'exorbitant increases' is a correct and usable phrase in written English.
You can use it to describe a situation in which prices, costs, or rates are rapidly and significantly increasing, usually beyond what is considered reasonable. For example, "Many companies have been forced to make layoffs due to exorbitant increases in their costs of doing business."
Adding insult to injury, the CQC plans to introduce an exorbitant increase in fees that will cost GPs £40m a year, threatening the future of small GP practices and potentially undermining patient care.
Instead, the group advocates increasing the amount of land to be bought for reservoirs.Not surprisingly, Florida's powerful construction-and-land-development lobby argues that the proposed land purchase is too large, and that the cost of the project will require an exorbitant increase in property taxes.
Presidential candidate and former Secretary of State Hillary Clinton, among others, said in September that the exorbitant increase to the cost of Daraprim amounted to "price-gouging".
There was an exorbitant increase in the numbers of acellular capillaries in TGR retinas starting at two months of age.
Exorbitant tax increases, however, do affect smokers' buying practices.
Rental costs for premises are high, and homelessness rates are rising in line with exorbitant rent increases, especially in areas of high deprivation.
Representative Jan Schakowsky, Democrat of Illinois, said that in a meeting with liberal Democrats last week, Mr. Obama "focused in particular on the new provision that would allow the Department of Health and Human Services to block exorbitant premium increases".
Fact 5: Insurance companies can continue to demand exorbitant rate increases in many states because their lobbyists were able to convince members of Congress to strip out of Obamacare a provision that would have given federal and state regulators the ability to reject unreasonable rate increases.
Obama of course could not foresee that the states would not all participate; nor could he recognize that insurance companies gaining a regulatory monopoly under Obama care would use their privileged position to gouge her fellow Americans with exorbitant premium increases, ridiculous bonuses paid to themselves, and other price controls that kept care needlessly expensive.
