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12 Jan 2016
First Look

January 12, 2016

approximation of a fully sequential test for the maximum hazard ratio of the drug over multiple adverse events. A numerical study verifies that our method delivers Type I /II errors that are below pre-specified levels and is robust to... View Details

Keywords: Carmen Nobel

10 Jul 2000
Research & Ideas

Cable TV: From Community Antennas to Wired Cities

operating cable systems, the sample companies' weighted average pretax income was only 3.1 percent of revenues. 19 This low profit margin reflected the interest expense associated with an average debt-to-equity ratio for the sample... View Details

Keywords: by Thomas R. Eisenmann; Media & Broadcasting; Consumer Products; Entertainment & Recreation

04 Jan 2012
First Look

First Look: January 4

Is mixed bundling more effective than pure bundling or pure components? Does correlation in consumer valuations make bundling more or less effective? Does bundling serve as a complement or substitute to network effects? To address these... View Details

Keywords: Carmen Nobel

11 Aug 2009
First Look

First Look: August 11, 2009

Value: An Examination of Equity Betas and Bid-Ask Spreads Authors:Edward J. Riedl and George Serafeim Abstract Finance theory suggests that information risk—that is, the uncertainty regarding valuation parameters for an underlying... View Details

Keywords: Martha Lagace