June 8 (Bloomberg) -- Bill Gross, manager of the world’s biggest mutual fund, said Mexican, German and Canadian debt is more attractive than Treasuries.

The U.S. has been using “financial repression” to stimulate the economy and bring real interest rates to a point where they can’t go much lower, he said today at the Morningstar conference in Chicago. Lawmakers in the U.S. will find it difficult to start a third round of asset purchases through the central bank, known as quantitative easing, he said.

To contact the reporter on this story: Sree Bhaktavatsalam in Boston at sbhaktavatsa@bloomberg.net

To contact the editor responsible for this story: Christian Baumgaertel at cbaumgaertel@bloomberg.net