A socio-ecological system consists of 'a bio-geo-physical' unit and its associated social actors and institutions.
Contribution Margin. Contribution margin is a productâs price minus all associated variable costs, resulting in the incremental profit earned for each unit sold. The total contribution margin generated by an entity represents the total earnings available to pay for fixed expenses and to generate a profit. The contribution margin concept is useful for deciding whether to allow a lower price in special pricing situations.
The contribution margin is the difference between a company's total sales revenue and variable costs in units. This margin can be displayed on the income statement. The contribution margin is the difference between a company's total sales revenue and variable costs in units. This margin can be displayed on the income statement. Accounting Topics