Yes, a lot of people in finance say it's been over 10 years so a recession should happen soon. But nobody says what are going to be the triggers. Last time it w

Yes, a lot of people in finance say it's been over 10 years so a recession should happen soon. But nobody says what are going to be the triggers. Last time it was sub-prime loans and mispriced derivatives. But this time? Trade war? Government deficits? China's credit crisis? Low yields pushing savers to riskier investments? Nobody seems to know.