Examples of this kind of work are Mas and Moretti (2009) (peer effects on productivity) and Einav et al. (2015) (effect of starting price on auctions at eBay).
ນີ້ Mas and Moretti (2009) (ມິດສະຫາຍຜົນກະທົບຕໍ່ຜະລິດຕະພັນ) ແລະ Einav et al. (2015) (ຜົນກະທົບຂອງລາຄາເລີ່ມຕົ້ນກ່ຽວກັບການປະມູນໃນ eBay).