What’s more centralized mass-production industry is highly inefficient, compared to the Emilia-Romagna or Shenzhen model of lean manufacturing using general-purpose tools for craft production and frequently switching between small batches of different products on a demand-pull basis. Mass-production industry uses extremely expensive, product-specific machinery in large batches, which drastically lowers unit costs per machine. But the enormous overhead from capital outlays mandates fully utilizing capacity to amortize those outlays — which in turn mandates all the diseconomies of supply-push distribution to ensure the full output is consumed whether people want it or not. That includes in-process inventory between machines on the assembly line, a warehouse full of finished goods there’s no order for, enormous costs of high-pressure mass advertising, and landfills full of stuff built to fall apart so people will buy more and keep the wheels turning.
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