This study's estimates of the reduction in accidents from a ban on cell phone use while driving are both lower and less certain than previous studies indicate.

This study's estimates of the reduction in accidents from a ban on cell phone use while driving are both lower and less certain than previous studies indicate.

We describe the broad range of uncertainties faced by the developers of medical technologies. Empirically, we estimate the asset market incidence of the realization  of two such of uncertainties experienced by the biotechnology firm Myriad Genetics, Inc.

The establishment of new accounting rules for expensing options would likely do more harm than good.

Requiring companies to expense options in the absence of any satisfactory method to evaluate their costs would be inconsistent with the principles and objectives of accounting.

Requiring companies to expense options in the absence of any satisfactory method to evaluate their costs would be inconsistent with the principles and objectives of accounting.

The establishment of new accounting rules for expensing options would likely do more harm than good.

Can access to regulators provide operational benefits to firms?

Can access to regulators provide operational benefits to firms?