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                              Yu, Z. “On the coexistence of cryptocurrency and fiat money,” Review of Economic Dynamics,
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                              Yu, Z. “Association of Supplemental Nutrition Assistance Program Retailers with Child
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                              Aggregate economic analysis
                               
                           
                              
                              Broad theoretical and empirical research focusing on macroeconomics, labor, and public
                                 finance, including topics like taxation, digital currencies, aging, and inequality.