Maternal education and early child development: the roles of parental support for learning, learning materials, and father characteristics / Yusuf Emre Akgündüz (Sabanci University), Pelin Akyol (Bilkent University), Abdurrahman B. Aydemir (Sabanci University), Murat Demirci (Koc University), Murat G. Kirdar (Bogazici University and IZA) ; IZA - Institute of Labor Economics