A firm specializing in the collection of debts on behalf of other firms. Such firms need skills in tracing the addresses of debtors, discovering whether they have concealed assets, and bringing pressure to bear to make debtors who can pay do so. This may involve legal proceedings, or publicity to make it more difficult for defaulters to obtain credit from other lenders.

• marginal
• marginal benefit
• marginal cost
• marginal cost pricing
• marginal efficiency of capital
• marginal firm
• marginal land
• marginal physical product
• marginal private cost
• marginal product
• marginal productivity of capital
• marginal propensity to consume
• marginal propensity to import
• marginal propensity to save
• marginal rate of substitution
• marginal rate of technical substitution
• marginal rate of transformation
• marginal revenue
• marginal revenue product
• marginal social benefit
• marginal social cost
• marginal tax rate
• marginal utility
• marginal utility of money
• marginal utility of wealth