The speaker says the Simon-Ehrlich bet is commonly presented as showing that Ehrlich's Malthusian worldview was wrong because he underestimated how markets and human ingenuity can conserve scarce resources.

“And this is a very famous bet because it's supposed to illustrate how”

“how Ehrlich's Malthusian worldview was wrong, and how he did not anticipate the way in which market signals and human ingenuity can find better ways to economize scarce inputs.”