@article{ ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTI1Ny9hZXIuMTAwLjMuOTU4, title = {Is a Donor in Hand Better than Two in the Bush? Evidence from a Natural Field Experiment}, journal = {American Economic Review}, volume = {100}, number = {3}, pages = {958-983}, author = {Landry, Craig E and Lange, Andreas and List, John A and Price, Michael K and Rupp, Nicholas G}, publisher = {American Economic Association}, year = {2010}, issn = {0002-8282}, language = {English}, url = {http://dx.doi.org/10.1257/aer.100.3.958}, url = {https://katalog.hszg.de/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTI1Ny9hZXIuMTAwLjMuOTU4} }