Examlex
The second-stage in the Heckman selection correction is including the _____ in the second-stage regression to control for the potential sample-selection bias.
Sales
The total revenue generated from goods or services sold by a company during a specific period.
Contribution Margin Ratio
The ratio of contribution margin to sales revenue, indicating the percentage of each sales dollar available to cover fixed costs and generate profit.
Break-even Point
The level of sales at which total revenues equal total costs, resulting in no profit or loss.
Net Loss
The amount by which total expenses exceed total revenues in a given period, indicating that a company spent more than it earned.
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