# Index number theory

**Index number theory** is a field of economics that studies index numbers.

Names I keep seeing: Diewert, Balk, Summers, Heston, Geary, Khamis, Sergeev.

**Index number theory** is a field of economics that studies index numbers.

Names I keep seeing: Diewert, Balk, Summers, Heston, Geary, Khamis, Sergeev.