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  • 01 Oct 2013
  • First Look

First Look: October 1

legislators in India influences development outcomes, both for citizens of their religious group and for the population as a whole. Using an instrumental variables approach derived from a regression... View Details
Keywords: Sean Silverthorne
  • 10 Dec 2013
  • First Look

First Look: December 10

this connection works primarily through lower employment growth of start-ups in cities that are closer to mines. These effects hold in cold and warm regions alike and in industries that are not directly related to mining, such as trade, finance, and services. We use... View Details
Keywords: Sean Silverthorne
  • 21 Sep 2010
  • First Look

First Look: September 21, 2010

production workers) are associated with more autonomy and a wider span of control. By contrast, communication technologies (like data networks) decrease autonomy for both workers and plant managers. Treating technology as endogenous using View Details
Keywords: Sean Silverthorne
  • 21 Aug 2012
  • First Look

First Look: August 21

are not directly related to mining, such as trade, finance and services. We use quantile instrumental variable regression techniques and identify mostly homogeneous effects throughout the conditional city... View Details
Keywords: Sean Silverthorne
  • 28 Oct 2008
  • First Look

First Look: October 28, 2008

information on workers), and COMPUSTAT (detailed firm information, plus average wage and employment levels). Through controls and instrumental variable probes, we rule out straightforward compositional... View Details
Keywords: Martha Lagace
  • 08 May 2018
  • First Look

First Look at New Research and Ideas, May 8, 2018

manner that increases reimbursement or avoids financial penalties. Identifying upcoding in claims data is challenging due to unobservable confounders (e.g., patient risk). We leverage state-level variations in adverse event reporting regulations and View Details
Keywords: Sean Silverthorne
  • 20 Jun 2017
  • First Look

First Look at New Research and Ideas, June 20

instrumental variables approach exploiting an historical shift in innovation activity during World War II to show that this relationship could be causal. Finally, we document a U-shaped relationship between... View Details
Keywords: Sean Silverthorne
  • 03 Mar 2009
  • First Look

First Look: March 3, 2009

decisions are endogenous, and 3) influencing stores' choices of strategic variables (e.g., pricing) once they have decided to affiliate. We show that search diversion remains a necessary strategic instrument... View Details
Keywords: Martha Lagace
  • 08 Jan 2008
  • First Look

First Look: January 8, 2008

Abstract We use oil price fluctuations to construct a new instrument to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous... View Details
Keywords: Martha Lagace
  • 07 Aug 2007
  • First Look

First Look: August 7, 2007

that both effects are operative. Instrumental variables analysis indicates that plausibly exogenous changes in payout policy result in shifting institutional ownership patterns. Similarly, exogenous changes... View Details
Keywords: Martha Lagace
  • 30 Sep 2008
  • First Look

First Look: September 30, 2008

are identified by exploiting random assignment and a separate instrumental variables procedure. Download the paper: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1264038 Welfare Payments and Crime... View Details
Keywords: Martha Lagace
  • 12 Jan 2010
  • First Look

First Look: Jan. 12

We end by running instrumental variable estimates using indices of export prices for each state to instrument for revenues per capita. Our View Details
Keywords: Martha Lagace
  • Web

Innovation & the War Effort - Edwin H. Land & Polaroid | Harvard Business School

Rubber Company, and Lever Brothers. Here Polaroid began producing polarizing filters for gunsights, binoculars, periscopes, rangefinders, and infra-red night viewing devices. With variable density goggles, anti-aircraft and machine... View Details
  • 23 Feb 2015
  • Research & Ideas

How to Break the Expert’s Curse

hand and forming chords with the right. This was the "rediscovery" group. The idea came from Zhang's personal experience. "I used to play the violin," she explains. "During orchestra practice, sometimes we would turn around our View Details
Keywords: by Carmen Nobel; Education
  • 20 May 2008
  • First Look

First Look: May 20, 2008

variable labor supply, social security benefits and portfolio choice over safe bonds and risky equities. Our analysis reinforces prior findings that equities are the preferred asset for young households, with the optimal share of equities... View Details
Keywords: Martha Lagace
  • 29 Jul 2008
  • First Look

First Look: July 29, 2008

variability in the importance of their posts. There are alternative routes to career success: officers of higher initial ability are more likely to invest in developing expertise, but officers who belong to the same caste as the... View Details
Keywords: Martha Lagace
  • 23 Feb 2011
  • First Look

First Look: Feb. 23

development outcomes for recent decades. Political instability's significance is time consistent in cross-sectional regressions back to the 1960s, the period when the key data becomes available; robust in both country fixed-effects and View Details
Keywords: Sean Silverthorne
  • 28 Jun 2011
  • First Look

First Look: June 28

using an instrumental variables and a simultaneous equations approach. Finally, we find that the relation is primarily driven by social and environmental performance, rather than corporate governance.... View Details
Keywords: Sean Silverthorne
  • 17 May 2004
  • Research & Ideas

Why We Don’t Study Corporate Responsibility

First, it may be more helpful to think about the purposes of the corporation, or at least to ask the question that way—in the plural—even if ultimately one purpose must be deemed preeminent. Second, corporations are instruments designed... View Details
Keywords: by Manda Salls
  • 01 Dec 1997
  • News

"Economists are puzzle solvers..."

priced. So they see that even with an instrument that never existed before they came into the classroom that day, the theory allows us to price it and measure its risk. Bulletin: When did you first become interested in the field of... View Details