Individuals tend to see themselves as more average than is the case, British Politics and Policy, London School of Economics, March 2015, with Eugenio Proto.

The desire to be average, Economic Research Institute Bulletin, University of Warwick, Spring 2014, with Eugenio Proto.

Journal quality and citations: Why economists should practice what they preach, VoxEU, November 2013.

REF panel must blend citation and publication data, Times Higher Education, September 2013. Originally published in print as: How a clergyman’s insights can answer panellists’ prayers (19 September 2013).

Whistling while you work: Happiness is good for productivity, British Politics and Policy, London School of Economics, July 2013.

A New Happiness Equation: Worker + Happiness = Improved Productivity, Economic Research Institute Bulletin, University of Warwick, 2009/10 Issue 3, July 2010, with Andrew Oswald and Eugenio Proto.

"Happiness economics" in reverse: Does Happiness Affect Productivity?, VoxEU, July 2010.

Herding, Contrarianism and Delay in Financial Markets, Royal Economic Society Conference Press Pack, April 2009, with Andreas Park.

What Causes Herd Behavior in Financial Markets and What is its Impact? ESRC World Economy and Finance Programme Discussion Forum, November 2008, with Andreas Park and Hamid Sabourian.