Along with a smaller supply of munis, demand is rising. Municipal bonds tend to trade less efficiently than other fixed income instruments.Brandywine Global sees plenty to like in credit markets. But dexterity and patience are key to finding opportunities and avoiding risks. We believe the concerns over rising US deficits, growing debt burdens and decreasing demand for US Treasuries are somewhat overstated. PERFORMANCE BOND REQUIRED (May be in form of cash or certified check). Supply is usually the culprit, not demand. The combination of higher prices and lower output generally arises from an adverse supply shock.