I want to make a loaf of bread. To do this, I need to grow some wheat, grind it into flour, add yeast, and bake it.
**Economy of Scale** my bread making is established, but now I’m making a lot of bread. Instead of grinding the grains by hand, I look into a fancy windmill with a grinding wheel attached. This is much more expensive to build, but once it’s done I can grind nearly 10 times as much wheat without adding any more workers.
In short: scaling up means you can leverage processes and equipment that make it more efficient to produce, lowering the cost per loaf, increasing per loaf profit.
**Diseconomy of scale** my bread making is scaling up wonderfully, but if I want to expand and sell more bread, I need to figure out a way to get it away from my bakery and into more shops. I hire a crew of teamsters who put the bread into carts and carry it everywhere. I also start adding more preservatives – salt – to my bread to make it so that it can last longer in transport.
In short: when scaling up, new problems at scale emerge that increase the cost per loaf, reducing per loaf profit.
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