Publications

February 2006 (Revised March 2008)
Case

ChoicePoint (A)

By: Lynn S. Paine and Zack Phillips

The CEO of ChoicePoint, a leading company in the rapidly growing U.S. personal data industry, must reexamine the company's business model after a serious breach of data security affecting some 145,000 U.S. citizens. He must decide on steps to strengthen data protection... View Details

Keywords: Business Model; Safety; Rights; Analytics and Data Science; Ethics; Information Technology; Information Industry; United States

Educators

Purchase

July 2005
Article

The Consequences of Labor Market Flexibility: Panel Evidence Based on Survey Data

By: Rafael Di Tella and Robert MacCulloch

We introduce a new data set on hiring and firing restrictions for 21 OECD countries for the period 1984 –1990. The data are based on surveys of business people in the countries covered, so the indices we use are subjective in nature. Controlling for country and time... View Details

Keywords: Job Security Provisions; Subjective Data; Unemployment; Employment; Labor; Markets; Data and Data Sets

March 2005
Article

Short- and Long-term Demand Curves for Stocks: Theory and Evidence on the Dynamics of Arbitrage

By: Robin Greenwood

I develop a framework to analyze demand curves for multiple risky securities at extended horizons in a setting with limits-to-arbitrage. Following an unexpected change in uninformed investor demand for several assets, I predict returns of each security to be... View Details

Keywords: Limits To Arbitrage; Event Studies; Demand Curves; Portfolio Choice; Framework; Demand and Consumers; Change; Risk and Uncertainty; Debt Securities; Forecasting and Prediction; Stocks; Assets; Investment Portfolio; System Shocks; Price; Japan

March 2004
Article

Do Police Reduce Crime? Estimates Using the Allocation of Police Forces after a Terrorist Attack

By: Rafael Di Tella and Ernesto Schargrodsky

An important challenge in the crime literature is to isolate causal effects of police on crime. Following a terrorist attack on the main Jewish center in Buenos Aires, Argentina, in July 1994, all Jewish institutions received police protection. Thus, this hideous event... View Details

Keywords: Law Enforcement; Crime and Corruption; Resource Allocation; National Security