@TechReport{iza:izadps:dp3636,
            	author={Heckman, James J.},
            	title={The Effect of Prayer on God's Attitude Toward Mankind},
            	year={2008},
	month={Aug},
            	institution={Institute of Labor Economics (IZA)},
            	address={Bonn},
            	type={IZA Discussion Paper},
            	number={3636},
            	url={https://www.iza.org/publications/dp3636},
	abstract={This paper uses data available from the National Opinion Research Center's (NORC) survey on religious attitudes and powerful statistical methods to evaluate the effect of prayer on the attitude of God toward human beings.},
	keywords={unobserved variables;kernel estimator},
            }