Here's why foreign demand for US bonds will remain strong - regardless of what Japan does, according to Goldman Sachs

• Demand for US bonds from foreign buyers will remain strong, according to Goldman Sachs.
• Goldman said it expects a solid appetite from foreigners for US bonds even as Japan phases out its yield curve control policy.
• "Lack of domestic alternatives will likely continue to put a floor on foreign net purchases," Goldman said.

Foreign buyers will continue to have a strong appetite for US bonds, even as Japan begins to phase out its yield curve control policy, according to Goldman Sachs.