<span>I took this before, it's a firm that is the sole, government-designated provider of electricity, and an example of a public enterprise is the government directly providing sewage service.
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Answer:
A production possibility frontier (PPF) illustrates the combinations of output of two products that a country can supply using all of their available factor inputs in an efficient way. One way the PPF can shift outwards is if there is an increase in the active labour supply