Table 3 Beta-binomial model estimates...

Table 3

Beta-binomial model estimates for decertification rate by year

Year	Firms certified in the year (Abs.)	…of which later decertified (Abs.)	Average	MLE	MAP	HDI: 2.5%	HDI: 97.5%
2007	13	9	0.6017	0.6923	0.6766	0.4591	0.8515
2008	9	7	0.6017	0.7778	0.7254	0.4827	0.9003
2009	12	10	0.6017	0.8333	0.7724	0.5552	0.9199
2010	8	5	0.6017	0.6250	0.6310	0.3814	0.8395
2011	17	11	0.6017	0.6471	0.6453	0.4456	0.8152
2012	10	7	0.6017	0.7000	0.6786	0.4425	0.8643
2013	21	16	0.6017	0.7619	0.7365	0.5575	0.8742
2014	21	13	0.6017	0.6190	0.6233	0.4382	0.7867
2015	11	7	0.6017	0.6364	0.6375	0.4077	0.8305
2016	25	19	0.6017	0.7600	0.7383	0.5712	0.8685

Year	Firms certified in the year (Abs.)	…of which later decertified (Abs.)	Average	MLE	MAP	HDI: 2.5%	HDI: 97.5%
2007	13	9	0.6017	0.6923	0.6766	0.4591	0.8515
2008	9	7	0.6017	0.7778	0.7254	0.4827	0.9003
2009	12	10	0.6017	0.8333	0.7724	0.5552	0.9199
2010	8	5	0.6017	0.6250	0.6310	0.3814	0.8395
2011	17	11	0.6017	0.6471	0.6453	0.4456	0.8152
2012	10	7	0.6017	0.7000	0.6786	0.4425	0.8643
2013	21	16	0.6017	0.7619	0.7365	0.5575	0.8742
2014	21	13	0.6017	0.6190	0.6233	0.4382	0.7867
2015	11	7	0.6017	0.6364	0.6375	0.4077	0.8305
2016	25	19	0.6017	0.7600	0.7383	0.5712	0.8685

Note(s): Year refers to the year in which firms obtained SA8000 certification. The column “Of which later decertified (Abs.)” reports the number of firms certified in that year that decertified during the observation period

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