i. The following table presents data on wholesale gas prices for the major capital cities in 

the Eastern-half of Australia, from 2011-12 to 2022-23. Use this data to construct a

single, time-series chart of gas prices for the 4 capital cities. Ensure you give your chart a

descriptive title, axis labels, a key and a source at the base of the graph.

(3 marks)

ii. Comment on the pattern of wholesale gas prices over time, highlighting any major features you observe in your chart.

(2 marks)

iii. The following references discuss the factors that have contributed to the rising price of

gas in the Australian (and international) markets. Use these references to prepare a list

of demand and supply-side factors affecting the Australian gas market. Provide a brief

explanation of how these factors are affecting the Australian gas market.

Australia's gas prices are surging. How did we get here and what is being done about it? |

SBS News

Price Stability, the Supply Side and Prosperity | Speeches | RBA

Why are gas and electricity prices going up? | Climate Council

(3 marks)