Economies of Agglomeration
Economies of agglomeration are the cost and skill advantages firms get by locating near others in the same trade - shared suppliers, a trained labour pool, and knowledge that moves faster between neighbours than between strangers.
Reach for this when…
- You're running everything in-house because there's no local ecosystem to lean on.
- A competitor near a trade cluster keeps underpricing you on the same product.
- You're choosing where to locate a new site and cost isn't the only variable.
How to run it
- Map where your trade already clusters: suppliers, rivals, specialist labour.
- Assess what shared infrastructure and labour pool you'd actually gain by moving closer in.
- Weigh that gain against higher local costs - rent, wages, competition for the same staff.
- If clustering, deliberately tap the ecosystem: join trade bodies, hire locally trained talent, use local specialist suppliers.
- If already in a cluster, defend your position by differentiating rather than competing purely on price.
A worked example
Situation. Ayesha Khan runs Khan Garments, a small garment manufacturer outside Lahore, Pakistan.
Applied. Working two hours from the established garment district, she paid for her own dyeing and finishing that firms inside the cluster shared through local subcontractors. She moved production into the district, tapping shared dye houses and a trained machinist labour pool instead of running everything in-house.
Result. Her per-unit finishing cost dropped and she could fill rush orders using capacity she didn't own. Competing for the same skilled machinists as her new neighbours got harder in return.
The catch
Agglomeration concentrates you in one place - a flood, a land price shock, or a downturn in that trade hits every firm in the cluster at once. Sitting inside the cluster also doesn't guarantee you benefit from it; you have to actually plug into the shared suppliers and labour market, not just share a postcode.
Proximity is not participation - being inside the cluster and never using its shared resources gets you the rent, not the benefit.
Origin: Alfred Marshall; Michael Porter (clusters)