In some industries, the labor productivity of union workers exceeds the labor productivity of nonunion workers. Which of the following might help explain the higher productivity of union workers? Check all that apply. Labor unions enable workers to voice concerns about working conditions and safety issues, making them more confident and less intimidated by their employers and thus more productive. Higher union wage rates allow companies to attract more highly skilled workers. Unions are always more efficient than firms at discerning which workers are highly skilled and which are not. Labor unions foster a more stable work force, decreasing turnover.

Upper a report about the decline of western investment in third world countries included this: "after years of daily flights comma several european airlines halted passenger service. foreign investment fell 400 percent during the 1990 s." what is wrong with this statement? choose the correct answer below. a. if foreign investment fell by 100 % comma it would be totally eliminated comma so it is not possible for it to fall by more than 100 %. b. the actual amount of the decrease in foreign investment is less than 100%. c. if foreign investment fell by 100%, it would be cut in half. thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. d. the statement does not mention the initial amount of foreign investment.