Laspeyrenindeksiä
Laspeyrenindeksiä, often referred to as the Laspeyres index, is a price index formula used in economics to measure the change in prices over time. It is named after the German economist Étienne Laspeyres, who developed it in the late 19th century. The index is calculated by comparing the cost of a basket of goods and services in the current period to the cost of the same basket in a base period. The base period is a reference point in time against which price changes are measured.
The formula for the Laspeyres index involves summing the products of the quantity of each good in
A key characteristic of the Laspeyres index is that it uses fixed quantities from the base period