Explain why the wide-bodied segment of the large commercial jet aircraft industry can only profitably support two players at present. what are the implications of your answer for barriers to entry into this segment? are entry barriers into the narrow-bodied segment the same as those into the wide-bodied segment? explain your answer? given future projections for demand, how do you think the industry as a whole will do over the next twenty years? how might your forecast differ for the wide-bodied and narrow-bodied segments? if you were a new entrant into the bottom part of the narrow-bodied industry, as are comac and bombardier, what would be your long- term development strategy? what can boeing and airbus do to deter further entry into this industry, and/or keep new entrants boxed into the bottom end of the market (that is, smaller, narrow-bodied jets)? "g"

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?

University hero is considering expanding operations beyond its healthy sandwiches. jim axelrod, vice president of marketing, would like to add a line of smoothies with a similar health emphasis. each smoothie would include two free health supplements such as vitamins, antioxidants, and protein. jim believes smoothie sales should fill the slow mid-afternoon period. adding the line of smoothies would require purchasing additional freezer space, machinery, and equipment. jim provides the following projections of net sales, net income, and average total assets in support of his proposal. sandwichesonly sandwiches and smoothies net sales $ 750,000 $ 1,350,000 net income 120,000 210,000 average total assets 350,000 750,000 return on assetschoose numerator ÷ choose denominator = return on assets÷ = return on assets÷ = profit margin÷ = profit margin÷ = asset turnover÷ = asset turnover÷ = times

Anational survey asked people, "how often do you eat out for dinner, instead of at home? " the frequencies were as follows.