marginal propensity to consume–poorer people marginal propensity to consume marginal propensity to consume–poorer people Marginal Propensity to Consume marginal propensity Investopedia: propensión marginalpara consumir marginal propensity to consume Investopedia: Propensão marginal a consumir [em inglês] marginal propensity to consume marginal propensity to consume–poorer people marginal propensities to consume marginal propensity to consume–poorer people marginal propensity to consume