[18] In the euro area, however, stock market capitalisation – at less than a fifth of that in the United States – is too low to serve as a catalyst in this way. Cross-border integration is similarly low. [19] Our capital markets must become deeper and, at the same time, more accessible for start-ups and small and medium-sized firms.
http://www.rba.gov.au/speeches/2018/sp-ag-2018-02-20.html  5/14  21/02/2018  Household Indebtedness and Mortgage Stress | Speeches | RBA  Measures of Financial Stress There is no single measure that captures the level of financial stress.