Publications

December 2010
Article

An Exploration of Technology Diffusion

By: Diego Comin and Bart Hobijn

We develop a model that, at the aggregate level, is similar to the one sector neoclassical growth model, while, at the disaggregate level, has implications for the path of observable measures of technology adoption. We estimate our model using data on the diffusion of... View Details

Keywords: Business Model; Income; Technology Adoption; Macroeconomics; Innovation and Invention

31 Mar 2018
Working Paper Summaries

Expected Stock Returns Worldwide: A Log-Linear Present-Value Approach

Keywords: by Akash Chattopadhyay, Matthew R. Lyle, and Charles C.Y. Wang; Financial Services; Accounting

Research Summary

Structural Breaks in Dynamic Factor Models: Representation and Testing (with James Stock and Mark Watson)

We demonstrate the equivalence of various of structural break representations for approximate dynamic factor models and show that even in the presence of such breaks, the estimated factors consistently span the fundamental factor subspaces. We propose tests to... View Details

Research Summary

The Economics of Search

Utilizing data on web searches, we characterize the economics of search and estimate the path of diffusion for information, allowing us to specify how choice sets are actually formed among consumers and examine the impact of cybergeography vs. spatial geography. Joint... View Details

02 May 2016
HBS Seminar

Chiara Farronato, Harvard Business School

February 2010
Background Note

Marketing Analysis Toolkit: Market Size and Market Share Analysis

By: Thomas J. Steenburgh and Jill Avery

Marketers frequently need to estimate the size of their markets—both for existing products so that sales forecasts can be developed and for new products so that market opportunities can be assessed. This toolkit enables students to size a market and generate a sales... View Details

Keywords: Forecasting and Prediction; Management Analysis, Tools, and Techniques; Marketing Strategy; Markets; Demand and Consumers; Size; Strategic Planning; Sales

Educators

07 Nov 2016
HBS Seminar

Vishal Gaur, Johnson, Cornell University

18 Oct 2013
News

Google Climbs to Record High as Mobile Ads Dominate

Article

Waves in Ship Prices and Investment

By: Robin Greenwood and Samuel G. Hanson

We study the link between investment boom and bust cycles and returns on capital in the dry bulk shipping industry. We show that high current ship earnings are associated with high used ship prices and heightened industry investment in new ships, but forecast low... View Details

Keywords: Business Earnings; Price; Investment; Shipping Industry

22 Oct 2020
News

Economic Research Exposes Significant Flaws In DOL H-1B Visa Rule

November 2013 (Revised November 2014)
Case

Freemium Pricing at Dropbox

By: Thales Teixeira and Elizabeth Anne Watkins

Online storage company Dropbox provided remote-storage over the internet of any type of computer file, along with file sharing, synchronization and backup. Using a freemium pricing strategy whereby a basic service was free-of-charge and a premium service was paid,... View Details

Keywords: Marketing Strategy; Price; Internet; Information Technology Industry

Educators

2005
Working Paper

Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements

By: Malcolm Baker, Lubomir Litov, Jessica Wachter and Jeffrey Wurgler

We consider measures of stock-picking skill of mutual fund managers based on the earnings announcement returns of the stocks that they hold and trade. Relative to standard approaches, this approach focuses on an especially informative subset of the returns data,... View Details

Keywords: Stocks; Asset Management; Business Earnings; Forecasting and Prediction; Competency and Skills

Article

Advertising, the Matchmaker

By: Bharat N. Anand and Ron Shachar

We empirically study the informational role of advertising in matching consumers with products when consumers are uncertain about both observable and unobserved program attributes. Our focus is on the network television industry, in which the products are television... View Details

Keywords: Advertising; Information; Consumer Behavior; Television Entertainment; Risk and Uncertainty; Product; Decision Choices and Conditions; Advertising Industry

December 2005 (Revised August 2006)
Case

Amgen Inc.'s Epogen--Commercializing the First Biotech Blockbuster Drug

By: Felix Oberholzer-Gee and Dennis A. Yao

Amgen Inc.'s Epogen was the first biotech blockbuster drug. Epogen helped prevent anemia, a condition that leads to severe fatigue, increased risk of cardiovascular disease, and even death. At the time, the market for Epogen, which included dialysis patients and... View Details

Keywords: Health Care and Treatment; Strategic Planning; Competition; Patents; Innovation and Invention; Pharmaceutical Industry; Biotechnology Industry; United States

Educators

31 May 2020
Working Paper Summaries

Demystifying the Math of the Coronavirus

Keywords: by Elon Kohlberg and Abraham Neyman; Health

18 Mar 2015
News

Did Fear-Mongering Make Ebola's Impact Worse?

September 2013
Teaching Note

Trader Joe's

By: David L. Ager and Michael A. Roberto

Based on a variety of metrics, Trader Joe's ranked as one of the most successful grocers in the United States in 2013. Experts estimated that the company had the highest sales per square foot of any major grocery chain, even significantly higher than top performer... View Details

Keywords: Comparative Advantage; Core Competencies; Growth Strategy; Strategic Positioning; Industry Analysis; Competitive Strategy; Competitive Advantage; Organizational Culture; Growth and Development Strategy; Retail Industry; Food and Beverage Industry; United States

November–December 2023
Article

Keep Your AI Projects on Track

By: Iavor Bojinov

AI—and especially its newest star, generative AI—is today a central theme in corporate boardrooms, leadership discussions, and casual exchanges among employees eager to supercharge their productivity. Sadly, beneath the aspirational headlines and tantalizing potential... View Details

Keywords: Generative Models; AI and Machine Learning; Success; Failure; Product Development; Technology Adoption