His research interests besides German language, literature and culture are in linguistics: Syntax, Semantics, Lexical Semantics, Pragmatics, Swiss German, Language Acquisition, Foreign Language Education, Contrastive Linguistics, Dialectology, Second Language Acquisition, Corpus Linguistics, Philosophy of Linguistics, Historical Linguistics, and Sociolinguistics. Dr. Halder is applying frame-semantic and construction grammar insights in his on-going research on support verb constructions in German and English. He also focuses on second language acquisition and foreign language education.