DDBA 8161 Week 11 Strategy Defense Paper Example

Six Years of Protection and What Ends It: A Strategy Defense Arguing That a Precision Machining Shop's Part Qualifications and the Systems Around Them Will Hold Off a Well-Funded Rival, With the Strongest Objection Answered

Student Name

Walden University

DDBA 8161: Business Strategy and Innovation for Competitive Advantage

Instructor Name

Month Day, Year

Six Years of Protection and What Ends It: A Strategy Defense Arguing That a Precision Machining Shop's Part Qualifications and the Systems Around Them Will Hold Off a Well-Funded Rival, With the Strongest Objection Answered

Abstract

This paper argues that Northfield Precision, a composite 52-person machining shop near Wichita that makes flight-critical parts for two aerospace manufacturers, holds a competitive advantage that a better-funded rival could not erase in less than about six years. The advantage rests not on machines, which any rival can buy, but on qualifications for 14 part families, a six-year on-time delivery record and a system of shop practices that depend on one another. The paper states the strongest objection, that superior performance rarely lasts and that a determined rival could buy its way in, and answers it. It closes by naming the developments that would end the advantage when its years run out.

The Position

Northfield's advantage will hold for roughly six years against a well-funded rival entering its part families. Six years is the time a rival would need to qualify on enough of Northfield's parts, build a comparable delivery record and assemble working practices of similar quality. After that, the advantage depends on whether Northfield has moved ahead in the meantime.

What the Advantage Is

The Week 3 audit sorted Northfield's resources into three bands. The first, machines, software and certifications, could be bought by any rival within about eighteen months. The second consisted of stocks built over time: qualification on 14 part families through first-article inspections and customer source approvals, a 99.2 percent on-time record over six years and process histories from thousands of runs. The third was a scrap rate on titanium parts of about 2 percent that the shop's own staff cannot fully explain. Dierickx and Cool (1989) argued that stocks like the second band resist imitation because the time required to build them cannot be compressed, and Reed and DeFillippi (1990) argued that when no one can say exactly what produces a result, as with the third band, money alone cannot buy a copy.

Why the Parts Fit Together

The advantage is stronger than any single resource because Northfield's practices depend on one another. Its scheduling holds back machine time for qualification trial runs, which lets it qualify new parts faster than shops that schedule only for production. Its inspection habit, halting a job the moment a cutter begins to chatter, protects its scrap rate and its delivery record at once, because scrapped parts are what make deliveries late. Its process histories make both possible, because setup sheets from earlier runs let machinists hold tolerances on the first try. Rivkin (2000) showed through formal modeling that strategies built from many interacting choices are much harder to imitate than strategies built from independent ones, because a rival who copies most of the choices but gets a few wrong may perform worse than if it had copied none. A rival that bought Northfield's machines and hired two of its machinists would hold pieces of a system whose value comes from how the pieces fit.

Why Six Years

The figure comes from adding the time each element would take a well-funded rival. Qualification is the longest. Each aerospace customer limits how many new suppliers it qualifies in a year, and each part family requires months of trial runs. Northfield's two customers have qualified about three new suppliers per year across all their part families. A rival targeting Northfield's 14 families would need, at a realistic pace, four to six years to qualify on most of them. A delivery record that customers trust takes at least three years to establish. Process knowledge accumulates alongside. Allowing for some overlap, six years is a reasonable central estimate, with a range of four to eight.

The Strongest Objection

The objection, stated at full strength, is that advantages like this rarely last as long as their owners believe. Wiggins and Ruefli (2002), examining the performance of thousands of firms over decades, found that superior performance persisted in only a small share of firms and that the periods of persistence were growing shorter. A determined rival need not imitate Northfield piece by piece. It could acquire an already-qualified shop, poach Northfield's most experienced staff or persuade a customer to dual-source to reduce its dependence on one supplier. Any of these could shorten six years considerably.

Answering the Objection

The objection is right about the general pattern and right that acquisition is the fastest route. It is weaker in this case for three reasons. First, few shops hold qualifications on the same part families; the customers' supplier lists show two, both family-owned and both smaller than Northfield. Acquiring one would give a rival some of the families, not all, and the acquired shop's delivery record would come with it, whatever its quality. Second, poaching staff would carry away pieces of the system but not the system; the modeling by Rivkin (2000) suggests partial copying can leave the copier worse off. Third, dual sourcing is a real risk, but customers dual-source part by part, and each new source still has to qualify. The pattern Wiggins and Ruefli (2002) reported describes averages across industries; aerospace supply, with its qualification barriers, is one of the settings where persistence should be longer than average. The objection lowers confidence in the upper end of the range, not the central estimate.

What Ends the Advantage

Three developments would end it. If either customer moves a large share of these parts to additive manufacturing, the qualifications for machined versions lose value. If a customer consolidates suppliers and chooses a larger rival with broader capabilities, Northfield's depth in 14 families may not outweigh a rival's breadth across 60. And if Northfield's experienced machinists retire without passing on their practices, the hard-to-see part of the advantage would leave with them.

Implications

Northfield should spend its six years on three things: qualifying on new part families before rivals do, documenting its practices without losing the habits that make them work and building some capability in additive manufacturing so the end of one advantage can be the start of another.

References

Dierickx, I., & Cool, K. (1989). Asset stock accumulation and sustainability of competitive advantage. Management Science, 35(12), 1504-1511. https://doi.org/10.1287/mnsc.35.12.1504

Reed, R., & DeFillippi, R. J. (1990). Causal ambiguity, barriers to imitation, and sustainable competitive advantage. Academy of Management Review, 15(1), 88-102. https://doi.org/10.5465/amr.1990.4308277

Rivkin, J. W. (2000). Imitation of complex strategies. Management Science, 46(6), 824-844. https://doi.org/10.1287/mnsc.46.6.824.11940

Wiggins, R. R., & Ruefli, T. W. (2002). Sustained competitive advantage: Temporal dynamics and the incidence and persistence of superior economic performance. Organization Science, 13(1), 81-105. https://doi.org/10.1287/orsc.13.1.81.542