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Publications

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    • Faculty Publications  (16)

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    • All HBS Web  (105)
      • Faculty Publications  (16)

      Model Diagnostics Remove Model Diagnostics →

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      • November 2021 (Revised December 2021)
      • Case

      Praava Health: A New Model for Bangladesh

      By: Michael Chu
      Launched in Dhaka, Bangladesh, in 2018, Praava Health (‘Praava’) delivered high-quality in-clinic primary and specialist care, backed by its own high quality diagnostic laboratories, imaging and pharmacy. Praava was founder Sylvana Sinha’s response to what she saw as a...  View Details
      Keywords: Entrepreneurship; Health Care and Treatment; Investment Return; Mobile and Wireless Technology; Business Model; Growth and Development Strategy; Health Industry; Bangladesh; Asia
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      Chu, Michael. "Praava Health: A New Model for Bangladesh." Harvard Business School Case 322-067, November 2021. (Revised December 2021.)
      • September 2021
      • Article

      Diagnostic Bubbles

      By: Pedro Bordalo, Nicola Gennaioli, Spencer Yongwook Kwon and Andrei Shleifer
      We introduce diagnostic expectations into a standard setting of price formation in which investors learn about the fundamental value of an asset and trade it. We study the interaction of diagnostic expectations with two well-known mechanisms: learning from prices and...  View Details
      Keywords: Bubble; Speculation; Diagnostic Expectations; Price Bubble; Mathematical Methods
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      Bordalo, Pedro, Nicola Gennaioli, Spencer Yongwook Kwon, and Andrei Shleifer. "Diagnostic Bubbles." Journal of Financial Economics 141, no. 3 (September 2021).
      • June 2021
      • Technical Note

      Introduction to Linear Regression

      By: Michael Parzen and Paul J. Hamilton
      This technical note introduces (from an applied point of view) the theory and application of simple and multiple linear regression. The motivation for the model is introduced, as well as how to interpret the summary output with regard to prediction and statistical...  View Details
      Keywords: Analysis; Forecasting and Prediction; Risk and Uncertainty; Theory
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      Parzen, Michael, and Paul J. Hamilton. "Introduction to Linear Regression." Harvard Business School Technical Note 621-086, June 2021.
      • 2021
      • Working Paper

      Diagnosing Quality: Learning, Amenities, and the Demand for Health Care

      By: Achyuta Adhvaryu, Emilio Gutierrez, Anant Nyshadham and Jorge Tamayo
      We study the role of amenities in increasing demand for underutilized healthcare services. We evaluate the offer of a high-amenity diagnostic consultation for cataracts with a randomized price and find that a lower price for the high-amenity consultation increases...  View Details
      Keywords: Health Care Demand; Amenities; Health Care Quality; Cataracts; Surgery; Health Care and Treatment; Demand and Consumers; Quality; Learning; Mexico
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      Adhvaryu, Achyuta, Emilio Gutierrez, Anant Nyshadham, and Jorge Tamayo. "Diagnosing Quality: Learning, Amenities, and the Demand for Health Care." Harvard Business School Working Paper, No. 21-110, March 2021.
      • 2021
      • Working Paper

      Real Credit Cycles

      By: Pedro Bordalo, Nicola Gennaioli, Andrei Shleifer and Stephen J. Terry
      We incorporate diagnostic expectations, a psychologically founded model of overreaction to news, into a workhorse business cycle model with heterogeneous firms and risky debt. A realistic degree of diagnosticity, estimated from the forecast errors of managers of U.S....  View Details
      Keywords: Econometric Models; Business Cycles; Credit
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      Bordalo, Pedro, Nicola Gennaioli, Andrei Shleifer, and Stephen J. Terry. "Real Credit Cycles." NBER Working Paper Series, No. 28416, January 2021.
      • August 2020 (Revised January 2022)
      • Case

      1928 Diagnostics: Fighting Antibiotics Resistance

      By: Ariel D. Stern and Daniela Beyersdorfer
      In 2019, the co-founders of the Swedish medical start-up 1928 Diagnostics, CEO Dr. Kristina Lagerstedt and COO Dr. Susanne Staaf, had to pick the right business model to commercialize their novel technology to hospitals and health care providers. Developed in...  View Details
      Keywords: Health Care and Treatment; Entrepreneurship; Leadership; Science-Based Business; Growth and Development Strategy; Business Growth and Maturation; Business Model; Information Technology; Digital Platforms; Health Disorders; Market Entry and Exit; Value Creation; Business and Stakeholder Relations; Health Industry; Medical Devices and Supplies Industry; Technology Industry; Europe; Sweden
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      Stern, Ariel D., and Daniela Beyersdorfer. "1928 Diagnostics: Fighting Antibiotics Resistance." Harvard Business School Case 621-025, August 2020. (Revised January 2022.)
      • 26 Apr 2020
      • Other Presentation

      Towards Modeling the Variability of Human Attention

      By: Kuno Kim, Megumi Sano, Julian De Freitas, Daniel Yamins and Nick Haber
      Children exhibit extraordinary exploratory behaviors hypothesized to contribute to the building of models of their world. Harnessing this capacity in artificial systems promises not only more flexible technology but also cognitive models of the developmental processes...  View Details
      Keywords: Exploratory Learning Behaviors; Modeling; Artificial Intelligence; AI and Machine Learning
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      Kim, Kuno, Megumi Sano, Julian De Freitas, Daniel Yamins, and Nick Haber. "Towards Modeling the Variability of Human Attention." In Bridging AI and Cognitive Science (BAICS) Workshop. 8th International Conference on Learning Representations (ICLR), April 26, 2020.
      • March 2020
      • Article

