Determining housing affordability is complex and the commonly used housing-expenditure-to-income-ratio tool has been challenged.

Other research shows that housing affordability gradually improved during the 80's in most of the nation.

In Australia, it is claimed by some that housing affordability has hit "crisis levels" due to "urban consolidation" policies implemented by state governments.

The trade group introduced an index to measure housing affordability for those seeking their first home.

The general guideline for calculating housing affordability is that families should plan on spending at least two-and-a-half times their annual gross incomes.

Mr. Tyler's study found that housing affordability is determined by several factors, including tax policy, income growth and housing prices.

When will we begin to take housing affordability seriously?

"Major changes in energy expenses can thus increase or decrease housing affordability significantly."

These figures suggest that young Manhattanites cannot afford to pay 30 percent of their income as rent, a widely used rule-of-thumb ratio expressing housing affordability.

In August 2010, he proposed that the federal government should insist on Reserve Bank interest rates being dropped to improve housing affordability.