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Show Results For
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All HBS Web
(736)
- News (73)
- Research (558)
- Events (10)
- Multimedia (3)
- Faculty Publications (308)
- 20 Dec 2016
- First Look
December 20, 2016
group behavior or evolutionary processes and can uniquely reveal non-linear dynamics and emergence—the process whereby local interactions aggregate into often surprising collective phenomena, such as spatial segregation and relational...
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Carmen Nobel
- 05 Aug 2008
- First Look
First Look: August 5, 2008
Rebalancing by Individual Investors Authors:Laurent E. Calvet, John Y. Campbell, and Paolo Sodini Abstract This paper investigates the dynamics of individual portfolios in a unique dataset containing the disaggregated wealth of all households in Sweden. Between 1999...
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Martha Lagace
- Web
Art Nature Business
cartographic archives, Kurant aggregates individual territories falsely claimed by imperial rulers and kingdoms onto a single map. Playing with ideas of illusion and truth, these maps look at how fictions and rumors shape our...
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- 15 Nov 2016
- First Look
November 15, 2016
modified to incorporate quasi-hyperbolic preferences. For reasons of political economy or aggregation of citizens’ preferences, government preferences are present biased, resulting in an over-accumulation of debt. Calibrating this...
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Sean Silverthorne
- 05 May 2022
- News
Lesson Plans
the learning time on Khan Academy directly. There’s no way to directly measure the total aggregate learning time in the actual school system. But if I could, I would bet that has gone down dramatically. Kids also are incredibly tired....
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- 15 Dec 2015
- News
The Year in Ideas 2015
to something big. After a second field study, Solomon and Hillerstrom launched NeuroPhage. In tests on mice, the drug they developed improved both memory and cognitive abilities. “We believe it can identify harmful aggregates in the...
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- 27 Aug 2013
- First Look
First Look: August 27
future stock market returns by extrapolating past returns: they expect the stock market to perform well (poorly) in the near future if it performed well (poorly) in the recent past. Such beliefs are hard to reconcile with existing models of the View Details
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Sean Silverthorne
- 19 Jun 2007
- First Look
First Look: June 19, 2007
feature more volatile returns, and the volatility of a parent company's aggregate foreign returns also increases with the extent of the firm's political risk exposure. Parent companies mitigate the cost of return volatility by adjusting...
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Martha Lagace
- 28 Jan 2014
- First Look
First Look: January 28
aggregate the "information" and "communication" components together. We show theoretically and empirically that this is problematic. Information and communication technologies have very different effects on the...
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Sean Silverthorne
- 21 Dec 2010
- First Look
First Look: December 21
When producing a unit of output, the content of the knowledge gained can vary dramatically from one unit to the next. This suggests that while aggregate experience in learning-by-doing is generally valuable, not all prior experience has...
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- 07 Nov 2017
- First Look
New Research and Ideas: November 7, 2017
only after multiyear lags, and the public-facing versions are aggregated to the county or ZIP code level. In contrast, crowdsourced data from online platforms such as Yelp are often contemporaneous and geographically finer than official...
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Carmen Nobel
- 05 Feb 2013
- First Look
First Look: Feb. 5
coefficients aggregate discrete choice model-which accommodates heterogeneity in preferences for school quality and athletic success-and an extensive set of school fixed effects to control for unobserved quality in athletics and...
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Sean Silverthorne
- 28 Sep 2010
- First Look
First Look: September 28, 2010
economic growth and the intensive and extensive margins of technology adoption. The "extensive" margin refers to the timing of a country's adoption of a new technology; the "intensive" margin refers to how many units are adopted (for a given size...
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Sean Silverthorne
- 14 Feb 2012
- First Look
First Look: February 14
interactions. By aggregating previously identified problems in several existing industries, the founders articulated an innovative idea for a new venture in a nascent industry. The seeds of the new venture existed in the company's...
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Carmen Nobel
- 10 Apr 2012
- First Look
First Look: April 10
case:http://cb.hbsp.harvard.edu/cb/product/612045-PDF-ENG Recorded Future: Searching the Web for Alpha Christopher MalloyHarvard Business School Case 212-057 Recorded Future was a software company that aimed to aggregate the information...
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Carmen Nobel
- 19 Feb 2019
- First Look
New Research and Ideas, February 19, 2019
Individuals' voting preferences are modeled using a random-coefficient aggregate discrete-choice model, in which we incorporate both observed and unobserved individual heterogeneity. We find that different campaign activities have...
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Sean Silverthorne
- 30 Jan 2018
- First Look
January 30, 2018
insights and discuss intuition regarding which product categories likely lead to positive vs. negative values of concealment. Download working paper: https://pubwww.hbs.edu/faculty/Pages/item.aspx?num=49531 The Long-Run Dynamics of Electricity Demand: Evidence from...
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Sean Silverthorne
- 29 Apr 2014
- First Look
First Look: April 29
extrapolating past returns. Such beliefs are hard to reconcile with existing models of the aggregate stock market. We study a consumption-based asset pricing model in which some investors form beliefs about future price changes in the...
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Sean Silverthorne
- 16 Sep 2008
- First Look
First Look: September 16, 2008
presentation of special items within the financial statements reflects the firm's underlying economic performance or opportunism. We examine the presentation of recognized special items either as a separate line item on the income statement or View Details
- 26 Jan 2016
- First Look
January 26, 2016
highly consistent with that of the pre-fee aggregate private equity index. The passive replicating strategy represents an economically large improvement in risk- and liquidity-adjusted returns over direct allocations to private equity...
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Sean Silverthorne