      Diagnosing Missing Always at Random in Multivariate Data

      By: Iavor I. Bojinov, Natesh S. Pillai and Donald B. Rubin
      Models for analyzing multivariate data sets with missing values require strong, often assessable, assumptions. The most common of these is that the mechanism that created the missing data is ignorable—a twofold assumption dependent on the mode of inference. The first...  View Details
      Keywords: Missing Data; Diagnostic Tools; Sensitivity Analysis; Hypothesis Testing; Missing At Random; Row Exchangeability; Analytics and Data Science; Mathematical Methods
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      Bojinov, Iavor I., Natesh S. Pillai, and Donald B. Rubin. "Diagnosing Missing Always at Random in Multivariate Data." Biometrika 107, no. 1 (March 2020): 246–253.
      • 2018
      • Working Paper

      Diagnostic Bubbles

      By: Pedro Bordalo, Nicola Gennaioli, Spencer Yongwook Kwon and Andrei Shleifer
      We introduce diagnostic expectations into a standard setting of price formation in which investors learn about the fundamental value of an asset and trade it. We study the interaction of diagnostic expectations with two well-known mechanisms: learning from prices and...  View Details
      Keywords: Bubbles; Price Bubble; Mathematical Methods
      Citation
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      Bordalo, Pedro, Nicola Gennaioli, Spencer Yongwook Kwon, and Andrei Shleifer. "Diagnostic Bubbles." NBER Working Paper Series, No. 25399, December 2018.
      • February 2016 (Revised September 2017)
      • Case

      Neurotrack and the Alzheimer's Puzzle

      By: Richard G. Hamermesh, Liz Kind and Carin-Isabel Knoop
      Elli Kaplan founded Neurotrack in 2012 with a breakthrough noninvasive cognitive diagnostics test that will detect Alzheimer's disease in its earliest pre-symptomatic stages. While the company has gained great traction in the three years since it was started, with no...  View Details
      Keywords: Alzheimer's Disease; Diagnostics; Healthcare; Entrepreneurship; Health Disorders; Science-Based Business; Business Model; Medical Devices and Supplies Industry; United States
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      Hamermesh, Richard G., Liz Kind, and Carin-Isabel Knoop. "Neurotrack and the Alzheimer's Puzzle." Harvard Business School Case 816-072, February 2016. (Revised September 2017.)
      • 2013
      • Working Paper

      Helping You Help Me: The Role of Diagnostic (In)congruence in the Helping Process within Organizations

      By: Colin M. Fisher, Julianna Pillemer and Teresa M. Amabile
      Through an inductive, multi-method field study at a major design firm, we investigated the helping process in project work and how that process affects the success of a helping episode, as perceived by help-givers and/or -receivers. We used daily diary entries and...  View Details
      Keywords: Groups and Teams; Knowledge Management; Performance; Cooperation
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      Fisher, Colin M., Julianna Pillemer, and Teresa M. Amabile. "Helping You Help Me: The Role of Diagnostic (In)congruence in the Helping Process within Organizations." Harvard Business School Working Paper, No. 14-003, July 2013.
      • 2013
      • Case

      Revenue Model Innovation at Roche Diagnostics

      By: Marco Bertini and Nader Tavassoli
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      Bertini, Marco, and Nader Tavassoli. "Revenue Model Innovation at Roche Diagnostics." London Business School Case, 2013.
      • July–August 2011
      • Article

      Putting Business Models Under the Microscope

      By: K. Merchant, Tatiana Sandino and D. Huelsbeck
      The article provides advice for financial managers on evaluating business models for corporate performance measurement. Emphasis is given to a study sponsored by the Chartered Institute of Management Accountants (CIMA) that examined the business model of a medical...  View Details
      Keywords: Business Model; Financial Management; Performance Evaluation
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      Merchant, K., Tatiana Sandino, and D. Huelsbeck. "Putting Business Models Under the Microscope." Financial Management (CIMA) (July–August 2011), 54–55.
      • January 2002 (Revised October 2005)
      • Case

      General Electric Medical Systems 2002

      By: Tarun Khanna and James Weber
      Discusses one of General Electric's flagship divisions--the world's leading provider of medical diagnostic imaging equipment. Provides an opportunity to examine a multinational confronting massive technological and demographic changes around the world. Genomics has...  View Details
      Keywords: Information Technology; Business Model; Change Management; Multinational Firms and Management; Genetics; Customer Value and Value Chain; Age; Medical Devices and Supplies Industry; China; United States
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      Khanna, Tarun, and James Weber. "General Electric Medical Systems 2002." Harvard Business School Case 702-428, January 2002. (Revised October 2005.)
      • 1977
      • Chapter

      A Diagnostic Model for Organizational Behavior

      By: D. Nadler and M. Tushman
      Keywords: Mathematical Methods; Organizational Design; Organizational Structure; Behavior
      Citation
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      Nadler, D., and M. Tushman. "A Diagnostic Model for Organizational Behavior." In Perspectives on Behavior in Organizations, edited by Richard J. Hackman, Edward E. Lawler, Lyman W. Porter, and Patricia S. Nave. New York: McGraw-Hill, 1977.
      • Forthcoming
      • Article

      Nonparametric Subset Scanning for Detection of Heteroscedasticity

      By: Charles R. Doss and Edward McFowland III
      We propose Heteroscedastic Subset Scan (HSS), a novel method for identifying covariates that are responsible for violations of the homoscedasticity assumption in regression settings. Viewing the problem as one of anomalous pattern detection, we use subset scanning...  View Details
      Keywords: Scan Statistics; Anomaly Detection; Regression; Model Diagnostics
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      Doss, Charles R., and Edward McFowland III. "Nonparametric Subset Scanning for Detection of Heteroscedasticity." Journal of Computational and Graphical Statistics (forthcoming).
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