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econ.EM2026
A LATE-Targeting Experimental Design for Multi-Arm RCTs
Tetsuya Kaji
We study the design of multi-arm experiments that identify local average treatment effects under imperfect compliance. With three or more arms, conventional randomization fails to…
math.ST2026
The Hellinger Bounds on the Kullback-Leibler Divergence and the Bernstein Norm
Tetsuya Kaji
The Kullback-Leibler divergence, the Kullback-Leibler variation, and the Bernstein "norm" are used to quantify discrepancies among probability distributions in likelihood models su…