or use-case shifts reset the ceiling.
• PLC stages & Net Marketing Contribution (NMC):
• Intro: low volume, high marketing & sales expenses (MSE) → negative NMC.
• Growth: volume surges, prices/margins fall, MSE rise but NMC turns positive.
• Maturity: volume plateaus, margins thin, MSE as % sales flatten, NMC peaks then declines.
• Decline: demand shrinks; unless revitalised, product exits.
• Estimating future demand: project growth rate over 3-year horizon, then compute MDIMDI (see below).

3. Diffusion of Innovation & the Tipping Point

• Adopter Categories (% of population):
• Innovators 2.5 % → Early Adopters 13.5 % → Early Majority 34 % → Late Majority 34 % → Laggards 16 %.
• Tipping Point: threshold where an idea/tech spreads explosively.
• Lead Customers (innovators + early adopters):
• Knowledgeable, benefit-driven, less price-sensitive, indifferent to social proof.
• Capturing them is essential to pull the market across the chasm.
• Complete Solution Imperative: Each adoption stage re-defines “complete solution” → product & service mix must evolve.

4. How Innovation Alters Market Potential

• Three Technological Innovation Types
• Continuous – incremental upgrades (e.g., smartphones, TVs).
• Disruptive – cheaper/smaller/easier products (e.g., quartz watches vs. mechanical).
• Discontinuous – wholesale tech shift with new benefits (e.g., film → digital photography).
• New tech often goes unnoticed until tipping point, then advances via continuous innovation.

5. Forces Shaping Market Growth

• Market Development Index (MDI) – gauges how far a market is from its potential:
• MDI=(Current DemandMarket Potential)×100%MDI=\big(\frac{\text{Current Demand}}{\text{Market Potential}}\big)\times100\%
• Interpretation bands:
• <33 % – high growth runway. • 33–67 % – growth via product improvements, wider distribution, price cuts. • >67 % – growth harder; strong barriers to full penetration.
• Five Customer Adoption Forces

  1. Felt need.

  2. Perceived risk.

  3. Decision complexity.

  4. Observability.

  5. Trialability.
    • Five Product Adoption Forces

  6. Benefit advantage.

  7. Affordability.

  8. Ease-of-use.

  9. Performance reliability.

  10. Availability/distribution reach.
    • Higher combined scores → faster penetration (illustrated by Best’s scatter charts).

6. Achieving & Diagnosing Market Share

• Sales Upper-Limit Formula Sales (units)=Market Demand×Market Share\text{Sales (units)}=\text{Market Demand}\times\text{Market Share}
• Market Share Performance Tree
• Sequential customer journey steps (awareness → interest → trial → repeat, etc.).
• Each step quantifies leakage; multiplying retained percentages yields Market Share Index (MSI).
• MSI is diagnostic – rarely equals actual share but highlights performance gaps.
• Share Potential Index (SPI) – hypothetical MSI assuming superior performance at each node.
• Share Development Index (SDI)
• SDI=MSISPI×100%SDI=\frac{MSI}{SPI}\times100\%
• Indicates how much of potential share the firm already captures.

7. Combining Market & Share Metrics for Strategy

• Growth Opportunity Portfolio (Best)
• Plot MDI vs. SDI:
• Low MDI, Low SDI → “Greenfield” (develop market & share).
• Low MDI, High SDI → “Market expansion” (focus on demand creation).
• High MDI, Low SDI → “Share battle” (steal share).
• High MDI, High SDI → “Harvest/Defend.”
• Adding MDI & SDI to rolling sales forecasts (Tool 3.4) clarifies realistic growth paths.

8. Numerical & Example Recap

• PC example: MDI=325M450M≈72%MDI=\frac{325\text{M}}{450\text{M}}\approx72\% (mature market). Dell share 12.8 %.
• Hypothetical MDI projection: 60 % developed after 3 yrs under slow growth scenario; 80 % under faster scenario.
• Net Marketing Contribution turns positive when volume scale offsets margin erosion (PLC graph).

9. Strategic, Ethical & Practical Implications

• Narrow definitions risk ignoring adjacent markets and unmet societal needs (ethical myopia).
• Overestimating market potential can lead to over-capacity, waste, and investor losses.
• Underestimating potential can stifle innovation and deny consumers beneficial technology.
• Diffusion frameworks highlight inclusivity issues: laggards may lack resources or education; marketers should avoid exploitative pricing.

10. Key Takeaways

• Start with broad market vision to spot substitutes and white-space.
• Quantify MP, MD & MS rigorously; they anchor planning, budgets, and forecasts.
• Use MDI to judge room for market development; use MSI/SPI/SDI to diagnose share performance.
• Understand diffusion dynamics; win lead customers early and present a "complete solution" to cross the chasm.
• Align innovation type (continuous, disruptive, discontinuous) with lifecycle strategies.
• Integrating MDI and SDI provides a balanced roadmap for revenue growth and resource allocation.