"Cum merge economia?"

Translation: How does the economy go?

[odt5]

I think "How is the economy doing" is a better translation for this. Asking how the economy is going makes it sound like the person being asked the question is creating or running/managing the economy.

[nickbii]

A literal translation actually works pretty well. "How goes the xxx?" is a valid (if informal) way of asking how something is doing.

[KevanSF]

"How goes the economy?" was marked wrong, although it sounds a bit more natural that the suggested translation.

[Gzeebzee]

Down the pan?