The second factor is the diversity of other revenue streams.

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While fragile, intangible cultural heritage is an important factor in maintaining cultural diversity in the face of growing globalization.

UNESCO: Intangible Cultural Heritage

Kilday said the movies favored by the academy also factor in the lack of diversity.

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Managers should take note that "a raft of research published over the last decade has shown that gender diversity and the right balance of talent can be a contributing factor to business performance, so there is a strong business case to ensure that we nurture female talent from the very start of their careers", said Ms Jackson.

BBC: Graduate pay gap - women paid thousands less than men

This lack of diversity of opinion is a shame and, I believe, is a significant factor in explaining why the agency has lost so much of the credibility it once enjoyed.

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