@unpublished{Gurdal2020hpgc,
	Author = {G{\"u}rdal,Mehmet Y. and Torul,Orhan and Yah{\c{s}}i,Mustafa},
	Date-Modified = {2020-07-28 21:46:42 +0300},
	Month = {June},
	Note = {Bo{\u g}azi{\c c}i University, Department of Economics Working Papers. Available at http://web.boun.edu.tr/torul/hpgc.pdf},
	Title = {Heterogeneity in Public Good Contributions: The Pivotal Role of the First Round},
	Year = {2020}}