In the U. S., each additional year of schooling has historically raised a person's wage on average by about .a. 5 percent. In less developed countries the gap between the wages of educated and uneducated workers is smaller. b. 10 percent. In less developed countries the gap between the wages of educated and uneducated workers is smaller. c. 5 percent. In less developed countries the gap between the wages of educated and uneducated workers is larger. d. 10 percent. In less developed countries the gap between the wages of educated and uneducated workers is larger.

d. 10 percent in less developed countries the gap between the wages of educated and uneducated workers is larger.

Explanation:

Historically, in U.S additional schooling years have raised a person's wage in average by about 10%. There is a wide gap between educated and uneducated is wide because employers tend to pay more for educated workers because of their certification and ability to facilitate positive work through the rigourous training they have undergone unlike uneducated workers. industries with higher education and training requirements tend to pay workers higher wages. The increased pay is due to a smaller labor supply capable of operating in those industries/organizations, and the required education and training usually have significant costs.

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