The idea that, at some point in the future, humans will be unable to produce enough food to feed the ever-expanding population is called the .

Malthusianism

Explanation:

Malthusian catastrophe also called Malthusianism, Malthusian check, Malthusian spectre or Malthusian crisis was developed by Thomas Robert Malthus in his essay on "The Principle of Population". According to Malthus, malthusianism occurs when population growth is more than agricultural production.

He posited that the growth of population is exponential while the growth of food supply is linear. He said some checks such as delayed marriage and abstinence were put in place in order to keep population growth with the growth of food supply.

give each new client a copy of his balance sheet

Explanation:

Note that an investment advisor manages the money or financial assets of their clients such as stocks, bonds, and mutual funds—and then buy, sell, and monitor them as directed by the clients.

According to the Investment Advisors Act of 1940 a federal law which defines the role and responsibilities of an investment advisor/adviser, in such a scenario the investment advisor would provide each new client a copy of his balance sheet.