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Consider a regression in which = - 1.5 and the standard error of this coefficient equals 0.3.To determine whether x₂ is a significant explanatory variable, you would compute an observed t-value of - 5.0.
Public Good
A good or service offered to every member of a community free of charge, supplied either by the government or a non-profit private entity.
Excludable
A characteristic of a good or service that allows owners or producers to prevent its use by people who have not paid for it.
Nonpayers
Individuals who benefit from a good or service without contributing to its cost, often associated with public goods.
Nonrival in Consumption
A characteristic of some goods or services where one person's consumption does not reduce availability for others.
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