| | Consumption function - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-21) |
 | | John Maynard Keynes developed a mathematical function to express consumer spending as one term called the "consumption function". |
 | | The marginal propensity to consume (MPC), on the other hand measures the rate at which consumption is changing when income is changing. |
 | | In a geometric fashion, the MPC is actually the slope of the consumption function. |
| www.sciencedaily.com /encyclopedia/consumption_function (221 words) |