The phrase "affect the affordability of" is correct and usable in written English.
You can use it when discussing how certain factors or changes influence the cost or financial accessibility of a product or service.
Example: "The recent increase in taxes may affect the affordability of housing for many families."
Alternatives: "impact the cost of" or "influence the price of".
Supply for rare earth magnets at current levels will lag behind these demand increases, which will gravely affect the affordability of clean energy technology (Roskill Estimates, 2012).
Unemployment rate would affect the affordability of hospital bills negatively.
If unemployment is likely to adversely affect life expectancy, a higher proportion of unemployed people would tend to increase the dependency ratio, widen income distribution and adversely affect the affordability of the unemployed to properly access medical care.
Not only will these increases directly affect the affordability of such essentials as heat and air conditioning, but higher electricity prices will increase the costs of food and other goods, and divert families' scarce resources away from priorities such as their children's education or health care.
In addition to the total vehicle demand, GDP ratio can also affect the affordability of a certain powertrain which impacts the willingness to consider [39] and total cost of ownership of a powertrain, that in turn determine the powertrain utility and thus sales share of the total demand.
MSF worries about how this will affect the affordability of vaccines, which often use living organisms, as well as other essential medicines.
Despite National Express putting its own scheme in place, giving one-third off ticket prices with a £10 coach card, the company has concluded that the move "severely affected the affordability of travel for our senior citizen passengers".
Spiralling inflation in the 1990s and the subsequent dollarisation will have affected the affordability of health care, through changes to incomes, prices of health care and the wider cost of living.
Among other factors, Andersen's model identifies health care delivery system characteristics such as the financial arrangements affecting the affordability of care, as well as individual characteristics such as age, gender and perceived health needs.
But in dense areas like San Francisco and Manhattan, they are also affecting the affordability and availability of housing, as demand outpaces supply and bidding wars ensue.
