A great deal of research on second language (L2) input has provided useful linguistic evidence for the development of generalizations about and hypotheses on the usage-based nature of L2 knowledge. However, despite the fact that classrooms are one of the most ubiquitous sites of L2 learning, we still know very little about the linguistic quality…

This state-of-the-art review is based on the fundamental idea that political economy should be adopted as a frame for research and discussion in applied linguistics as part of a general social turn which has taken hold in the field over the past three decades. It starts with Susan Gal's (1989) early call for such a move in sociolinguistics and…