Q. a. Find the four-industry concentration ratios for the subsequent industries: fluid milk (311511), women's also girls cut & sew dresses (315233), envelopes (322232), electronic Computers (334111).
b. Which industries are characterized by a high level of competition? Which industries are characterized by a low level of competition? Define oligopolies also identify which of the listed industries qualify as oligopolies.
c. Name also describe some of the industries which operate in the listed industries which qualify as oligopolies.
d. Discuss whether or not oligopolies are always bad for society, using examples from the industries you described.