Turk Emeklilik Sisteminde Reform (in Turkish; with Yusuf Alper and Serdar Sayan ), TUSIAD, 2004.
Turk Emeklilik Sisteminde Reform (in Turkish; with Yusuf Alper and Serdar Sayan ), TUSIAD, 2004.
The Fiscal Cliff: How America Can Avoid a Fall and Stay on Top, 2011 (with Ayse Imrohoroglu).