Sir, Deirdre McCloskey is surely wrong to compare Elizabethan and contemporary business ethics and claim that nothing has really changed (“ Business leaders are as ethical as ever”, June 17). Whether it’s dirty cars, inappropriate risk-taking in banks, clothes manufactured in dangerous conditions, inadequate data protection or misleading labelling, the sheer scale of today’s corporations means that a single unethical decision can affect millions of people across multiple jurisdictions. Worse, the complexity and opacity of modern business practices and supply chains serve to hide what is actually happening.

All the more reason, therefore, to demand higher transparency and ethical standards from our business leaders.

Daniel Chamier

London SW11, UK

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