Bigger can be cheaper per unit, up to a point.
The Idea
Economies of scale occur when average cost falls as volume rises, usually because fixed costs spread over more units or because volume buys negotiating power. The idea is as old as modern economics. In the opening chapter of The Wealth of Nations (1776), Adam Smith described a pin workshop where ten workers, each specializing in a few steps, made upwards of 48,000 pins a day. Working alone, he wrote, each could perhaps not have made twenty. Specialization, standard processes, and volume remain the sources of scale advantage today.
Diseconomies of scale appear when growth adds coordination costs, complexity, or dependency faster than it cuts unit costs. Fred Brooks described one cause in The Mythical Man-Month (1975): the number of communication channels in a team grows faster than its headcount, so 50 people have 1,225 possible channels to maintain. Large estates, contracts, and vendor relationships carry the same kind of overhead.
In ITAM Terms
Consolidating purchases, vendors, and platforms is one of the most reliable levers in ITAM. Enterprise agreements, standard hardware catalogs, and centralized procurement all exist to capture scale. The flip side is commitment, reduced flexibility, and concentration risk.
Where You’ll See It
- Software: Enterprise agreements trade lower unit prices for an organization-wide volume commitment, whether every unit gets used or not. The FinOps Foundation’s Licensing & SaaS capability covers tracking usage against contract thresholds, with ITAM and SAM teams supplying the license and usage data.
- Hardware: Standardizing on a few laptop models cuts unit price, spare parts, imaging effort, and support training. The savings grow with fleet size, but so does the cost of a standard model that turns out to be a poor fit.
- Cloud: Committed-spend agreements reward volume, but only if you actually consume what you committed to. In billing data that follows the FOCUS specification, the Commitment Discount Status column separates the used portion of a commitment from the unused portion, so idle commitment appears as a cost of its own.
- AI: Pooling token purchases across teams can unlock better rates than a dozen departmental contracts. A central agreement also gives you one view of total usage, which is the data you need before the next negotiation.
Governance Takeaway
Capture scale deliberately, and measure it rigorously. A 30 percent discount on volume you don’t use isn’t a saving: at 70 percent utilization, you pay list price for every unit you use. As a rule of thumb, the utilization at which a volume discount breaks even is one minus the discount. Pair consolidation with usage tracking, and watch for the point where concentration risk or lost flexibility outweighs the discount.
Concentration risk is real. In July 2024, a faulty update to one widely deployed security product affected an estimated 8.5 million Windows devices, according to Microsoft. That was less than 1 percent of all Windows machines, yet enough to cause widespread disruption. Standardization makes estates cheaper to run; it also means one failure can reach everything at once.
Try This
Count the contracts you hold for functionally similar tools (file sharing, diagramming, project management). What would consolidating to one or two save, and what would it cost in migration and flexibility?
