People here are calling the Low Hanging Fruit hypothesis the "Law of Diminishing Returns" (LDR), but I have found no evidence to back up this usage of the term. Here are some definitions of the LDR, as it is found in economics:
"in economics, law stating that if one factor of production is increased while the others remain constant, the overall returns will relatively decrease after a certain point." http://www.bartleby.com/65/di/diminish.html
"When increasing amounts of one factor of production are employed in production along with a fixed amount of some other production factor, after some point, the resulting increases in output of product become smaller and smaller." http://www.auburn.edu/~johnspm/gloss/di ... rns_law_of
The LDR describes a short-term phenomenon, and does not apply when all the factors of production are increased, or when there are significant changes in technology. My impression is that economists are making a distinct point of not subscribing to the Low Hanging Fruit hypothesis because it isn't true.
Here's one example: According to Low Hanging Fruit, it was easier to catch tuna in the year 1550 than it is now, using sonar and massive nets.
Here's another:
If the extraction of commodities becomes harder and harder by the year, then why do they keep getting cheaper and cheaper?

Here's another from Gillett's nanotech paper (thanks Lorenzo!):
"The extraordinary decrease in the cost of computing over the last few decades has already had a significant effect: the cost of domestic [oil] production since 1984 has dropped from $14 to $4/bbl, largely through information technologies (Paul, 2001)." http://www.foresight.org/impact/GillettWhitePaper.txt
This is backed up by the data. Over the long-term, oil has gotten cheaper to find:
http://www.eia.doe.gov/emeu/25opec/img010.gif
http://www.eia.doe.gov/emeu/25opec/sld010.htm
And to lift:
http://www.eia.doe.gov/emeu/finance/hig ... img008.gif
http://www.eia.doe.gov/emeu/finance/hig ... sld008.htm
So let's cut through the crap here. Those of you claiming that the Low Hanging Fruit hypothesis is valid need to provide some studies/citations to support it. It is not the Law of Diminishing Returns which economists adhere to.





