The Malthusian theory was supported by many people, but 19th-century sociologist Karl Marx claimed that poverty and hunger was a result of the capitalist economy, not population growth. He argued that food supplies would keep pace with population growth if wealth was distributed fairly.Click to see full answer. Besides, what did Thomas Malthus say about overpopulation?With the publications of Thomas Malthus’ An Essay on the Principle of Population, the view on human population growth was altered. Malthus believed that the human population exhibits exponential growth, which is when the increase is proportional to the amount already present.Similarly, which of the following best describes Thomas Malthus’s theory on population growth? Known for his work on population growth, Thomas Robert Malthus argued that, left unchecked, a population will outgrow its resources. He discussed two ways to ‘check’ a population: preventive checks, like the moral restraint of postponing marriage, or positive checks, like famine, disease and warfare. Also to know, what is Thomas Malthus theory on population? The Malthusian Theory of Population is a theory of exponential population growth and arithmetic food supply growth. Thomas Robert Malthus, an English cleric, and scholar, published this theory in his 1798 writings, An Essay on the Principle of Population. These checks would lead to the Malthusian catastrophe.What are the theories of population growth?Demographic Theories. Sociologists have long looked at population issues as central to understanding human interactions. Below we will look at four theories about population that inform sociological thought: Malthusian, zero population growth, cornucopian, and demographic transition theories.