Economic yoyos and never-perfect value systems. - Yi Lin 001; Dillon Forrest (Kybernetes, 2008)

Economic yoyos and Becker's Rotten Kid theorem. - Yi Lin 001; Dillon Forrest (Kybernetes, 2008)

Economic yoyos, parasites and child labor. - Yi Lin 001; Dillon Forrest (Kybernetes, 2008)