The essays presented in this volume examine knowledge mobilisation and its relation to research impact and engagement. The social sciences matter because they can help us to understand and address the complex challenges confronting society. This is particularly true in an era of significant downward pressure on public expenditure, a consequence of the global fiscal crisis, when there is a striking need to ensure that policies are demonstrably effective and efficient. The impact agenda in the UK, reflected in parallel global debates, actively encourages the social sciences to make and...