ch01_prob - 2 CHAPTER 1 OPERATIONS AND PRODUCTIVITY (c)...

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2 CHAPTER 1 O PERATIONS AND P RODUCTIVITY (c) Change in productivity ± 0.125 boxes/hour 1.2 Labor productivity is 160 valves/80 hours ± 2 valves per hour. 1.3 There are sundry articles about the growing “service econ- omy;” there are reports on labor-hours used to construct automo- biles (which frm uses less labor than others); there are quarterly reports on U.S. worker productivity; there are occasional reports on productivity aFFected by technology. 1.4 Bureau oF Labor Statistics (stats.bls.gov) is probably a good place to start as any. Results will vary For each year, but overall data For the economy will range From .9% to 3% (see Footnote in chapter) and mFg. could be as high as 5% and services between 1 and 2%. The data will vary even more For months or quarters. The data are Frequently revised, oFten substantially 1.5 (a) (b) (c) 1.6 Increase in productivity == 66 20 33 0 . .% 133 pkgs 26.6 pkgs per hour 5 = Units produced Input 100 pkgs 5 20 pkgs / hour percentage change boxes 0 125 30 4 166 . . 1.7 Last Year This Year Production 1,000 1,000 Labor Hr. @ $10 $3,000 $2,750 Resin @ $5 250 225 Capital cost/month 100 110 Energy 1,500 1,425 $4,850 $4,510 1.8 (a) ± .0096 rugs per labor $ (b) MultiFactor
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