What are the units on the axes on this graph? They are not labeled. In particular, does the X-axis represent income or consumption? And, if income, how is the consumption calculated? --75.52.240.203 (talk) 01:32, 15 July 2008 (UTC)
- I'm pretty sure it is lifetime income, which essentially is consumption. The description references the study where the data was derived. Morphh (talk) 15:17, 15 July 2008 (UTC)