Tadeusz Mieczysław Rybczyński (also Rybczynski; 1923–1998) was a

Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwr ...

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

economist An economist is a professional and practitioner in the social sciences, social science discipline of economics. The individual may also study, develop, and apply theories and concepts from economics and write about economic policy. Within this ...

who is known for the development of the

Rybczynski theorem The Rybczynski theorem was developed in 1955 by the Polish-born English economist Tadeusz Rybczynski (1923–1998). It states that at constant relative goods prices, a rise in the endowment of one factor will lead to a more than proportional expans ...

(1955). He studied at the

London School of Economics , mottoeng = To understand the causes of things , established = , type = Public research university , endowment = £240.8 million (2021) , budget = £391.1 millio ...

. Soon after discovering his famous theorem, he joined Lazard and spent the rest of his career there as an investment banker.

References

1923 births 1998 deaths British people of Polish descent 20th-century British economists Alumni of the London School of Economics Academics of the London School of Economics {{UK-economist-stub