Serbia's public debt-to-GDP ratio narrowed to 43% at the end of September from 43.1% a month earlier, the finance ministry said on Tuesday. Serbia's finance ministry's building in Belgrade; Photo by Fred Romero via WikiCommons, CC 2.0. Total public debt fell to 38.112 billion euro ($43.788 billion) at the end of September from 38.240 billion euro at the end of August, the finance ministry said in a data release. [...]