Question

___ is concerned with the
measurement of price changes over a period
of years, when it is desirable to shift the base

Answer 1

Answer:

what is concerned with the measure of price change over a period of your

Answer 2

Answer:

Circular Test

Step-by-step explanation:

For example, if the 1970 index with base 1965 is 200 and 1965 index with base 1960 is 150, the index 1970 on base 1960 will be 300.