In particular, there has been a more noticeable pick-up in arrears rates in Western Australia, South Australia and Queensland since late 2015 (Graph 8). 9 / 13  BIS central bankers' speeches  The Securitisation Dataset allows us to drill down even further to examine some relationships between arears and other factors.
A key factor contributing to a borrower entering into arrears is a reduction in income, most obviously via a period of unemployment. We find that there is a positive relationship between arrears rates and the unemployment rate across regions (Graph 9).14 However, the relationship is not especially strong, which suggests that other factors are at play.