The phrase "increase expenditure" is correct and usable in written English.
You could use it when you are discussing increased spending on something. For example, "The government decided to increase expenditure on public health initiatives."
Darling's promise to increase expenditure for frontline operations masks a growing crisis facing the defence budget.
"I just feel with the whole healthcare service, one promise Blair did keep is that he would increase expenditure.
"Reflecting a stronger revenue position, the government has taken the decision to modestly increase expenditure," he said.
"Not a general political commitment to increase expenditure, but a genuine precise, timed commitment to acquire the missing capability.
However, if this does not prove to bring in the required audience levels to make the business profitable London Live says "the option is available via our funding model/sister newspapers to increase expenditure".
George Osborne's confirmation that he would honour his commitment to increase expenditure on the NHS is to be welcomed, but he has failed to understand the interdependence of health and social care.
According to Hurley, nature debt swaps in Central America and the Caribbean "have worked well and have helped increase expenditures in key environmental and conservation programmes".
Moreover, remittances increase expenditures on housing.
Both a female migrant and a female receiver increase expenditures on education.
The objective is to increase allocation of the national budget to social-sector ministries and increase expenditures on children.
All evidence suggests that increased expenditure in basic research results in economic growth.
