Philippe Legrain, former economic advisor to the president of the European Commission, says no matter what the result of the Greek referendum is, it will lead to "chaos and limbo."» Read More
CNBC's Catherine Boyle discusses the latest developments around the Scottish independence referendum and whether the U.K. government's promise of more powers to Scotland will convince it to stay in the union.
Jörg Asmussen, former ECB executive board member, says monetary policy cannot be a substitute for structural reform in the euro area.
Former Italian Prime Minister Romano Prodi, says current leader Matteo Renzi is "indispensable" and has made the right choices so far.
EU trade Commissioner Karel De Gucht says sanctions on Russia have been "tough enough", adding that Russian President Vladimir Putin is a "chessmaster".
Alexis Tsipras, leader of Greek opposition party Syriza, says the fall in Greek GDP after the euro zone crisis has been a "disaster" and unemployment remains "unacceptable".
Ukrainian soldiers may have laid down their weapons – but Western leaders do not appear to hold out much hope for a permanent end to hostilities.
Yukon Huang, senior associate for the Asia program at Carnegie Endowment for International Peace, comments on Russia's relationships with its neighbors.
Davide Serra, founder and CEO of Algebris Investments, explains why he believes Europe is the best place to invest in for equities and credit.
Davide Serra, founder and CEO of Algebris Investments, says that Draghi's actions are "crucial" and discusses the euro zone's financial system.
NATO has yet to outline a strategy to deal with the Islamic State, a strategy closely watched by Turkey - which worries about the West arming the Kurds - CNBC's Hadley Gamble reports.
Pieter Nota, CEO of consumer lifestyle at Philips, says the "internet of things" and connectivity will create a lot of value for the consumers - but security and privacy should be the main concern.
European shares were lower in morning trade on Friday as investors booked profit after the European Central Bank announced a surprise trio of rate cuts on Thursday.
John Haynes, head of research at Investec Wealth & Investment, says that the ECB's "credible" stress tests will be sufficient in kick-starting a lending recovery in Europe.
Jesse Sherman, portfolio manager at Renaissance Asset Management, says that Russian equities have a significant discount to global emerging markets and advises where to invest in Russia.
Michael Burda, professor of economics at the School of Business and Economics at Humboldt University of Berlin, says that monetary policy alone can¿t send the euro lower.
Michael Burda, professor of economics at the School of Business and Economics at Humboldt University of Berlin, looks at the German labor market.
Matt Rogers, founder and vice president of engineering at Nest Labs, says it is building a "conscious home" that anticipates people's needs.
Ken Rogoff, professor of public policy and economics at Harvard University, says that the U.S. labor market is "not super-healthy" right now, but that it is "tighter" than people think.
Ken Rogoff, professor of public policy and economics at Harvard University, says that ECB's latest round of actions are "pretty big".
Kit Juckes, global head of foreign exchange strategy at Societe Generale, says Mario Draghi has "finally got leverage" on the euro.
Geoff Cutmore is co-anchor for CNBC’s flagship programme Squawk Box in EMEA; the three-hour show bookends the opening of European equity markets.
Based in London, Tso co-anchors CNBC flagship show in EMEA, Squawk Box, a show that sets the news agenda every trading day.
Stephen Sedgwick co-anchors CNBC's flagship program Squawk Box Europe and is also CNBC's OPEC reporter covering major meetings.