Which preposition to use with economised

in Occurrences 4%

While youth was, we had vast reversions in time future; we are reduced to a present pittance, and obliged to economise in that article.

on Occurrences 1%

As for clothes, she had enough to last her till the end of her days, and she economised on the light by going to bed at dusk.

to Occurrences 1%

As labor of horse and man must be economised to the best advantage on such an estate, it may be interesting to know the expense of the principal operations.

Which preposition to use with  economised