| 2026 | Yakpo, Kofi and Bangura, Saidu and Finney, Malcolm Awadajin: English and Krio in Sierra Leone. In: Hickey, Raymond, The New Cambridge History of the English Language: Africa, Asia, Australasia and the Pacific. Cambridge University Press, 2026. 175-206 |
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| 2025 | Yakpo, Kofi: The evolution of copula systems in West African Pidgin: A uniformitarian perspective. In: Mufwene, Salikoko and Aboh, Enoch O, Uniformitarianism in language speciation: From creolistics to genetic linguistics. Cambridge University Press, 2025. 337-393 |
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| 2024 | Yakpo, Kofi: Lost siblings: Areal forces in the divergence of Krio and Pichi. In: Essegbey, James and Aboh, Enoch, Predication in African languages. John Benjamins, 2024. 156-190 |
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| 2024 | Yakpo, Kofi: Reciprocal constructions: Multilingual contact favors borrowing of transparent structures. In: Journal of Pidgin and Creole Languages, 39, 2024, 365-393 |
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| 2024 | Bisilki, Abraham Kwesi and Quint, Nicolas and Yakpo, Kofi: Relativization in Likpakpaln (Ghana): New typological perspectives on the Mabia (Gur) languages. In: Canadian Journal of Linguistics/Revue canadienne de linguistique, 69, 2024, 235-255 |
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| 2024 | Yakpo, Kofi: The indigenization of Ghanaian Pidgin English. In: World Englishes, 43, 2024, 182-202 |
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| 2024 | Yakpo, Kofi: West African Pidgin: World language against the grain. In: Africa Spectrum, 59, 2024, 180-203 |
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| 2023 | Yakpo, Kofi: Two types of language contact involving English Creoles: Why Krio (Sierra Leone) has evolved more towards English than its relative Pichi (Equatorial Guinea) towards Spanish. In: English Today, 39, 2023, 12-23 |
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| 2023 | Yakpo, Kofi: Unidirectional multilingual convergence: Typological and social factors. In: International Journal of Multilingualism, 20, 2023, 768-785 |
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| 2022 | Cheung, Ching-Yat and Yakpo, Kofi and Coupé, Christophe: A computational simulation of the genesis and spread of lexical items in situations of abrupt language contact. In: Ravignani, Andrea and Asano, Rie and Valente, Daria and Ferretti, Francesco and Hartmann, Stefan and Hayashi, Misato and Jadoul, Yannick and Martins, Mauricio and Oseki, Yohei and Rodrigues, Evelina Daniela and Vasileva, Olga and Wacewicz, Slawomir, The evolution of language: {Proceedings} of the {Joint} {Conference} on {Language} {Evolution} ({JCoLE}). Nijmegen: Max Planck Institute for Psycholinguistics, 2022. 115--122 |
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| 2022 | Yakpo, Kofi: Social entrenchment influences the amount of areal borrowing in contact languages. In: International Journal of Bilingualism, 26, 2022, 140--162 |
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| 2021 | Yakpo, Kofi: Creole prosodic systems are areal, not simple. In: Frontiers in Psychology, 12, 2021, 690593 |
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| 2021 | Yakpo, Kofi: Social entrenchment influences the amount of areal borrowing in contact languages. In: International Journal of Bilingualism, 2021, 1-23 |
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| 2021 | Bisilki, Abraham Kwesi and Yakpo, Kofi: ‘The heart has caught me’: Anger metaphors in Likpakpaln (Konkomba). In: Sociolinguistic Studies, 15, 2021, 65-89 |
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| 2020 | Bisilki, Abraham Kwesi and Yakpo, Kofi: Adjectives in Likpakpaln (Konkomba): Structural and areal-typological aspects. In: Language Matters: Studies in the Languages of Africa, 51, 2020, 3-24 |
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| 2020 | Bordal Steien, Guri and Yakpo, Kofi: Romancing with tone: On the outcomes of prosodic contact. In: Language, 96, 2020, 1-41 |
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| 2020 | Yakpo, Kofi: Social factors. In: Adamou, Evangelia and Matras, Yaron, The Routledge Handbook of Language Contact. Routledge, 2020. 129-146 |
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| 2020 | Yakpo, Kofi: Sociolinguistic characteristics of the English-lexifier contact languages of West Africa. In: Smith, Norval and Veenstra, Tonjes and Aboh, Enoch Oladé, Advances in contact linguistics: In honour of Pieter Muysken. John Benjamins, 2020. 61-84 |
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| 2020 | Yakpo, Kofi and Smith, Norval: The Atlantic. In: Ansaldo, Umberto and Meyerhoff, Miriam, The Routledge Handbook of Pidgin and Creole Languages. Routledge, 2020. 179-198 |
