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. $$\begin{array}{l}
\text { Consumer price index with different base periods, Australia }\
\begin{array} { | c | c | c | }
\hline \text { Year } & \begin{array} { c }
\text { Baseperiod } \
( \mathbf { 1 9 8 0 } = \mathbf { 1 0 0 } )
\end{array} & \begin{array} { c }
\text { Base period } \
( \mathbf { 1 9 9 0 } = \mathbf { 1 0 0 } )
\end{array} \
\hline 1985 & 148.7 & \
\hline 1986 & 162.6 & \
\hline 1987 & 174.5 & \
\hline 1988 & 187.3 & \
\hline 1989 & 202.3 & 95.0 \
\hline 1990 & & 100.0 \
\hline 1991 & & 105.3 \
\hline 1992 & & 107.3 \
\hline
\end{array}
\end{array}$$

Question

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. $$\begin{array}{l}
\text { Consumer price index with different base periods, Australia }\
\begin{array} { | c | c | c | } 
\hline \text { Year } & \begin{array} { c } 
\text { Baseperiod } \
( \mathbf { 1 9 8 0 } = \mathbf { 1 0 0 } )
\end{array} & \begin{array} { c } 
\text { Base period } \
( \mathbf { 1 9 9 0 } = \mathbf { 1 0 0 } )
\end{array} \
\hline 1985 & 148.7 & \
\hline 1986 & 162.6 & \
\hline 1987 & 174.5 & \
\hline 1988 & 187.3 & \
\hline 1989 & 202.3 & 95.0 \
\hline 1990 & & 100.0 \
\hline 1991 & & 105.3 \
\hline 1992 & & 107.3 \
\hline
\end{array}
\end{array}$$

Quizplus · Accepted Answer

The Answer of 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. $$\begin{array}{l}
\text { Consumer price index with different base periods, Australia }\
\begin{array} { | c | c | c | } 
\hline \text { Year } & \begin{array} { c } 
\text { Baseperiod } \
( \mathbf { 1 9 8 0 } = \mathbf { 1 0 0 } )
\end{array} & \begin{array} { c } 
\text { Base period } \
( \mathbf { 1 9 9 0 } = \mathbf { 1 0 0 } )
\end{array} \
\hline 1985 & 148.7 & \
\hline 1986 & 162.6 & \
\hline 1987 & 174.5 & \
\hline 1988 & 187.3 & \
\hline 1989 & 202.3 & 95.0 \
\hline 1990 & & 100.0 \
\hline 1991 & & 105.3 \
\hline 1992 & & 107.3 \
\hline
\end{array}
\end{array}$$

The Following Are the Two CPI Series (One for 1985-1989