It revived its fortunes by retargeting itself as a productivity tool for warehouses, security teams at airports and other specialized locations where on-the-job effectiveness did require the ability to glide quietly along a smooth surface at 12 m.p.h.

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Some securities lawyers say his job raises questions about the effectiveness of bans, an important tool used by regulators to protect investors.

WSJ: Gray Areas in Jobs After an SEC Ban

Whether you are asking for a job introduction or a dentist recommendation, the effectiveness of your request to any specific friend comes down to willingness (will this person get back to me?) and ability (will this person know the contact I need?).

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Randomised trials have been used to evaluate the effectiveness of driver-education programmes, job-training schemes, classroom size, psychological counselling for post-traumatic-stress disorder and increased investment in public housing.

ECONOMIST: Social science

Research on work design and job characteristics clearly indicates that a key driver of the effectiveness of remote working is the structure of the work.

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The company said the job losses were needed as part of moves to streamline its operations and improve cost effectiveness.

BBC: NCR accused over Indian employees