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| 2019 | Yakpo, Kofi: A grammar of Pichi. Language Science Press, 2019 |
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| 2019 | Yakpo, Kofi: Inheritance, contact, convergence: Pronominal allomorphy in the African English-lexifier Creoles. In: English World-Wide, 40, 2019, 201-225 |
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| 2019 | Kwok, Veronica P.Y. and Matthews, Stephen and Yakpo, Kofi and Tan, Li Hai: Neural correlates and functional connectivity of lexical tone processing in reading. In: Brain and Language, 196, 2019, 104662 |
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| 2019 | Yakpo, Kofi: On Pichi (Equatorial Guinea): Sociolinguistic, typological and contact-related aspects. International Naija Symposium: A reader. IFRA Nigeria, 2019. 54-64 |
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| 2019 | Yakpo, Kofi: Review of Cameroon Pidgin English: A comprehensive grammar, by Miriam Ayafor and Melanie J. Green. In: Language, 95, 2019, 562-565 |
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| 2018 | Yakpo, Kofi: Negation in Pichi (Equatorial Guinea): The case for areal convergence. In: Déprez, Viviane and Henri, Fabiola, Negation and negative concord: The view from Creoles. John Benjamins, 2018. 105-125 |
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| 2018 | Yakpo, Kofi: ¿El nacimiento de una lengua afrohispana?: La influencia del español en el idioma criollo inglés de Guinea Ecuatorial. In: Odartey-Wellington, Dorothy, África y el Afro-hispanismo: Confluencias trans- e intra-continentales en las expresiones culturales hispánicas y africanas. Brill Rodopi, 2018. 243-259 |
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| 2017 | Kwok, Veronica P. Y. and Dan, Guo and Yakpo, Kofi and Matthews, Stephen and Fox, Peter T. and Li, Ping and Tan, Li-Hai: A meta-analytic study of the neural systems for auditory processing of lexical tones. In: Frontiers in Human Neuroscience, 11:375, 2017, |
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| 2017 | Yakpo, Kofi and Muysken, Pieter: Boundaries and bridges: Language contact in multilingual ecologies. De Gruyter Mouton, 2017 |
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| 2017 | Yakpo, Kofi: Creole in transition: Contact with Dutch and typological change in Sranan. In: Yakpo, Kofi and Muysken, Pieter, Boundaries and bridges: Language contact in multilingual ecologies. De Gruyter Mouton, 2017. 57-85 |
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| 2017 | Yakpo, Kofi and Muysken, Pieter: Language contact and change in the multilingual ecologies of the Guianas. In: Yakpo, Kofi and Muysken, Pieter, Boundaries and bridges: Language contact in multilingual ecologies. De Gruyter Mouton, 2017. 3-19 |
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| 2017 | Yakpo, Kofi and Muysken, Pieter: Multilingual ecologies in the Guianas: Overview, typology, prospects. In: Yakpo, Kofi and Muysken, Pieter, Boundaries and bridges: Language contact in multilingual ecologies. De Gruyter Mouton, 2017. 383-403 |
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| 2017 | Yakpo, Kofi: Out of India: Language contact and change in Caribbean Hindustani. In: Yakpo, Kofi and Muysken, Pieter, Boundaries and bridges: Language contact in multilingual ecologies. De Gruyter Mouton, 2017. 129-149 |
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| 2017 | Borges, Robert and Muysken, Pieter and Villerius, Sophie and Yakpo, Kofi: The tense-mood-aspect systems of the languages of Suriname. In: Yakpo, Kofi and Muysken, Pieter, Boundaries and bridges: Language contact in multilingual ecologies. De Gruyter Mouton, 2017. 311-361 |
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| 2017 | Yakpo, Kofi: Towards a model of language contact and change in the English-lexifier creoles of Africa and the Caribbean. In: English World-Wide, 38, 2017, 50-76 |
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| 2017 | Yakpo, Kofi: Unity in diversity: The homogeneity of the substrate and the grammar of space in the African and Caribbean English-lexifier Creoles. In: Cutler, Cecilia and Vrzic, Zvjezdana and Angermeyer, Philipp, Language contact in Africa and the African diaspora in the Americas. In honor of John V. Singler. John Benjamins, 2017. 225-250 |
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| 2016 | Yakpo, Kofi: "The only language we speak really well". The English creoles of Equatorial Guinea and West Africa at the intersection of language ideologies and language policies. In: International Journal of the Sociology of Language, 239, 2016, 211-233 |
