BULGARIAN ECONOMIC TOP NEWS DIGEST WEEKLY REPORT (27 JULY – 3 AUGUST 2007) Sections/headline briefs: MACROECONOMY: · EU grants � 200 M for ecology projects in Bulgaria · Regional Development Ministry to invest BGN 200 M plus in water supply and sewerage projects in 2007, 2008 · Trade deficit widens by 24% in 2006 · Bulgaria introduces flat tax in 2008 · Bulgaria unveils 200..