Naeem Inayatullah and his longtime co-author, David Blaney, published “Liberal IPE as a Colonial Science,” in The SAGE Handbook of the History, Sociology and Philosophy of International Relations, edited by Andreas Gofas, Inanna Hamati-Ataya, Nicholas Onuf, (Sage, 2018), pp. 60-74.
They demonstrate that contemporary liberal International Political Economy (IPE) melds together a static, timeless time with a dynamic evolutionary time. This conflation is traced to the work of Alfred Marshall who was one of four theorists who independently developed neo-classical economics in the 1870s. Marshall's evolutionary frame is explicitly supportive of colonialism, slavery, and imperialism. The punchline of the paper is that contemporary IPE shares with Marshall similar commitments, but retains them implicitly.
You can download the paper at the following link:
https://faculty.ithaca.edu/naeem/docs/Papers/IPE_as_Colonial/
https://www.ithaca.edu/intercom/article.php/20180901120818715