Determine 1: GDP (blue), GDI (tan), GDO (inexperienced), GDP+ (purple), GDPNow (sky blue sq.), all in bn.Ch.2012$, SAAR. GDP+ stage iterated off of 2019Q4 ranges of GDP. Supply: BEA, Philadelphia Fed, Atlanta Fed (7/18), and writer’s calculations.
CEA (2015) on GDO; see additionally Nalewaik and Braun (BPEA, 2011).
Aruoba et al. (2014) on GDP+.
Jacobs et al. (2020) mentioned GDP++ in this Econbrowser guest post.