All in one week. All on one subject. All buying into the same problem. Let's do a roll call of abbreviations and acronyms. IMF, OECD, CFR, RBA, APRA, ANZ, CBA. What are they all fussing about? Suddenly, they've realised rapidly-rising house prices might cause financial instability, generational inequity, mortgage stress and loan defaults. And did you know a housing inquiry is underway?