De or het marktliberalisering?

The correct Dutch article is:

de marktliberalisering

Rule Words ending in -ing: almost always de. See the rule

How to use marktliberalisering

the marktliberaliseringde marktliberalisering
this marktliberaliseringdeze marktliberalisering
that marktliberaliseringdie marktliberalisering
our marktliberaliseringonze marktliberalisering
your marktliberaliseringjouw marktliberalisering
every marktliberaliseringelke marktliberalisering
which marktliberalisering?welke marktliberalisering?
a big marktliberalisering / the big marktliberaliseringeen grote marktliberalisering, de grote marktliberalisering