Table 5. Comparison of technical efficiency before and after adjustment of the input variables of three types of e-commerce firms in 2019.

Type	crste			vrste			scale
	before	after	Improvement percentage	before	After	Improvement percentage	before	after	Improvement percentage
B2C	0.721	0.868	20.38%	0.850	1	17.67%	0.855	0.869	1.55%
B2B	0.782	0.903	15.45%	0.835	0.993	18.89%	0.938	0.948	1.00%
P2C	0.574	0.872	51.80%	0.675	0.998	47.88%	0.872	0.874	0.17%
Total	0.689	0.872	26.56%	0.786	0.998	26.97%	0.886	0.874	-1.35%