John Daley looks at how Australasian economies and cities are changing. Despite mining and agricultural booms, economic activity is gravitating towards big cities and their centres. These new patterns create challenges: longer commutes; geographic divides that limit opportunities for both businesses and individuals; and put social fabric under strain.

To make the most of 21st century urbanisation - and share the benefits fairly, there need to be reforms to planning, transport and taxation. These are the core of the reform agenda for our times.