José Manuel Durao Barroso, former president of the European Commission and visiting professor of international economic policy at Princeton University says that it would be "a huge mistake" for the euro zone to allow one country to bend the basic euro zone rules.
European markets ended slightly lower Monday as investors focused on fresh Russian sanctions from the European Union and negotiations between Greece and the rest of the euro zone over its debts.
Discussing the Greek debt negotiations, Michael Gallagher, director of research at Idea Global, says we're getting closer to a deal, hopefully within the next week.
The latest additions to the EU's list of those Russians and Ukrainians who have had their European assets frozen, include a famous crooner.
Discussing the Greek debt negotiations, Thanos Vamvakidis, head of European G10 FX strategy at BofA Merrill Lynch Global Research, tells CNBC why he doesn't think a deal will be made on Monday.
Gemma Godfrey, head of investment strategy at Brooks Macdonald Asset Management, gives three reasons why European equities look good in the long term, especially compared with the U.S.
Ebrahim Rahbari, director of European and global economics research at Citi, says that Germany's top strategic objective is for euro zone countries to keep "playing by rules."
Willem Nabarro, Head of European Equities for Asia at Exane-BNP Paribas, explains why he's not expecting a deal to be made in Brussels on Monday.
Steve Goldman, managing director at Kapstream Capital, says Greece and its international creditors will find common ground in the short run, but the same situation could see a repeat until an inevitable default in Greece.
Nizam Idris, MD, head of Strategy at Macquarie, expects the euro to hit 1.12 to the dollar over the next 3 months on the back of growth worries and uncertainty over Greece.
Harmut Issel, head of Equity and Macro APAC at UBS, says both Greece and its European creditors have a lot to lose hence the possibility of Greece exiting the euro zone is "fairly small."
Antonio Fatas, professor of Economics at INSEAD, says the euro zone finance ministers' meeting on Monday will likely revolve around semantics, as the details of a Greek deal will need weeks, if not months, of negotiation.
Richard Harris, CEO of Port Shelter Investment Management, explains why Greece will be the biggest loser at the end of the day.
Jeffrey Halley, senior manager for FX Trading at Saxo Capital Markets and Richard Harris, CEO of Port Shelter Investment Management, discuss the outlook of the euro and Japanese yen this week.
Sean Callow, senior currency strategist at Westpac, says the meeting between Greece and euro zone finance ministers on Monday will likely "produce some sort of deal to buy time."
Mark Melatos, senior lecturer at the School of Economics, University of Sydney, explains why the odds of a deal between Greece and its European creditors are low.
Ahead of the Lunar New Year holiday on Thursday, markets will be on the lookout for Japan's fourth-quarter GDP, alongside China's property data and a slew of central bank decisions.
Despite having lost millions of dollars because of sanctions against Russia, the rich there still support their leader.
European equities closed higher on Friday with investor sentiment boosted by better-than-expected growth numbers out of the euro zone and the prospect of a cease-fire deal between Ukraine and Russia.
Euro zone GDP data has boosted by 0.3 percent. Peter Dixon, economist at Commerzbank, says that Germany's GDP data has given the euro zone data "a real lift," however "I'm skeptical" on whether it can be sustained.
Get the best of CNBC in your inbox