The Following Are the Two CPI Series (One for 1985-1989 $\text { Consumer price index with different base periods, Australia }$

question 12

Essay

The following are the two CPI series (one for 1985-1989 with base 1980 = 100 and the other for 1989-1992 with base 1990 = 100) published in various issues of ABS publications. Create a new CPI series for the period 1985-1992 with 1990 as the base year. $\text { Consumer price index with different base periods, Australia }$
$\begin{array}{|c|c|c|}\hline \text { Y ear } & \begin{array}{c}\text { Base period } \\(\mathbf{1 9 8 0}=\mathbf{1 0 0})\end{array} & \begin{array}{c}\text { Base period } \\(\mathbf{1 9 9 0}=\mathbf{1 0 0})\end{array} \\\hline 1985 & 148.7 & \\\hline 1986 & 162.6 & \\\hline 1987 & 174.5 & \\\hline 1988 & 187.3 & 95.0 \\\hline 1989 & 202.3 & 100.0 \\\hline 1990 & & 105.3 \\\hline 1991 & & 107.3 \\\hline 1992 & & \\\hline\end{array}$

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Definitions:

Bronchial Constriction

The narrowing of the bronchi in the lungs due to the tightening of surrounding smooth muscle, often as a response to asthma or other respiratory conditions.

Pulmonary Emphysema

A chronic respiratory disease characterized by the destruction of the air sacs in the lungs, leading to difficulty in breathing.

Cigarette Smoking

The act of inhaling and exhaling the smoke produced by burning tobacco contained in cigarettes, which is harmful to health.

Respiratory System

The body system that carries on gas exchange; in vertebrates, consists of the lungs and airways.