Portrait of Callum Watling

Callum Watling : Consultant

Callum is a member of Oxera’s Competition, Regulation & Market Design and Financial Services teams. Prior to joining Oxera in 2018, he worked at Ipsos MORI, a global market research firm. Here, he specialised in customer research for the financial services sector, advising a range of multinational firms on their global customer research programmes.

Callum holds a Masters degree in Economics from University College London, where his curriculum focused on game theory, econometrics and industrial organisation; and an undergraduate degree in Economics and Management from the University of Oxford.

Callum speaks English.

Tel: +44 (0) 20 7776 6627

Callum's specialisms include:

professional experience

  • Economic advice to the arbitration tribunal in respect of the dispute between Standard Life Aberdeen and Lloyds Banking Group (2018–19)

  • Economic analysis of the design of equity trading markets in Europe for the Federation of European Securities Exchanges (2018–19)


  • MSc Economics, University College London, UK

  • BA Economics and Management, University of Oxford, UK

Latest Insights:  Callum Watling

Many financial assets trade away from exchanges in over-the-counter (OTC) markets. The academic literature has highlighted the value of both the OTC and exchange trading models but also notes some…
The decline in European public equity markets has sparked concern from policymakers about how to revive listings. Behind this overall declining trend, there is a notable variation between financial centres.…
Public equity markets bring substantial benefits. However, in recent years there has been a fall in the number of initial public offerings (IPOs), and an increase in delistings as companies…

The Economics of Climate Change at COP26

Oxera will be presenting on The Economics of Climate Change at COP26—the 2021 United Nations Climate Change Conference—in Glasgow, on one of the world leaders’ days on 2 November 2021. The aim of COP26 is to increase global alignment on climate action. We will be demonstrating to the world’s governments,… Read More

Image depicting The Economics of Climate Change at COP26