<p>Weekly Review Quiz as of 2010-07-29 Economics: Micro </p><p>Wal-Mart Radio Tags to Track Clothing by Miguel Bustillo 07/23/2010 http://online.wsj.com/article/SB10001424052748704421304575383213061198090.html </p><p>1. Wal-Mart Stores Inc.’s latest example of squeezing costs out of its operations and then passing savings to consumers is a) cutting wages. b) moving clothing suppliers from China to Indonesia. c) forcing suppliers to take 5% cuts in payments. d) forcing suppliers to take 2.5% cuts in payments. * e) placing smart tags on individual garments.</p><p>Rising Costs Clip Amazon Shares by Geoffrey A. Fowler 07/23/2010 http://online.wsj.com/article/SB10001424052748703467304575383503772238326.html </p><p>2. Shares on Amazon.com Inc. tumbled 13% in Thursday’s after-hours trading because </p><p>* a) investors were spooked by the amount of money the company is spending to expand its empire. b) the company posted lackluster second-quarter sales growth. c) the company announced that it is moving exclusively into brick-and-mortar retailing. d) the company announced that it is opening a limited number of brick-and-mortar retail outlets. e) investors expect fierce competition with Wal-Mart’s online division.</p><p>Small Screens, Big Budgets by Amy Chozick 07/23/2010 http://online.wsj.com/article/SB10001424052748704684604575381030727161888.html </p><p>3. Coming to cable TV in the coming months are a) dramatic budget cuts. b) more low-cost sitcoms. * c) some of the most expensive TV series ever produced. d) all of the above. e) none of the above. EU Adds IBM to Target List by Charles Forelle 07/27/2010 http://online.wsj.com/article/SB10001424052748703700904575390860695065540.html </p><p>4. Reanimating long-dormant scrutiny of International Business Machines Corp., European Union antitrust authorities said Monday they have opened formal investigations into Big Blue's conduct in the market for powerful mainframe computers. The chief complaint against Big Blue is that the company </p><p>* a) will not allow their customers to buy or license the IBM mainframe operating system, called zOS, to use with their emulators. b) has monopolized the mainframe market. c) is practicing predatory pricing. d) all of the above. e) none of the above.</p><p>5. While mainframe computer sales account for less than 4% of International Business Machine’s total sales, 40% of its profit comes from a) ancillary software for the big machines. b) services for the big machines. c) financing for the big machines. * d) all of the above. e) none of the above.</p>