The phrase "an additional deficit" is correct and usable in written English.
It can be used when discussing financial matters, budgets, or any context where you are referring to a shortfall that is beyond what has already been identified.
Example: "The company is facing an additional deficit this quarter due to unexpected expenses."
Alternatives: "a further shortfall" or "an extra shortcoming".
If the proposal is approved, Essex County, which exists in a state of perpetual fiscal crisis, will have to deal with an additional deficit of $25 million to $30 million.
Both patients showed deficits of voice and environmental sound identification, however PA showed an additional deficit of face identification whereas AA was able to identify (though not name) faces normally.
Both groups showed significant neurocognitive dysfunctions in all domains compared with healthy control subjects, but hypo group patients had an additional deficit in visuospatial skills.
The association between MHC and CD1a expression in tumours is currently unclear, but this study appears to exclude major down regulation of CD1a expression as an additional deficit.
If the number of serious illness is more than one in the past 2 years, an additional deficit score is added.
However, if the contribution of the fornix is to some extent distinct, then fornix lesions may produce an additional deficit in scene learning beyond that caused by frontal-temporal disconnection.
Cocaine dependence and pathological gambling share neurobiological vulnerabilities related to addiction, but PG are relatively free of the toxic consequences, such that any additional deficits observed in CDI may be interpreted as pertaining to specific drug effects.
Yellen is surely wrong to suggest that any additional deficits today will inevitably make things worse tomorrow.
A surprising additional deficit displayed by the advanced PD group was that the withdrawal phase of their reach also slowed, a change not observed in control or mild PD groups.
"It is the most existential threat to our economy" that the country has seen "since the Great Depression, so I think a little bit of additional deficit is nothing," he added.
The agreement would increase the cap on so-called discretionary spending from the $967 billion mandated by Washington's failure to follow up a 2011 budget agreement with additional deficit cuts.
