© 2016, © Urban Studies Journal Limited 2016. In this introduction to a virtual special issue on land rent, we sketch out the history of land rent theory, encompassing classical political economy, Marx’s political economy, the marginalist turn and subsequent foundations for urban economics, and the Marxist consensus around rent theory during geography’s spatial turn. We then overview some of the contemporary strands of literature that have developed since the break down of this consensus, namely political economy approaches centred on capital-switching, institutionalism of various stripes, and the rent gap theory. We offer a critical urban political economy perspective and a particular set of arguments run through the review: first, land is...