Suppose that the price of Asset X at close of trading yesterday was $300 and its volatility was estimated as 1.3% per day. The price of X at the close of trading today is $298. Suppose further that the price of Asset Y at the close of trading yesterday was $8, its volatility was estimated as 1.5% per day, and its correlation with X was estimated as 0.8. The price of Y at the close of trading today is unchanged at $8. Update the volatility of X and Y and the correlation between X and Y using (a) The EWMA model with 0.94. (b) The GARCH(1,1) model with = 0.000002, = 0.04, and = 0.94. In practice, is the parameter likely to be the same for X and Y?

Greenway industries is a major multinational conglomerate. its business units compete in a range of industries, including home appliances, pharmaceuticals, commercial real estate, and plastics manufacturing. although its largest business unit, which produces kitchen appliances, is among the most profitable in the industry, it generates only 35 percent of the company's revenues. which of the following is most likely true of greenway's stock price? a. it is valued at less than the sum of its individual business units. b. it is valued at greater than the sum of individual business units. c. it is valued at the exact sum of individual business units. d. it is consistently lower than the industry average.it is valued at greater than the sum of individual business units.

Sunset foods relies on a highly centralized functional structure to ensure consistency in the quality and taste of its products and to drive down costs via process innovations. however, as a consequence of its highly compartmentalized structure, the firm has found it difficult to transfer information and ideas from one department to the next. with the launch of its new line of breakfast foods coming up, how can sunset improve its ability to collaborate without sacrificing the benefits of its current structure

Warby parker, a manufacturer of fashionable prescription eyewear, notes on its website, "warby parker was founded with a rebellious spirit and a loft objective: to offer designer eyewear at a revolutionary price, while leading the way for socially-conscious business." this excerpt from the company's website states warby parker's