Table 2.

Percent change from no borrowing in preposterior risk under squared error loss for the specified model. For this scenario the result under no borrowing is equal to ${({\sigma }^{tr})}^2/\{n_d(1-\frac{n_d}{n})\}=0.0222$.

	Δtr = 0			Δtr = 0.25			Δtr = 0.5
	H = 1	2	3	H = 1	2	3	H = 1	2	3
unif. var.	−1	−3	−11	−1	−1	−1	0	1	4
unif. shrink	−4	−9	−14	−2	−2	−1	0	3	7
half-Cauchy	−4	−14	−21	−1	1	3	1	8	14
unif. sd	−3	−14	−21	−1	0	5	1	7	16
inv. gamma	−12	−20	−25	−1	4	9	8	20	31
emp. Bayes	−13	−17	−22	7	11	20	8	9	16
spike & slab	−13	−17	−22	1	5	11	9	10	11
Gamma(1,0.01)	−16	−22	−24	0	5	8	25	35	38
homogeneity	−19	−28	−32	25	61	86	152	337	475