Altruism, Noise, and the Paradox of Voter Turnout: An Experimental Study

Table 8

Maximum likelihood estimates.

Parameters	Rounds	Sessions or treatments	Coefficient	Standard errors	-statistics
λ	2nd half	All treatments	5.4909	0.5164	10.6332
	1st half	All treatments	1.0853	0.2841	3.8205
	1st half	Asymmetric treatments	1.732	0.4339	3.9704
	1st half	Symmetric treatments	0.5687	0.3767	1.5098
λ and α	1st half	Session 1, session 7
			0.5448	0.8978	0.6068
			0.129	0.3992	0.323
λ and δ	1st half	Session 1, session 7
			0.6155	0.8709	0.7068
			0.9748	1.9373	0.5032