It's economically unjustifiable to extend Canberra's light rail network

Trams are old-fashioned. Electric buses are cheaper and more flexible. 

The IMF recently advised Australian governments to slow down infrastructure spending to curb inflation.

The alternative is to leave the heavy lifting to home owners with mortgages. The latest interest rate increase by the Reserve Bank delivers a potent message to light rail pundits: can Canberra afford to push on?