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.
Product Revenue-Product Variable Costs Product Revenue. The phrase contribution margin can also refer to a per unit measure of a product's gross operating margin, calculated simply as the product's price minus its total variable costs.REAKING DOWN 'Contribution Margin'. Consider a situation in which a business manager determines that a particular product has a 35% contribution margin, which is below that of other products in the company's product line.