“…Studies found that, in the labor market of the U.S., Italy and other countries, wages and employment shares at the tails of the skill distribution (i.e., high-skilled and low-skilled workers) steadily increased, while workers in the middle faced a crisis of stagnant wages and declining employment share [2,13,[18][19][20][21]. The existing literature reveals that technological strategies [22,23], international trade [24], foreign capital inflows [25], location [26] and other factors can affect wage polarization. This study refers to this change in labor market wages, which is similar to job polarization, as wage polarization.…”