@base . . a ; "20240313152259.865673"^^ ; ; . a . , ; "American economic journal." ; , ; ; ; , ; ; ; "American economic journal. Applied economics (Print)" , "American economic journal." ; ; "http://www.jstor.org/action/showPublication?journalCode=aejapplecon" , "http://www.aeaweb.org/aej/app/index.php" . "Tennessee" . a , ; "American economic journal. Applied economics (Print)" . a ; . a ; "1945-7790" ; .