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  • 2020
  • Working Paper

Social Interactions in Pandemics: Fear, Altruism, and Reciprocity

By: Laura Alfaro, Ester Faia, Nora Lamersdorf and Farzad Saidi
In SIR models, homogeneous or with a network structure, infection rates are assumed to be exogenous. However, individuals adjust their behavior. Using daily data for 89 cities worldwide, we document that mobility falls in response to fear, as approximated by Google... View Details
Keywords: Social Interactions; Pandemics; Mobility; Cities; SIR Networks; Social Preferences; Social Planner; Targeted Policies; Health Pandemics; Interpersonal Communication; Behavior; Policy
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  • September 1994
  • Case

Marks & Spencer: Sir Richard Greenbury's Quiet Revolution

By: Joseph L. Bower and John B. Matthews Jr.
Marks & Spencer (M&S) is one of the world's greatest companies. In 1994, its management was chosen the most admired in Europe by 637 peers. The case explores how Sir Richard Greenbury, appointed the new chairman of the company in 1991, transformed his inheritance into... View Details
Keywords: Growth and Development Strategy; Business or Company Management; Business Strategy; Management Teams; Global Strategy; Multinational Firms and Management; Europe; United States
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