Chain effects in Kurpian

This article considers chain effects in Kurpian. It is observed that initial i triggers j-Insertion. The inserted [j] induces a lowering process, whereby /i/ changes into [e] or [ə], depending on the context. This change destroys the original trigger of j-Insertion, making the process opaque, as in jënteres [jəntɛrɛs] ‘interest’, which exhibits the following chain: i → ji → jə . I argue that chain effects cannot be modeled in Standard Optimality Theory, including its auxiliary theories: Max Feature theory, Sympathy theory and Candidate Chains theory. Consequently, chain effects constitute evidence for derivational levels envisaged by Derivational Optimality Theory. In particular j-Insertion must take place before /i/ is turned into [e] or [ə] because these vowels cannot trigger glide insertion.