Description: Recent developments in linguistic theory have led to a reconsideration of the role of optimality in the overall architecture of the grammar. Emerging from this research is the idea that different components of the grammar interact to yield the best choice from a set of candidate derivations. This idea departs from traditional approaches to the output of linguistic levels in generative grammar, in which rules, principles, and constraints interact to determine the grammatical status of each linguistic object independent of the status of possible competitors.

In the past five years, interest in the linguistic role of optimality has been sparked by the sharpened notions of "economy" in Chomsky's Minimalist Program and by Prince and Smolensky's Optimality Theory, originally developed for phonology. Work on these ideas has raised many new questions. These include new versions of an old debate between constraints on derivations and constraints on representations, and entirely new questions about the nature of the candidate set, as well as questions about learnability and computability. Writing from a broad range of empirical and theoretical perspectives, the contributors to this volume examine the role of competition in syntax and in syntactic interfaces with semantics, phonology, and pragmatics, as well as implications for language acquisition and processing.

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