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AT&T: Managing Technological Change and the Future of Telephone Operators in the 20th Century, Teaching Note
Gross, Daniel P.; Kerr, William R.Teaching Note HBS-718518-EStrategyTeaching note for case 718486.Starting at €0.00
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AT&T: Managing Technological Change and the Future of Telephone Operators in the 20th Century
Gross, Daniel P.; Kerr, William R.Case HBS-718486-EStrategyBy the 1930s, AT&T dominated the American phone industry, serving 10 million telephones and employing over 100,000 switchboard operators. But beginning in the mid-1910s, the company began changing from manually-operated switchboards to mechanical switching systems that were faster and more cost-effective and did not require human operators. By the 1930s, the changeover has been completed or is underway in most American cities with over 50,000 peo...Starting at €8.20
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The De Beers Group: Exploring the Diamond Reselling Opportunity, Teaching Note
Esty, Benjamin C.; Gross, Daniel P.; Pickle, Lauren G.Teaching Note HBS-717481-EStrategyTeaching note for case 717430.Starting at €0.00
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The De Beers Group: Exploring the Diamond Reselling Opportunity
Esty, Benjamin C.; Gross, Daniel P.; Pickle, Lauren G.Case HBS-717430-EStrategyIn September 2014, Tom Montgomery (SVP of strategic initiatives at the De Beers Group) and his team launched a pilot program in the United States to explore the $1 billion diamond market for pre-owned (recycled) diamonds. According to Montgomery, the motivation for the pilot program was to improve the consumer reselling experience and to enhance "diamond equity". Somewhat paradoxically, consumers typically received very low prices when they tried...Starting at €8.20