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  • 10 Nov 2009
  • First Look

First Look: Nov. 10

for all titles released by a sample of over 200 artists. I analyze sales dynamics from January 2005 to April 2007—a period in which the share of unbundled units jumped from roughly one-third to two-thirds of total unit sales. My modeling... View Details
Keywords: Martha Lagace
  • 19 Jan 2011
  • First Look

First Look: Jan. 18

In this article, Pozen presents a new model for the corporate board. Read the article: http://hbr.org/2010/12/the-big-idea-the-case-for-professional-boards/ar/1# M@n@gement in Times of Economic Crisis: Insights into Organizational... View Details
Keywords: Sean Silverthorne
  • 27 Aug 2013
  • First Look

First Look: August 27

jointly develops an offshore tract-performs relative to a solo firm. I employ a regression discontinuity strategy based on bids in first-price sealed-bid auctions for the rights to develop leases. By focusing on leases where one... View Details
Keywords: Sean Silverthorne
  • 24 Oct 2006
  • First Look

First Look: October 24, 2006

national male circumcision rates for African countries are both a strong predictor of HIV/AIDS prevalence and uncorrelated with other determinants of economic outcomes. Two-stage least squares regressions do not support the hypotheses... View Details
Keywords: Sean Silverthorne
  • 12 Jul 2016
  • First Look

July 12, 2016

the dominant model in the United States and many other countries, is now widely recognized as perhaps the biggest obstacle to improving health care delivery. A battle is currently raging, outside of the public eye, between the advocates... View Details
Keywords: Sean Silverthorne
  • 27 May 2014
  • First Look

First Look: May 27

forecasts of holding period returns strongly predict the cross section of future returns up to three years ahead. We document a highly significant predictive pooled regression slope for future quarterly returns of 0.86, whereas the... View Details
Keywords: Sean Silverthorne
  • 29 Jul 2008
  • First Look

First Look: July 29, 2008

social categories (gender, tenure within the firm). In dyad-level models of the probability that pairs of individuals communicate, we find very large effects of formal organization structure and spatial collocation on the rate of... View Details
Keywords: Martha Lagace
  • 19 Oct 2010
  • First Look

First Look: October 19, 2010

One explanation for these patterns is that U.S. firms are organized in a way that allows them to use new technologies more efficiently. A model of endogenously chosen organizational form and IT is developed to explain these new micro and... View Details
Keywords: Sean Silverthorne
  • 08 Aug 2017
  • First Look

First Look at Research and Ideas, August 8, 2017

hospitals and established reliability using interrater comparison. Using a factor analysis, we identified three themes of management competencies: management of unit culture, patient flow, and nursing. We constructed patient-level View Details
Keywords: Sean Silverthorne
  • 09 Mar 2010
  • First Look

First Look: March 9

of Central America does more than just advance our understanding of the national and global consequences of the Panama Canal and the imperialist motives and influences of the United States. In an age where everyone is looking for new View Details
Keywords: Martha Lagace
  • 08 Jan 2008
  • First Look

First Look: January 8, 2008

but is difficult when demand history is unavailable such as for new products. One method that can be applied in such cases uses dispersion among forecasting experts as a measure of demand uncertainty. This paper provides a test for this method, and presents a... View Details
Keywords: Martha Lagace
  • 03 Feb 2015
  • First Look

First Look: February 3

States. Design: We examined the correlation between the coincident index (a proxy for overall economic conditions) and IVF use at the national level from 2000 to 2011. We then analyzed the relationship at the state level through longitudinal View Details
Keywords: Sean Silverthorne
  • 07 Apr 2015
  • First Look

First Look: April 7

invest in external R&D to acquire new product lines and in internal R&D to improve their existing product lines. A baseline model derives the theoretical implications of weaker scaling for external R&D versus internal R&D,... View Details
Keywords: Sean Silverthorne
  • 16 Dec 2014
  • First Look

First Look: December 16

certain general properties of the transition path from dirty to clean technology. We then estimate the model using a combination of regression analysis on the relationship between R&D and patents, and... View Details
Keywords: Sean Silverthorne
  • 02 Oct 2018
  • First Look

New Research and Ideas, October 2, 2018

Our logistic regression models indicate that (1) realized post-purchase price drops lead to a higher probability of return, and (2) anticipated price drops after purchase lead to a higher probability of... View Details
Keywords: Dina Gerdeman
  • 03 Nov 2015
  • First Look

November 3, 2015

November 2015 Quarterly Journal of Economics Behavioral Hazard in Health Insurance By: Baicker, Katherine, Sendhil Mullainathan, and Joshua Schwartzstein Abstract—A fundamental implication of standard moral hazard models is overuse of... View Details
Keywords: Sean Silverthorne
  • 18 Mar 2014
  • First Look

First Look: March 18

processes for sorting and recycling waste materials that are still employed today. Yet it proved difficult to combine making profits and achieving social value in accordance with the "shared value" model of today. As providers... View Details
Keywords: Sean Silverthorne
  • 14 May 2013
  • First Look

First Look: May 14

P/E industries, which have a negative valuation change in the year after the investment. 2006 New England Journal of Medicine Leading Clinicians and Clinicians Leading By: Bohmer, Richard M.J. Abstract—More effective models of care... View Details
Keywords: Sean Silverthorne
  • 28 Aug 2007
  • First Look

First Look: August 28, 2007

analyze the data using nonparametric tests and regression analysis. Findings—The mean number of business segments per firm varies significantly by country. Notably, there is no evidence in our sample that emerging-market companies are... View Details
Keywords: Martha Lagace
  • 14 Feb 2012
  • First Look

First Look: February 14

(TMTs) by creating psychological conditions of trust and facilitating learning from failures in their teams. Structural equation modeling (SEM) analyses of survey data collected from 77 TMTs indicate that the relationship between CEO... View Details
Keywords: Carmen Nobel

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