Given the state of the art in electric vehicles I really don't see an electric vehicle being significantly profitable at less than $50,000 right now. There simply aren't enough of them out there to drive the unit costs down. I expect that number to fall over time but it will require investment by companies
Facts congruent with your last sentence disprove your first sentence. The Nissan Leaf sells around $29,000 (thus $22K if you get the EV tax credit) and in November 2013 Nissan claimed it is profitable. The difference between the Leaf and compliance cars like the Fiat 500e (and the Ford Focus EV, GM Spark EV, Honda Fit EV, Smart ED, Toyota RAV4 EV, etc., etc., etc.) is that Nissan has invested hundreds of millions in the Leaf, building its own battery plants near the production sites in USA, Europe, and Japan. Result: there were "34,000 Leafs on US roads today and 75,000 worldwide", and thousands more since then.
Maybe Fiat and all the other compliance car makers thought their component suppliers would magically sell them cheap battery packs, motors, inverters, on-board chargers, etc. That may come with standardization and aggregate volume, but Tesla and Nissan (and maybe BMW with its big investment in the i3 brand) have shown that to drive costs down, you make it yourself in volume and/or order tens of thousands of parts. Car companies grudgingly building 2,000 compliance cars over 3 years can STFU about costs.
and maybe some government subsidies here and there.
The tax credit for buying an EV is enough.