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March 2022 (Revised October 2022)
Teaching Note

On the Bubble: Startup Bootstrapping

By: Jeffrey J. Bussgang and Tom Quinn

This teaching note accompanies the case “On the Bubble: Startup Bootstrapping.” (HBS No. 822-033) View Details

2022
Article

Social Interactivity in Live Video Experiences Reduces Loneliness

By: Benjamin T. Kaveladze, Robert R. Morris, Rosa Victoria Dimitrova-Gammeltoft, Amit Goldenberg, James J. Gross, Judd Antin, Melissa Sandgren and Melissa C. Thomas-Hunt

Background: Loneliness, especially when chronic, can substantially reduce one's quality of life. However, positive social experiences might help to break cycles of loneliness by promoting more prosocial cognitions and behaviors. Internet-mediated live video... View Details

Keywords: Lonelines; Social Connection; Internet-mediated Communication; Experiment; Emotions; Well-being; Interpersonal Communication; Internet

March 2022
Case

Auto Mag (Abridged)

By: David E. Bell

A young HBS graduate purchases a publisher of specialty magazines that advertises second hand cars, boats, trucks, etc. The magazines carry photographs and a brief description of each article for sale. The company faces the problem of deciding on how many magazines to... View Details

Keywords: Distribution; Cost Management; Decision Choices and Conditions; Forecasting and Prediction

March 24, 2022
Article

How to Build a Life: Choose Enjoyment Over Pleasure

By: Arthur C. Brooks

March 2022 (Revised July 2022)
Teaching Note

Camera IQ and the Metaverse: Building Augmented Reality Brand Experiences

Camera IQ, a camera marketing software company that empowered brands to create and launch augmented reality experiences (AREs) across social platforms, had just raised an additional $5 million to fund further product development and expand its marketing and sales... View Details

2023
Working Paper

Can Evidence-Based Information Shift Preferences Towards Trade Policy?

By: Laura Alfaro, Maggie X. Chen and Davin Chor

Amid public skepticism about trade, we investigate whether evidence-based information--a concise statement of a research ﬁnding--can shape preferences towards trade policy. Across survey experiments conducted over 2018-2022 on U.S. general population samples, we... View Details

Keywords: Evidence; Preference; Trade Policy; Information; Trade; Policy; Attitudes

March 2022 (Revised January 2025)
Technical Note

Exploratory Data Analysis

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This module note provides an overview of exploratory data analysis for an introduction to data science course. It begins by defining the term "data", and then describes the different types of data that companies work with (structured v. unstructured, categorical v.... View Details

Keywords: Data Analysis; Data Science; Statistics; Data Visualization; Exploratory Data Analysis; Analytics and Data Science; Analysis

March 2022 (Revised January 2025)
Technical Note

Linear Regression

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This note provides an overview of linear regression for an introductory data science course. It begins with a discussion of correlation, and explains why correlation does not necessarily imply causation. The note then describes the method of least squares, and how to... View Details

Keywords: Data Science; Linear Regression; Mathematical Modeling; Mathematical Methods; Analytics and Data Science

March 2022 (Revised January 2025)
Technical Note

Prediction & Machine Learning

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This note provides an introduction to machine learning for an introductory data science course. The note begins with a description of supervised, unsupervised, and reinforcement learning. Then, the note provides a brief explanation of the difference between traditional... View Details

Keywords: Machine Learning; Data Science; Learning; Analytics and Data Science; Performance Evaluation; AI and Machine Learning

March 2022 (Revised January 2025)
Technical Note

Statistical Inference

By: Iavor I. Bojinov, Michael Parzen and Paul Hamilton

This note provides an overview of statistical inference for an introductory data science course. First, the note discusses samples and populations. Next the note describes how to calculate confidence intervals for means and proportions. Then it walks through the logic... View Details

Keywords: Data Science; Statistics; Mathematical Modeling; Mathematical Methods; Analytics and Data Science

2022
Article

The Great Resignation Didn't Start with the Pandemic

By: Joseph B. Fuller and William R. Kerr

COVID-19 spurred on the Great Resignation of 2021, during which record numbers of employees voluntarily quit their jobs. But what we are living through is not just short-term turbulence provoked by the pandemic. Instead, it’s the continuation of a trend of rising quit... View Details

