According to FARS, Tehran had proposed at a previous meeting in Baghdad that it would stop production, close the Fordow facility where the work is carried out, and ship its purified fuel out of the country.

CNN: Little headway in Iranian nuclear talks

By that he means that when the economy is in a prolonged slump, businesses stop investing in increasing their production, and may even scrap existing capacity, while the out-of-work lose skills and motivation, becoming less employable.

BBC: Budget 2013: Should the government plough ahead with cuts?