Cho, Jai-Hyoung. 1999. Null Epithet in Tough-Movement and Relative Clauses. Linguistics, 7-1, 33-50. This paper examines relative clauses and tough-movement clauses in Korean with regard to Weak Crossover (WCO) phenomena and demonstrates that the lack of WCO effects in Korean relative clauses and PP tough-movement clauses is due to a trace created by null operator movement, namely, a null epithet. It shows that the relative clauses in Korean involve null operator movement, which, as non-operator A`-movement, creates not a variable but a null epithet, and that the absence of WCO effects is ascribed to the null epithet, which is free from the WCO constraint. It demonstrates that Strong Crossover effects are yielded in relative clauses in Korean since the null epithet, being an R-expression, is subject to Binding Principle C. It further maintains that PP tough-movement clauses in Korean involve null operator movement; therefore, they do not show the WCO effect since they contain the null epithet created by null operator movement. (Ajou University)