- 日 時：2026年4月28日（火）16:10-17:40
- 表 題：『Do judges weight prior information when forming evaluations? Evidence from figure skating (仮題)』
- 講演者：Pascal Courty（ビクトリア大学経済学部教授）
- 会 場：滋賀大学彦根キャンパス 士魂商才館セミナー室Ⅰ
- 開催様式：対面
講演概要
In a two-stage evaluation setting, judges can use information from the first stage to form priors about the second-stage performance. In figure skating, different institutional rules determine how skaters are ordered in the second stage, and this reveals coarse or fine signals about the skater's first-stage performance. We use a regression discontinuity design to identify whether judges update a prior based on past scores using their private signal of performance. We show that judges systematically use prior scores, despite explicit instructions not to. The use of priors--especially coarse ones--distorts the information aggregation process and produces inefficient and biased rankings.
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