Publications

Educators

Purchase

August 2009
Article

Inexperienced Investors and Bubbles

By: Robin Greenwood and Stefan Nagel

We use mutual fund manager data from the technology bubble to examine the hypothesis that inexperienced investors play a role in the formation of asset price bubbles. Using age as a proxy for managers' investment experience, we find that around the peak of the... View Details

Keywords: Asset Price Bubbles; Investment Experience; Investor Age; Trend Chasing; Investment; Experience and Expertise; Age; Behavioral Finance; Price Bubble; Information Technology; Stocks

December 1999 (Revised August 2001)
Case

Millennium Pharmaceuticals, Inc. (A)

By: Stefan H. Thomke and Ashok Nimgade

Focuses on Millennium's strategy to grow and revolutionize drug development through the use of new technologies such as genomics. Describes how Millennium Pharmaceuticals--a fast-growing biotechnology firm in Cambridge, MA--has used strategic alliances to finance the... View Details

Keywords: Cost Management; Financing and Loans; Medical Specialties; Retention; Growth and Development Strategy; Time Management; Product Development; Problems and Challenges; Alliances; Technology; Biotechnology Industry; Pharmaceutical Industry; Cambridge

Educators

Purchase

September–October 2017
Article

The Surprising Power of Online Experiments: Getting the Most Out of A/B and Other Controlled Tests

By: Ron Kohavi and Stefan Thomke

In the fast-moving digital world, even experts have a hard time assessing new ideas. Case in point: At Bing, a small headline change an employee proposed was deemed a low priority and shelved for months until one engineer decided to do a quick online controlled... View Details

Keywords: Experiments; A/B Testing; Research; Consumer Behavior

Register to Read

September–October 2017
Article

Blurring the Boundaries: The Interplay of Gender and Local Communities in the Commercialization of Social Ventures

By: Stefan Dimitriadis, Matthew Lee, Lakshmi Ramarajan and Julie Battilana

This paper examines the critical role of gender in the commercialization of social ventures. We argue that cultural beliefs about what is perceived to be appropriate work for each gender influence how founders of social ventures incorporate commercial activity into... View Details

Keywords: Community; Cultural Beliefs; Social Enterprise; Gender; Local Range; Commercialization; Culture

2008
Working Paper

Inexperienced Investors and Bubbles

By: Robin Greenwood and Stefan Nagel

We use mutual fund manager data from the technology bubble to examine the hypothesis that inexperienced investors play a role in the formation of asset price bubbles. Using age as a proxy for managers' investment experience, we find that around the peak of the... View Details

Keywords: Investment; Stocks; Information Technology; Price Bubble; Asset Management; Experience and Expertise

SSRN

2019
Report

Peer Review of the Danish Research & Innovation System: Ten Steps, and a Leap Forward: Taking Danish Innovation to the Next Level

By: Christian H.M. Ketels, Magareta Drzeniek Hanouz, Jackie Hunter, Stefan Kuhlmann, Tony Raven, Pieter Heringa, Uri Gabai, Göran Marklund and Christopher Palmberg

This report provides recommendations to the Danish government on improving the country's research and innovation system. It was prepared by a group of international peers under the umbrella of the European Commission's Horizon 2020 Policy Support Facility View Details

Keywords: Innovation; Entrepreneurial Ecosystems; Research And Development; Public Policy; Innovation and Invention; Research; Denmark

20 Jul 2010
First Look

First Look: July 20

note:http://cb.hbsp.harvard.edu/cb/product/610050-PDF-ENG Dassault Systèmes Stefan Thomke and Daniela BeyersdorferHarvard Business School Case 610-080 Dassault Systèmes, a leader in product lifecycle... View Details

Keywords: Martha Lagace

19 Jan 2016
First Look

January 19, 2016

emphasize users over producers. Large parts of the knowledge economy now routinely rely on users, communities, and open innovation approaches to solve important technological and organizational problems. This view of innovation, pioneered View Details

Keywords: Sean Silverthorne

2023
Working Paper

Cost-Efficient Decarbonization of Portland Cement Production

By: Gunther Glenk, Anton Kelnhofer, Rebecca Meier and Stefan Reichelstein

Accounting for nearly 8% of global annual carbon dioxide (CO2) emissions, the cement industry is considered difficult to decarbonize. While a sizeable number of abatement levers for Portland cement production is becoming technologically ready for deployment, many are... View Details

SSRN

March 2022
Article

Carbon Footprinting and Pricing under Climate Concerns

By: Marco Bertini, Stefan Buehler, Daniel Halbheer and Don Lehmann

This article studies how organizations should design a product by choosing the carbon footprint and price in a market with climate concerns. The authors first show how the cost and demand effects of reducing the product carbon footprint determine the profit-maximizing... View Details

Keywords: Carbon Footprint; Carbon Offsetting; Climate Impact; Net-zero Emissions; Pricing; Climate Change; Product Design; Price; Environmental Sustainability; Marketing

2016
Working Paper

The Attenuating Effect of Banking Relationships on Credit Market Disruption

By: Stefan Dimitriadis and Mike Horia Teodorescu

This article examines how the relationship between banks and corporations moderates the effect of credit market disruptions. The 2008-09 financial crisis led to a dramatic restriction in the supply of credit to corporations via the syndicated loan market... View Details

Keywords: Banks and Banking; Relationships; Financial Markets; System Shocks; Banking Industry; United States

December 2014
Article

The Discipline of Business Experimentation

By: Stefan Thomke and Jim Manzi

The data you already have can't tell you how customers will react to innovations. To discover if a truly novel concept will succeed, you must subject it to a rigorous experiment. In most companies, tests do not adhere to scientific and statistical principles. As a... View Details

Register to Read

2023
Working Paper

Networking Frictions: Evidence from Entrepreneurial Networking Events in Lomé

By: Stefan Dimitiadis and Rembrand Koning

Spatial proximity between firms plays a crucial role in entrepreneurship by creating knowledge spillovers, enabling resource sharing, and sparking productivity gains. Building on these insights, research has explored whether institutions and organizations can engineer... View Details

Keywords: Local Range; Knowledge Sharing; Performance Productivity; Togo

SSRN

16 Jul 2013
First Look

First Look: July 16

trust through warmth and understanding. Most leaders today approach their jobs by emphasizing competence, strength, and credentials. But without first building a foundation of trust, they run the risk of eliciting fear, resentment, or... View Details

Keywords: Anna Secino

05 Jun 2018
First Look

New Research and Ideas, June 5, 2018

Vincent, and Clémence Tricaud Abstract—In French parliamentary and local elections, candidates ranked first and second in the first round automatically qualify for the second round, while a third candidate qualifies only when selected by... View Details

Keywords: Dina Gerdeman

25 May 2010
First Look

First Look: May 25

management in an emerging market from the perspectives of the many stakeholders involved. Purchase this case:http://cb.hbsp.harvard.edu/cb/product/810095-PDF-ENG Zotter—Living by Chocolate Mukti Khaire, View Details

Keywords: Martha Lagace

Fall 2013
Article

Sustainable Operations Management: An Enduring Stream or a Passing Fancy?

By: David Drake and Stefan Spinler

Paul Kleindorfer was among the first to weigh in on and nurture the stream of Sustainable Operations Management. The thoughts laid out here are based on conversations we had with Paul relating to the drivers underlying sustainability as a management issue: population... View Details

Keywords: Sustainable Operations; Sustainability; Environment; Paul Kleindorfer; Management; Environmental Sustainability