Introduction -- Smes and regional production networks -- SMEs and production networks : framework -- SME participation in production networks : an analytical framework -- Constraints to growth and firm characteristic determinants of SME participation in production networks -- Constraints on SMEs and their participation in production networks : experiences of countries studied -- Constraints, determinants of SMEs' innovation, and the role of government supports -- Small and medium enterprises' access to finance : evidece from selected asian economies -- Conclusion and policy recommendations.