In The Second Berkeley Symposium Robbins raised the question whether or not his "bootstrap" procedure might be dominated by a Bayes procedure against the prior which puts equal mass on each "orbit" and is uniform within each orbit. We show that this is not true for the compound problem with two components.
"A Note on Robbins' Compound Decision Procedure." Ann. Math. Statist. 43 (1) 348 - 350, February, 1972. https://doi.org/10.1214/aoms/1177692729