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TABLE 15-6
Given below are results from the regression analysis on 40 observations where the dependent variable is the number of weeks a worker is unemployed due to a layoff (Y) and the independent variables are the age of the worker (X₁), the number of years of education received (X₂), the number of years at the previous job (X₃), a dummy variable for marital status (X₄: 1 = married, 0 = otherwise), a dummy variable for head of household (X₅: 1 = yes, 0 = no) and a dummy variable for management position (X₆: 1 = yes, 0 = no).
The coefficient of multiple determination (R) for the regression model using each of the 6 variables Xⱼ as the dependent variable and all other X variables as independent variables are, respectively, 0.2628, 0.1240, 0.2404, 0.3510, 0.3342 and 0.0993.
The partial results from best-subset regression are given below:
-Referring to Table 15-6, the variable X₁ should be dropped to remove collinearity.
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.
Marginal Cost
The additional cost incurred by producing one more unit of a product or service, a key concept used in decision-making and pricing strategies.
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