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| 2016 | Yakpo, Kofi: Dictionnaire éwé-français, by Jacques Rongier. In: Linguistique et Langues Africaines (LLA), 2, 2016, 135-139 |
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| 2016 | Yakpo, Kofi: Exploring Language in a Multilingual Context: Variation, Interaction and Ideology in Language Documentation, by Bettina Migge and Isabelle Léglise. In: Journal of Pidgin and Creole Languages, 31, 2016, 467-472 |
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| 2016 | Kwok, Veronica P.Y. and Dan, Guo and Yakpo, Kofi and Matthews, Stephen and Tan, Li Hai: Neural systems for auditory perception of lexical tones. In: Journal of Neurolinguistics, 37, 2016, 34-40 |
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| 2016 | Yakpo, Kofi: O estatuto do pichi na Guiné Equatorial. In: PLATÔ (Revista Digital do Instituto Internacional da Língua Portuguesa), 3, 2016, 20-40 |
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| 2015 | Yakpo, Kofi: Code-switching and social change: Convergent language mixing in a multilingual society. In: Stell, Gerald and Yakpo, Kofi, Codeswitching between structural and sociolinguistic perspectives. De Gruyter, 2015. 259-287 |
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| 2015 | Stell, Gerald and Yakpo, Kofi: Code-switching between structural and sociolinguistic perspectives. De Gruyter, 2015 |
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| 2015 | Stell, Gerald and Yakpo, Kofi: Elusive or self-evident? Looking for common ground in approaches to code-switching. In: Stell, Gerald and yakpo, Kofi, Code-switching between structural and sociolinguistic perspectives. De Gruyter, 2015. 1-16 |
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| 2015 | Kwok, Veronica P.Y. and Wang, Tianfu and Chen, Siping and Yakpo, Kofi and Zhu, Linlin and Fox, Peter T. and Tan, Li Hai: Neural signatures of lexical tone reading. In: Human Brain Mapping, 36, 2015, 304-312 |
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| 2015 | Yakpo, Kofi and van den Berg, Margot and Borges, Robert: On the linguistic consequences of language contact in Suriname: The case of convergence. In: Carlin, Eithne and Léglise, Isabelle and Migge, Bettina and Tjon Sie Fat, Paul B., In and out of Suriname: Language, mobility and identity. Brill, 2015. 164-195 |
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| 2015 | Yakpo, Kofi and Bruyn, Adrienne: Transatlantic patterns: The relexification of locative constructions in Sranan. In: Muysken, Pieter and Smith, Norval, Surviving the Middle Passage: The West Africa-Surinam Sprachbund. De Gruyter Mouton, 2015. 135-175 |
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| 2014 | Yakpo, Kofi and Muysken, Pieter: Language change in a multiple contact setting: The case of Sarnami (Suriname). In: Buchstaller, Isabelle and Holmberg, Anders and Almoaily, Mohammad, Pidgins and Creoles beyond Africa-Europe encounters. John Benjamins, 2014. 101-140 |
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| 2013 | Yakpo, Kofi: Pichi. In: Michaelis, Susanne and Maurer, Philippe and Haspelmath, Martin and Huber, Magnus, The survey of Pidgin and Creole language structures: English-based and Dutch-based languages. Oxford University Press, 2013. 194-205 |
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| 2013 | Borges, Robert and Muysken, Pieter and Villerius, Sophie and Yakpo, Kofi: Tense, mood, and aspect in Suriname. In: Borges, Robert, The life of language: dynamics of language contact in Suriname. LOT, 2013. 115-162 |
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| 2013 | Yakpo, Kofi: Wayward daughter: Language contact in the emergence of Pichi (Equatorial Guinea). In: Journal of African Languages and Linguistics, 34, 2013, 275-299 |
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| 2012 | Yakpo, Kofi: Betwixt and between: Causatives in the English-lexicon creoles of West Africa and the Caribbean. In: Leino, Jaako and von Waldenfels, Ruprecht, Analytical causatives: from 'make' to 'laskma'. Lincom Europa, 2012. 9-39 |
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| 2012 | Yakpo, Kofi: Reiteration in Pichi: Forms, functions and areal-typological perspectives. In: Aboh, Enoch A and Smith, Norval and Zribi-Hertz, The morphosyntax of reiteration in creole and non-creole languages. John Benjamins, 2012. 251-284 |
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| 2010 | Yakpo, Kofi: Gramática del pichi. Ceiba Ediciones, 2010 |
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| 2009 | Yakpo, Kofi: Complexity revisited: Pichi (Equatorial Guinea) and Spanish in contact. In: Faraclas, Nicholas G. and Klein, Thomas, Simplicity and complexity in creoles and pidgins. Battlebridge, 2009. 183-215 |
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