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Why don't stars less massive then type M exist?
Third Unit
In economic terms, it refers to purchasing or producing a third unit of a good or service, often discussed in the context of marginal analysis.
Socially Optimal
A state or outcome of an economic or social process that maximizes societal welfare, taking into account all costs and benefits to society.
Fair-Return
A principle whereby regulated entities are allowed to set prices that cover their costs and provide a reasonable profit.
Price-Discriminating
A pricing strategy where a seller charges different prices for the same product or service to different customers based on various factors.
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