Repsol

If you had asked board directors at the beginning of last week which of two situations – the stand-off between Russia and Ukraine in Crimea, and the forthcoming British Budget – was politically riskier, they would have chosen the first. But for a few insurers involved in the lucrative business of offering annuities to pensioners, Britain turned out to be the more perilous place after George Osborne, the UK chancellor, astounded them by announcing reforms that could cut the size of that market by 90 per cent.

Andrew Hill

If mergers of equals are risky and hostile takeovers riskier, where does expropriation rank on the scale of management disruption?

Pretty high, I would guess. So, a day after Argentinian government officials walked into YPF’s headquarters with a list of senior Spanish executives they wanted to expel and an order to renationalise most of Repsol’s majority stake, I feel for the oil company’s staff. Read more