原文标题：
TechnologyandacademiaMrSmithgoestoSiliconValleyBigtechcannotgetenougheconomicsPhDsWhyeconomistsareflockingtoSiliconValleyAndwhybigtechwantsthem[Paragraph1]FORMOREthanadecadeFacebook,nowknownasMeta,hasawardedfellowshipstopromisinggraduatestudentsworkingoncutting-edgeresearch.Theprize,whichthisyear