De or het loonexplosie?

The correct Dutch article is:

de loonexplosie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use loonexplosie

the loonexplosiede loonexplosie
this loonexplosiedeze loonexplosie
that loonexplosiedie loonexplosie
our loonexplosieonze loonexplosie
your loonexplosiejouw loonexplosie
every loonexplosieelke loonexplosie
which loonexplosie?welke loonexplosie?
a big loonexplosie / the big loonexplosieeen grote loonexplosie, de grote loonexplosie