Definitions for "Production function"
the mathematical relation between the maximum output of a good and the amount of inputs needed to produce it.
A function that specifies the output in an industry for all combinations of inputs.
a relationship that shows the quantity of output for any given amount of input.
(p. 5) The equation that determines how much of a good is produced. A "time-invariant agricultural production function" is an equation that does not change in time and that shows how much food we can grow on a given amount of land. Here, Nordhaus is dissing Meadows et al., because they acknowledge that agricultural production changed in time without allowing it to change in their model
Keywords:  reallly, spend, bad, think, pretty
a pretty bad way to think about industrial production, but a reallly bad way to think about other things people spend their money on
a succession curve, a picture of the likely transition of a single resource of interest over time