Stephen McDonald

Head of Economics

Latest articles from Stephen

Unlocking the benefits of digital wallets
Policy research paper

Unlocking the benefits of digital wallets

Understanding digital wallet use and the value of innovation

37 min read
Commercial Baby Food and Drink
Policy research paper

Commercial Baby Food and Drink

Interim assessment of the voluntary industry nutrition guidelines

33 min read
A Veterinary Ombudsman
Policy paper

A Veterinary Ombudsman

The rationale for an Ombudsman to be established as part of reforms to the Veterinary Surgeons Act

13 min read
Policy submission

Defra’s consultation on veterinary regulatory reform

Which? response to Defra’s consultation on reform of the Veterinary Surgeons Act 1966

1 min read
Policy submission

DBT's consultation on Refining our Competition Regime

Which? response to the Department for Business and Trade’s consultation on Refining our Competition Regime

2 min read
Loyalty Pricing in Health and Beauty
Policy research paper

Loyalty Pricing in Health and Beauty

Analysis of pricing promotions at Boots and Superdrug

17 min read
Policy submission

The CMA's provisional decision in its veterinary services market investigation

Which? response to the CMA’s consultation on its provisional decision in the veterinary services for household pets market investigation

1 min read
Policy submission

The CMA's proposed decision to designate Google’s general search services as having Strategic Market Status

Which? response to the CMA’s proposed decision to designate Google’s general search services as having Strategic Market Status

1 min read
How green are green claims?
Policy research paper

How green are green claims?

An analysis of environmental claims on products

47 min read
Policy submission

The CMA's Remedies Working Paper for its market investigation in veterinary services

Which? response to the CMA’s consultation on the Vets market investigation: remedies working paper

1 min read
Complaints and redress in veterinary services
Policy research paper

Complaints and redress in veterinary services

34 min read
By Fair Means or Foul?
Policy research paper

By Fair Means or Foul?

Consumer Attitudes towards Dynamic Pricing

26 min read
Policy submission

DBT's consultation on the resale of live events tickets - Which? response

Which? response to DBT's Putting Fans First - A consultation on the resale of live events tickets

3 min read
Policy submission

The CMA's invitation to comment on the Strategic Market Status investigation into Google’s General Search and Search Advertising services

Which? response to the CMA's invitation to comment on the Strategic Market Status investigation into Google’s General Search and Search Advertising services

1 min read
Policy submission

Competition and Markets Authority Draft Annual Plan 2025 to 2026

Which? response to the CMA's consultation on its draft annual plan for 2025 to 2026 emphasising the importance of the CMA making effective use of both its consumer protection and competition powers, including the new powers provided through the DMCC Act, to protect consumers

2 min read
Consumer Policy for Economic Growth
Policy paper

Consumer Policy for Economic Growth

In this collection of five essays with contributions from leading business voices, we set out the important ways in which consumer policy can be used to support economic growth

2 min read
Policy research paper

Decoy offers and consumer choice

Experimental evidence on the impact of decoy broadband packages. 

27 min read
Policy research paper

Loyalty Schemes and Member-only Price Promotions

A policy research report exploring member only promotions at supermarkets and major health and beauty retailers

29 min read
Policy submission

The CMA's Issues Statement for its market investigation in veterinary services

Which? response to the CMA’s Issues Statement for its Market Investigation into the supply of veterinary services in the UK

1 min read
Policy submission

Digital Markets Competition Regime Guidance

Which?'s response to the Competition and Markets Authority consultation on its draft guidance

1 min read