"Australians regularly pay more for their bananas compared to say a country like Germany where they don't even grow bananas,"

The price difference between cars in Australia and abroad can be enormous.

"One example is a top-end-of-the-market Mercedes we found here for $360,000 and in Britain you could get the exact same car for $110,000."

When it comes to housing affordability in Australia, Dr Hartwich says government is almost entirely to blame.

"We've got so much land we could theoretically develop so there should never be a housing shortage in Australia."

So that's why people say Australia is a "lucky" country.