Bond yields a one-way bet? Loosening Europe's purse strings will end trend

LONDON (Reuters) - For months, global bond yields have moved one way - down. Now, signs that Germany may finally be prepared to accept higher spending to boost its economy means investors are starting to question whether entrenched market pessimism is justified. Economists have for years called on thrifty governments, above all euro zone powerhouse Germany, to spend more to shore up domestic growth, rather than relying on central bank policy to do the trick. After all, a decade of monetary..