Richard Koo, chief economist of Nomura Research Institute, says there is already enough liquidity in the Japanese banking system to increase money supply five times, but the private sector is not borrowing.

Patrick O'Keefe, director of economic research, CohnReznick, expects U.S. private sector gains to have been suppressed by concerns over the fiscal cliff and argues the recovery in jobs has so far been concentrated to the public sector.

Gill Marcus, governor of the South African central bank, says the Rand's weakness against the dollar is overdone at the moment, and expects the currency to stabilize itself at around 8.5 Rands a dollar level.

Patrick Spencer, managing director, Baird, discusses the U.S. employment situation and the results of the U.S. banks stress tests.

Enrico Giovannini, President of the Italian Statistical Institute, says many Italian enterprises survive because they don't pay taxes, adding 40-50 percent of the retail trade, construction and tourism sectors is underground.

Lorenzo Bini Smaghi, former ECB governing council member, says the markets do not understand what is going on in Italy. A new government will take months to form, not days, he says, and the country will come under pressure from investors sooner than many expect.

European shares opened higher ahead of U.S. nonfarm payrolls released later today.

Jim O'Neill, Chairman of Goldman Sachs Asset Management, says the momentum behind the U.S. numbers is good, despite the fiscal drag.

Hans-Werner Sinn, president of the IFO Institute discusses Germany's willingness to support weaker euro zone economies and reforms needed to kick-start growth.

Francisco Jeronimo, research director of European mobile devices at IDC, analyzes the smartphone market and the outlook for Apple and Samsung.

Nouriel Roubini, co-founder and chairman of Roubini Global Economics, warns that the benefits of QE and a boom in shale gas will not be able to outweigh the negative effects of the sequester on the US economy.

Charlie Mayfield, chairman of the John Lewis partnership at John Lewis, tells CNBC that there are still opportunities on the high street for businesses who are prepared to take risks.

European shares ended slightly lower on Thursday, held back by a post-results slump for British insurer Aviva, and some said they expected the pullback to continue in the short term.

Kevin Gardiner, head of investment strategy at Barclays, tells CNBC that from a narrow investor viewpoint, European stock markets have the edge over most other asset classes.

John Authers, senior investment columnist at the Financial Times, tells CNBC that the ECB is divided when deciding which policy avenue to follow.

Michael Mewes, portfolio manager at JPMorgan Asset Management, tells CNBC that the market reaction to the ECB press conference was completely out of context, with a "non-event" Draghi speech.

Alan Higgins, chief investment officer, UK, Coutts, , argues that future monetary policy in Europe should be more creative with quantitative easing going beyond gilts. He is joined by Jan Randolph, head of sovereign risk, IHS Global Insight.

Steen Jakobsen, chief economist at Saxo Bank discusses the continuing stock market rally despite disappointing economic data.

Ashok Vaswani, CEO of Barclays Retail and Business Banking and Thea Green, CEO and founder of Nails Inc. discuss the dilemma of youth unemployment in Europe.

Tom Rogers, CEO of TiVO, tells CNBC that the key asset of their company is innovation and they have won over a billion dollars in damages protecting their technology.