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Is the Greek rail network so inefficient it would be cheaper to send every Greek rail passenger by taxi instead?

Also in this week's programme, a number of global companies have seen significant shareholder rebellions over executive pay in recent weeks.

Are shareholders right to question whether they are getting good value for money from their CEOs?

New research suggests they are.

(Image: A Greek railway employee signals for departing and arriving trains at Athens main train station. Credit: Reuters)