IBM stock currently sells for 64 dollars per share. The implied volatility equals 40.0. The risk-free rate of interest is 5.5 percent continuously compounded. If you shorted an option on 100 shares of IBM stock with strike price 69 and maturity 9 months, how many shares of stock would you have to buy (sell) to create a delta-neutral hedge

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.