1. Can Machine Learning Catch The COVID-19 Recession?;P G Coulombe;National Institute Economic Review,2021
2. Economic Dip, Decline or Downturn? An Examination of The Definition of Recession;E Donoghue;Student Economic Review,2009
3. What is a recession?: A reprise;A P Layton;Applied Economics,2003
4. Fifty years of classification and regression trees;Wei-Yin Loh;International Statistical Review,2014