[2] See, e.g., \citet{beloGalaLi2013,BesleyMueller2017,gourioSiemerVerdelhan2015,HandleyLimao2015,kellyPastorveronesi2016,koijenPhilipsonUhlig2016}.
[3] Examples include \citet{BachmannElstnerSims2013,GiglioKellyPruitt2016,JurardoLudvigsonNg2015}.