Malthus's

That day's lecture was on Malthus's theory that human populations would reproduce like rabbits until their density per acre of land reduced their wage to a bare subsistence level where an increased death rate came to equal the birth rate.

How I Became an Economist 2010

If people who take Malthus's theories seriously have fewer children, maybe we're eliminating gullibility genes.

Dysculturation?, Bryan Caplan | EconLog | Library of Economics and Liberty 2009

Today's 7 billion could never survive on the amount of food grown in Malthus's day.

Cary Fowler: Feeding an Ever-growing Population Cary Fowler 2011

Today's 7 billion could never survive on the amount of food grown in Malthus's day.

Cary Fowler: Feeding an Ever-growing Population Cary Fowler 2011

The smarter ones acknowledge that Malthus's ominous warnings about a growing population outstripping the food supply were not borne out in his day.

And Baby Makes Seven Billion William McGurn 2011

Note from the Econlib Editor: Let me suggest reading any of the original and definitive editions of Malthus's Essay on the Principles of Population online:

The Upside of Asia, Bryan Caplan | EconLog | Library of Economics and Liberty 2009

Here is a nice survey of Malthus's theories; link.

Archive 2009-07-01 Daniel Little 2009

Malthus's position in the two essays is somewhat different.

Malthus blogging on the Corn Laws Daniel Little 2009

Malthus's striking and extreme original example of the ability of food production to expand--at its maximum--less quickly than human reproduction could expand--at its maximum!

The Upside of Asia, Bryan Caplan | EconLog | Library of Economics and Liberty 2009

Malthus's evident point was not about any limit to population.

The Upside of Asia, Bryan Caplan | EconLog | Library of Economics and Liberty 2009