Keywords: Quit Rate; Labor Market; Great Resignation; Jobs and Positions; Employees; Resignation and Termination; Health Pandemics

March 2022 (Revised July 2022)
Case

Climate Action in Miami

By: Rosabeth Moss Kanter

The Miami metropolitan area is a global epicenter of climate risk from heat and sea level rise, but leaders have only recently mobilized for action to respond to this systemic challenge. Resilient 305 began a collaboration across officials in the cities of Miami and... View Details

Keywords: Climate Change; Climate Impact; Change; Leadership; Cross-sector Collaboration; Coalition; Ecosystem; Greenhouse Gas Emissions; Green Business; Adaptation; Environmental Sustainability; Infrastructure; Green Technology; Environmental Management; Miami

March 2022
Background Note

Climate Challenges for Cities: Introduction to Issues and Actions in the United States

By: Rosabeth Moss Kanter and Catarina Mia Martinez

This background Note introduces the implications of climate change (global warming) for American cities. In the U.S., partisan political divides and unaddressed economic and racial disparities in climate vulnerabilities can inhibit action. The two main fronts for... View Details

March 2022 (Revised June 2023)
Background Note

Climate Issues on the Ground: Snapshots of Diverse American Cities

By: Rosabeth Moss Kanter, Coelin Scibetta and Ryan Barr

This compilation provides brief snapshots of climate action and its geographic and institutional context in 13 U.S. cities that send diverse participants to the Harvard Business School Young American Leaders Program to learn about cross-sector collaboration to address... View Details

Keywords: Cities; Ecosystems; Cross-sector Collaboration; Green Business; U.S. Competitiveness; Economic Sectors; City; Climate Change; Leadership; Change; Boston; Detroit; Minneapolis; Pittsburgh; San Jose; Seattle

March 2022
Case

GrowSari (A): Design for the Last Mile Customer

By: Brian Trelstad, Cam Carag and Michi Ferreol

Reymund (ER) Rollan and Shivapratim (Shiv) Choudhury, founders of the digital technology platform GrowSari, were at a crossroads. The feedback from their initial product roll-out were not what they had expected, and they needed to decide how to proceed. The pair,... View Details

Keywords: Fast Moving Consumer Goods; Product Launch; Information Technology; Analytics and Data Science; Digital Platforms; Retail Industry; Consumer Products Industry; Technology Industry; Philippines

March 2022
Supplement

GrowSari (B)

By: Brian Trelstad, Cam Carag and Michi Ferreol

Case supplement for HBS Case No. 322-036. Reymund (ER) Rollan and Shivapratim (Shiv) Choudhury, founders of the digital technology platform GrowSari, were at a crossroads. The feedback from their initial product roll-out were not what they had expected, and they needed... View Details

Keywords: Fast Moving Consumer Goods; Product Launch; Information Technology; Analytics and Data Science; Digital Platforms; Retail Industry; Consumer Products Industry; Technology Industry; Philippines

March 2022 (Revised June 2022)
Case

The United States National Security Apparatus, Multipolarity, and the Rise of Commercial Space

By: Matthew C. Weinzierl and Brendan L. Rosseau

In 2019, the U.S. national security community crossed a Rubicon by declaring that space was “a war-fighting domain” and undergoing a major reorganization, including the creation of the U.S. Space Force, the first new military branch in over 70 years. Military and... View Details

Keywords: War; National Security; International Relations; Power and Influence

March 2022
Supplement

Anomalie (C) – An Interview with Leslie Voorhees

By: Jeffrey F. Rayport and Thomas O. Jones

March 21, 2022
Article

Are the Risks of Global Supply Chains Starting to Outweigh the Rewards?

By: Willy C. Shih

The conflict in Ukraine is only the latest jolt to global supply chains. Disruptions caused by the Covid-19 pandemic, climate-related events, and geopolitical tensions were already undermining their rationale. As companies rethink sourcing, they will have to consider... View Details

Keywords: Supply Chain Management; Supply Chain; Distribution; Globalization; Manufacturing Industry; Consumer Products Industry; United States; Asia; Europe

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March 2022 (Revised December 2022)
Teaching Note

Hospital 57357: Aligning Performance Towards a Vision of a Cancer-Free Childhood

By: Susanna Gallani

Teaching Note for HBS Case No.122-041. View Details

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