Keyword Analysis & Research: heterogeneous difference in difference

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
heterogeneous difference in difference	1.7	0.5	7687	55	38
heterogeneous	0.37	0.4	7779	3	13
difference	1.06	0.5	884	52	10
in	1.04	0.4	2670	29	2
difference	0.53	0.2	9028	59	10

Keyword	CPC	PCC	Volume	Score
heterogeneous difference in difference	0.56	0.3	1019	34