That was underlined again on Friday by the German Economy Minister, Philip Roesler.

BBC: Deadlock in the eurozone

The German Economics Minister, Philipp Roesler, called his intervention "irresponsible".

BBC: Resentment towards Germany

This time around, as the series draws to a close, Daniel Vega Villar from Spain, Sarah Kakakhel from Pakistan, Aisha Yaqub from Dubai, Owais Shah from France, Zak Roesler from the US, Suzi Dutfield from the UK and Robert Patrick McCarthy from Germany give their inspiring tips.

BBC: Business