23. The wage inequality has been increased since the 1970s in the US. Which of the following statements is false? A) Economists believe that the skill-biased technological progress is the major factor behind this trend. B) Since wages for skilled workers have risen significantly, the increase in demand for skilled labor must have outweighed the increase in supply of skilled labor. C) An increase in supply of low-skilled labor has contributed to a decline in wages for low- skilled workers, but a decrease in demand for low-skilled labor has done the opposite. D) Decline in labor union and decrease in real value of minimum wage may have contributed to widening wage inequality, but economists do not believe that this is a major factor behind this trend. E) None of the above are false