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Big Line Or Big Clique ConjectureRemove Big Line Or Big Clique Conjecture →

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  • August 2019 (Revised March 2022)
  • Case

Lemonade: Disrupting Insurance with Instant Everything, Killer Prices, and a Big Heart

By: Elie Ofek and Danielle Golan
Launching its first products in the fall of 2016 in New York, insurtech startup Lemonade was on a mission to disrupt the insurance market by using AI and behavioral economics principles. The company offered renters, homeowners, and condo insurance and mainly targeted... View Details
Keywords: AI; Business Startups; Insurance; Technological Innovation; Business Model; Disruption; Brands and Branding; Growth and Development Strategy; Global Strategy; Decision Making; Insurance Industry; Technology Industry
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  • November 2016 (Revised September 2018)
  • Case

Elon Musk's Big Bets

By: David B. Yoffie, Eric Baldwin and Brandon Kaufmann
Between late 2014 and late 2016, Tesla CEO Elon Musk undertook several major, and risky, initiatives that would dramatically expand the scale and scope of Tesla’s business. In late 2014, Tesla began construction on a $5 billion “gigafactory” that would manufacture... View Details
Keywords: Electric Vehicles; Batteries; Solar Power; Strategy; Execution; Technology; Space Flight; Tesla; SolarCity; SpaceX; Elon Musk; Information Technology; Risk and Uncertainty; Expansion; Renewable Energy; Investment; Manufacturing Industry; Green Technology Industry; Auto Industry; Aerospace Industry; Battery Industry
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  • Article

Every Large Point Set Contains Many Collinear Points or an Empty Pentagon

By: Zachary Abel, Brad Ballinger, Prosenjit Bose, Sébastien Collette, Vida Dujmović, Ferran Hurtado, Scott Duke Kominers, Stefan Langerman, Attila Pór and David Wood
We prove the following generalised empty pentagon theorem for every integer ℓ ≥ 2, every sufficiently large set of points in the plane contains ℓ collinear points or an empty pentagon. As an application, we settle the next open case of the “big line or big clique”... View Details
Keywords: Erdős-Szekeres Theorem; Happy End Problem; Big Line Or Big Clique Conjecture; Empty Quadrilateral; Empty Pentagon; Empty Hexagon
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  • July – August 2010
  • Column

Powerlessness Corrupts

By: Rosabeth M. Kanter
Powerlessness damages organizations--especially in the middle ranks, says HBR columnist Rosabeth Moss Kanter. Hemmed in by rules and treated as unimportant, people get even with management by overcontrolling their own turf. Kanter urges leaders to give employees... View Details
Keywords: Employee Relationship Management; Opportunities; Behavior; Motivation and Incentives; Power and Influence
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  • Research Summary

Overview

By: Kris Johnson Ferreira
Professor Ferreira's research primarily focuses on how retailers can use algorithms to make better revenue management decisions, including pricing, product display, and assortment planning. In the retail industry, anticipating consumer demand is arguably one of the... View Details
Keywords: E-commerce; Analytics; Revenue Management; Pricing; Assortment Planning; Field Experiments; Operations; Supply Chain; Supply Chain Management; Retail Industry

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