Language universals and linguistic complexity: Three case studies in core argument marking. PhD dissertation, Department of Modern Languages, University of Helsinki, 2011.
Complex Right-Branching Clauses. Unpublished Master's thesis, Department of General Linguistics, University of Helsinki, 2004. (abstract, in Finnish)
Describing Grammaticalization by the Cognitive Framework: A Case Study of the Finnish Stative Locatives. BA essay, Department of General Linguistics, University of Helsinki, 2001. (with Juha Yliniemi)
Sinnemäki, Kaius (in preparation). Complexity trade-offs: A typological survey. [An article based on several earlier conference presentations].
Sinnemäki, Kaius (submitted). Inflectional synthesis as a typological non-predictor. Indiana University Linguistics Club (IULC) Working Papers Online.
Sinnemäki, Kaius and Mikko Tolonen 2015. Digitaaliset ihmistieteet tutkimuskartalle [Digital humanities on the research map, in Finnish]. Tieteessä Tapahtuu 4/2015: 29-32.
Sinnemäki, Kaius 2014. Complexity trade-offs: A case study. In Measuring Grammatical Complexity, Frederick J. Newmeyer and Laurel B. Preston (eds.), 179-201. Oxford: Oxford University Press.
Sinnemäki, Kaius 2014. Global optimization and complexity trade-offs. Poznan Studies in Contemporary Linguistics 50(2): 179-195.
Sinnemäki, Kaius 2014. Cognitive processing, language typology, and variation. WIREs Cognitive Science 5(4): 477-487.
Sinnemäki, Kaius 2014. A typological perspective on differential object marking. Linguistics 52(2): 281-313.
Sinnemäki, Kaius 2012. Vertaileva näkökulma kielen monimutkaisuuteen (A comparative approach to language complexity, in Finnish). Sutina - suomi toisena kielenä opettajat ry (journal of the teacher's of Finnish as second language). 3(1): 34-36.
Sinnemäki, Kaius 2011. Kielen universaalit ja kielen monimutkaisuus (Language universals and linguistics complexity, in Finnish). Virittäjä 115(4).
Sinnemäki, Kaius 2010. Word order in zero-marking languages. Studies in Language 34(4): 869-912.
Sinnemäki, Kaius 2009. Complexity in core argument marking and population size. In Language Complexity as an Evolving Variable, Geoffrey Sampson, David Gil, and Peter Trudgill (eds), 125-140. Oxford University Press. [pdf]
Sinnemäki, Kaius 2008. Complexity trade-offs in core argument marking. In Language Complexity: Typology, Contact, Change [Studies in Language Companion Series 94], Matti Miestamo, Kaius Sinnemäki, and Fred Karlsson (eds), 67-88. Amsterdam: John Benjamins.
Karlsson, Fred, Matti Miestamo, and Kaius Sinnemäki 2008. Introduction: the problem of language complexity. In Language Complexity: Typology, Contact, Change [Studies in Language Companion Series 94], Matti Miestamo, Kaius Sinnemäki and Fred Karlsson (eds), vii-xiv. Amsterdam: John Benjamins.
Sinnemäki, Kaius 2006. On Halliday’s Distinction between Embedded and Hypotactic Clauses. Suominen, Mickael, Antti Arppe, Anu Airola, Orvokki Heinämäki, Matti Miestamo, Urho Määttä, Jussi Niemi, Kari K. Pitkänen, and Kaius Sinnemäki (eds) 2006. A Man of Measure: Festschrift in Honour of Fred Karlsson on His 60th Birthday, Special Supplement to SKY Journal of Linguistics, Volume 19 (2006). Turku: The Linguistic Association of Finland.
Sinnemäki, Kaius (to appear). Uraauurtava menetelmäkatsaus kielten vertailevaan tutkimukseen (in Finnish, Review of Leena Kolehmainen, Matti Miestamo & Taru Nordlund (eds.) 2013, Kielten vertailun metodiikka (Methodology for language comparison), Helsinki, Suomalaisen Kirjallisuuden Seura). Virittäjä.
Sinnemäki, Kaius 2012. Review of Talmy Givón, 2009, The genesis of syntactic complexity: Diachrony, ontogeny, neuro-cognition, evolution, Amsterdam: John Benjamins. Anthropological Linguistics 54(2): 187-194.
Sinnemäki, Kaius 2005. The Growth and Maintenance of Linguistic Complexity. Linguist 16.1059 (Review of Östen Dahl. 2004. The Growth and Maintenance of Linguistic Complexity. Studies in Language Companion Series 71. Amsterdam/New York: John Benjamins.)
Miestamo, Matti, Kaius Sinnemäki, and Fred Karlsson (eds) 2008. Language Complexity: Typology, Contact, Change [Studies in Language Companion Series 94]. Amsterdam: John Benjamins.
Arppe, Antti, Kaius Sinnemmäki, and Urpo Nikanne (eds) 2008. Third Workshop on Quantitative Investigations in Theoretical Linguistics (QITL 3), June 2-4, 2008, Helsinki. Helsinki: Department of General Linguistics, University of Helsinki and The Linguistic Association of Finland.
Suominen, Mickael, Antti Arppe, Anu Airola, Orvokki Heinämäki, Matti Miestamo, Urho Määttä, Jussi Niemi, Kari K. Pitkänen, and Kaius Sinnemäki (eds) 2006. A Man of Measure: Festschrift in Honour of Fred Karlsson on His 60th Birthday, Special Supplement to SKY Journal of Linguistics, Volume 19 (2006). Turku: The Linguistic Association of Finland.
Kauhanen, Irina ja Kaius Sinnemäki 2006. Opettajan resurssipankki: fonologian ja morfologian harjoituskurssi [Teacher's resource material: the basic course on phonology and morphology]. Helsingin yliopisto, yleisen kielitieteen laitoksen opetusmateriaalia.