Sept. 21 (Bloomberg) -- Russ Koesterich, global chief investment strategist for the iShares unit of BlackRock Inc. says he thinks the biggest threat to the global economy right now is the looming "fiscal cliff." Koesterich speaks with Bloomberg's Carol Massar and Michael McKee on "Bloomberg On the Economy." (Source: Bloomberg)

Sept. 25 (Bloomberg) - David Rosenberg, chief economist and strategist at Gluskin Sheff & Associates, says that the modest recovery in the U.S. is due to manufacturing, not housing. Rosenberg speaks with Bloomberg's Carol Massar and Michael McKee on "Bloomberg On the Economy." (Source: Bloomberg)

Sept. 26 (Bloomberg) -- Yannis Ioannides, professor of economics at Tufts University, Sassan Ghahramani, president and chief executive officer of SGH Macro Advisors, Edward Hugh, author of the Economonitor blog and Bloomberg reporters Tom Stoukas in Athens and Angeline Benoit in Madrid discuss the Greek budget, protests in Madrid and other developments in Europe. They speak with Bloomberg's Carol Massar and Michael McKee on "Bloomberg On the Economy." (Source: Bloomberg)