Accountability is regarded as a central feature of modern constitutionalism. At a general level, this prominence is perhaps unsurprising, given the long history of the idea. However, in many constitutional democracies, including the UK and the USA, it has acquired a particular resonance in contemporary circumstances with the declining power of social deference, the expanding reach of populist accountability mechanisms, and the increasing willingness of citizens to find mechanisms for challenging official decision-making. These essays, by public law scholars, seek to explore how ideas of and...

The topic of sovereignty is contentious, and one of enduring interest. In a world of ever increasing economic globalisation, the rise of supranational regulation and the interconnected age of information and communication technology, among many other developments, have challenged the once exclusively held Westphalian model of sovereignty. The distinction between the internal aspect of sovereignty as expressed in terms of ultimate authority in a constitution, and the external aspect involving the relationship between sovereign states has been blurred. This has given rise to contemporary...