The authors of model-dependent realism claim that what type of theory may not exist?
The Grand Design (book) The Grand Design is a popular-science book written by physicists Stephen Hawking and Leonard Mlodinow and published by Bantam Books in 2010. The book examines the history of scientific knowledge about the universe and explains 11 dimension M-theory. The authors of the book point out that a Unified Field Theory (a theory, based on an early model of the universe, proposed by Albert Einstein and other physicists) may not exist.
Marxist international relations theory Marxist and Neo-Marxist international relations theories are paradigms which reject the realist/liberal view of state conflict or cooperation, instead focusing on the economic and material aspects. It purports to reveal how the economy trumps other concerns, which allows for the elevation of "class" as the focus of the study.