2. Alternative explanations of wage disparities Suppose that a professor of labor economics performs a statistical analysis on economywide worker wages using standard, measurable explanatory factors, such as job characteristics, years of experience, and so forth. About what percentage of the variation in worker wages can be attributed to such measurable explanatory factors? A bit less than 50% Almost 100% Nearly 0% A bit more than 60% Which of the factors from the following list are typically left out of the quantitative analysis of wages but may be able to explain disparities that are unaccounted for by standard metrics? Check all that apply. Natural ability Effort Age Years of experience Chance