Freulia inc. manufactures and sells stationery and office supplies. the firm loses its competitive advantage with the entry of new competitors. in this case, in order to gain a sustainable competitive advantage, freulia inc. should: a) depend on government subsidies.
b) imitate the products of its competitors. c) build its own competitive advantages. d) aim at being the low-cost competitor in the industry.

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?