In countries as disparate as Greece and Britain, more burdensome taxation and reduced public services - ostensibly to pay down debt - have resulted in a return to recession.
German Chancellor Angela Merkel said Monday that the eurozone debt crisis is "far from over" and the economic environment of next year will be more difficult.
Leading world economies pressed the United States to act decisively to avert a rush of spending cuts and tax hikes, warning that the so-called fiscal cliff is the biggest short-term threat to global growth.
Chinese telecom companies will encounter difficulties in Europe in the short term because of economic uncertainties and political risks, analysts said.
Greece must stay in the eurozone and maintain close ties with China to overcome the debt crisis.
European leaders agreed on a growth package of 120 billion euro ($150 billion) to stimulate the economy at their two-day summit.
China urged Europe and the upcoming G20 summit to reach a "timely" and "decisive" consensus to prevent the European financial crisis from spreading.