Gross profitability margin (difference between retail and wholesale prices) for unleaded petrol exhibits substantial variations across 108 cities, towns and regional centres in Australia. This paper examines if such variations (averaged during 2007–2012) can be explained by (a) transport costs...

This study addresses a very significant policy issue not previously examined at a disaggregated level for Australia by identifying on which day(s) petrol is more expensive and in which locations discount days are non-existent. After conducting a time series analysis of the day of the week effect...