. >>> syriana is here to talk about a concerted move by the banks? >> that is right, and a surprise move, global central banks have agreed on a coordinated action to ease strain on the world's financial system, aiming to shore up markets and boost landings. the joint announcement was made by the european central bank, the u.s. federal reserve, and the central banks of japan, britain, and canada. stock-market prices surged following the announcement. in frankfurt, the dax jumped 4.6% in early afternoon trading, and the euro hit a high against the u.s. dollar. >>> we last saw this concerted action when lehman brothers went down. i asked the german institute of economic research if things are really that bad again. >> yes, i think so, this is true. if we look at credit default swaps, they are at an unprecedented heights. also, the interbank market has dried out. there may be big problems emerging at the moment. >> how long can the positive effect last? >> usually this only blasts some days because everybody is clear about the fact that governments have