Hungary has had generous financial incentives to have more children for years - but still haven’t even reached replacement rate. In the UK we would be looking at around a 45% increase to achieve replacement. We then wait 20years until they enter the labour market…

Yes, because most of the production companies are, in fact, Hungarian (such as Origo which provided significant input to Dune 2).

But the cost of US film companies producing films in, say, Hungary would be identifiable and taxable.