Estimating Productivity Loss Cost according to Severity of Vehicle Crash Injury

Table 3

Summary statistics.

Variable	Description	Injury level	Entire sample			Participation sample
			Ave.	Min.	Max.	Ave.
Expend	Individual’s WTP for productivity loss (US$)	1	782	0	21,404	1,644
		2	3,541	0	46,101	5,806
		3	16,142	0	1,136,064	23,269
		4	33,181	0	987,882	47,372
		5	41,633	0	658,588	58,579
Dummy variables (yes = 1; 0 otherwise)
EDU	1 If individual had university degree or above, 0 otherwise	1	0.59	0	1	0.85
		2	0.61	0	1	0.82
		3	0.65	0	1	0.71
		4	0.63	0	1	0.74
		5	0.80	0	1	0.88
GIN	1 If individual’s average monthly income was higher than US$1,459, 0 otherwise	1	0.16	0	1	0.18
		2	0.15	0	1	0.24
		3	0.16	0	1	0.18
		4	0.14	0	1	0.15
		5	0.27	0	1	0.35
HIN	1 If household’s average monthly income was higher than US$2,305, 0 otherwise	1	2.02	0	1	2.05
		2	2.13	0	1	2.24
		3	2.24	0	1	2.27
		4	2.25	0	1	2.36
		5	2.33	0	1	2.48
INST	1 If individual has third-party liability insurance, 0 otherwise	1	0.50	0	1	0.92
		2	0.58	0	1	0.83
		3	0.64	0	1	0.71
		4	0.77	0	1	0.90
		5	0.82	0	1	0.82
EXP	1 If individual had experience of moderate or worse vehicle crash injury, 0 otherwise	1	0.13	0	1	0.16
		2	0.06	0	1	0.07
		3	0.05	0	1	0.06
		4	0.05	0	1	0.06
		5	0.07	0	1	0.05
RESP	1 If individual’s share of vehicle crash responsibility was higher than 50%, 0 otherwise	1	0.21	0	1	0.28
		2	0.17	0	1	0.21
		3	0.16	0	1	0.22
		4	0.14	0	1	0.15
		5	0.15	0	1	0.16
DAY	1 If individual’s work days lost after a vehicle crash was higher than 30 days, 0 otherwise	1	0.39	0	1	0.39
		2	0.40	0	1	0.38
		3	0.63	0	1	0.69
		4	0.49	0	1	0.52
		5	0.40	0	1	0.38
COMP	1 If individual had experience of receiving compensation for productivity loss from a vehicle crash, 0 otherwise	1	0.12	0	1	0.18
		2	0.15	0	1	0.20
		3	0.13	0	1	0.14
		4	0.12	0	1	0.14
		5	0.15	0	1	0.17

Note: 1: Minor injury, 2: Moderate injury, 3: Severe injury, 4: Disability, 5: Death.