When technological growth and innovation is halted over a protracted period, the CPI bias problem is likely to persist is substitution bias.
Substitution bias is known to be that which connote or is found in economic index numbers when they do not input data on consumer expenditures moving from expensive products to cheap ones as a result of the change in prices changed.
This kind of bias takes place when prices for items alters when compared to one another and as As time moves on some prices rise more than others.
Learn more about substitution bias from
https://brainly.com/question/25492027
