Which two of the texts possible explanations for increasing wage and salary inequality seem least consistent with

Question:

Which two of the text’s possible explanations for increasing wage and salary inequality seem least consistent with the following fact? The distribution of earnings has become more unequal within industries (both goods and service industries) and within age groups. Explain.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...