"disproportionate reliance" is a correct and usable phrase in written English.
It is typically used when describing a situation where someone or something is relying too heavily on something, resulting in an imbalanced or unfair situation. Example: The company's decision to cut costs by hiring only part-time employees showed a disproportionate reliance on cheap labor, leading to low employee morale and high turnover rates.
"These states' disproportionate reliance on sales and excise taxes make their taxes among the highest in the entire nation on low-income families," the report said.
"Substantial rents available to resource-rich countries caused a disproportionate reliance on petro-dollars," according to Isabelle Ramdoo, author of From Curse to Purse (pdf).
Chief among these was the disproportionate reliance on the United States to provide the enablers — for example, air-to-air refueling and persistent surveillance — critical for a swift conclusion of the operation.
In 1996, only about one in four of all New York City home purchase loans were issued to black and Hispanic borrowers; by 2006, those loans accounted for nearly 40percentt, largely due to a disproportionate reliance on risky borrowing.
Wales and the north-east were most at risk because of their disproportionate reliance on producing goods and food for export to the EU including Welsh lamb, Airbus wings, and cars.
However, the global recession starkly exposed a disproportionate reliance on oil and gas revenues a dependence that risked becoming an economic opiate.
In these countries, dependence on petroleum leads to disproportionate fiscal reliance on petrodollars and public spending, at the expense of statecraft.
But I do think their reliance on app install ads is disproportionate, and it will recalibrate as the market moves toward the Top 10 mobile advertisers matching the Top 10 advertisers overall.
Human Rights Watch accused the Army of a pattern of "over-aggressive tactics, indiscriminate shooting in residential areas and a quick reliance on lethal force", as well as using "disproportionate force".
Additionally, given the difficulty of recruiting the study population and our subsequent reliance on snowball sampling, there is likely a disproportionate focus on particular surgeries sought in specific destinations and medical tourists from certain regions of Canada.
In the process, Judge Scheindlin coined a term, "indirect racial profiling," to explain how the department's reliance on data indicating that black men committed a disproportionate amount of crime led to what she saw as violations of the Constitution.
