and bootstrap-t confidence intervals for population quantiles, and establishes the opti-mal kernel bandwidths at various … stages of the smoothing procedures. The conventional smoothed bootstrap and bootstrap-t methods have been known to yield one … bootstrap-t interval to O(n−58/57), provided that bandwidths are selected of appropriate orders. Simulation results confirm our …

bootstrap-t confidence intervals with coverage accuracy which replicates the coverage accuracy for the standard double bootstrap. …

-reject considerably. We investigate more accurate inference using cluster bootstrap-t procedures that provide asymptotic refinement. These …