Substantivist Approach:The substantivist approach, as developed by Polanyi, views the economy as embedded in social, political, and cultural institutions, rather than as a self-regulating system.
Formalist Approach:The formalist approach, in contrast to the substantivist approach, views the economy as a self-regulating system governed by universal laws of supply and demand.
The Great Transformation: Polanyi's seminal work, 'The Great Transformation', which explores the social and political consequences of the rise of the market economy in the 19th century.