Modern democracies rest on elections. They are the main way voters are supposed to shape what governments do. In theory, elections ensure that public policy reflects what people want. But does that actually happen in practice? Political science has long been divided on this question.

One side of the debate argues that elections can work as intended. Voters understand the difference between left and right. They have a sense of where political parties sit on that spectrum. They broadly know where they themselves stand. And they choose which party to support on that basis.

Another influential strand of research is far more sceptical. It suggests that most voters do not have clear or well formed policy preferences at all. And when they do, those preferences often come after choosing a party, not before. Voters identify with a party first, then adopt that party’s positions as their own.

This debate has been running for decades. But a new book offers a third perspective that could help move things forward. It argues that the debate has set the bar too high for what counts as a meaningful voter preference. Once we measure preferences in a more realistic way, a clearer picture starts to emerge.

One of the authors of that book is our very own Ben Lauderdale, friend of the podcast and Professor of Political Science here in the UCL Department of Political Science. We are delighted that Ben joins us this week to walk us through the research and what it tells us about how voters really think.

Mentioned in this episode:

• Idiosyncratic Issue Opinion and Political Choice, by Nick Vivyan, Benjamin E Lauderdale, Chris Hanretty.

UCL’s Department of Political Science and School of Public Policy offers a uniquely stimulating environment for the study of all fields of politics, including international relations, political theory, human rights, public policy-making and administration. The Department is recognised for its world-class research and policy impact, ranking among the top departments in the UK on both the 2021 Research Excellence Framework and the latest Guardian rankings.