The phrase "expenditures on" is correct and usable in written English.
It is typically used to describe money spent on something. For example, "The company made significant expenditures on new technology."
If the remitter is female, expenditures on education increase by one percentage point (weakly significant).
Expenditures on public elementary and secondary education.
Parents are also cutting back expenditures on themselves.
I don't think the expenditures on defense will grow.
The Impact of Differential Expenditures on School Performance.
His expenditures on books have always coincided roughly with his salary.
Several countries, if they built such defenses, would save themselves expenditures on offensive systems.
"Now, they have increased markedly their expenditures on health, education, and other social services.
That results in large expenditures on overlapping systems, like three separate new tactical fighter programs.
She expressed skepticism that her rivals' expenditures on mailings, gifts and personal contacts would bear fruit.
And Mr. Krugman didn't even mention the for-profits' expenditures on marketing!
