How much should portfolios shrink?

How Much Should We Trust

Most papers that employ Differences-in-Differences estimation (DD) use many years of data and focus on serially correlated outcomes but ignore that the resulting standard errors are inconsistent. To illustrate the severity of this issue, we randomly generate placebo laws in state-level data on female wages from the Current Population Survey. For each law, we use OLS to compute the DD estimate o...

How much should nurse consultants be paid?

There was no consensus on the issue of how much nurse consultants should be paid among the practitioners we spoke to at last week's UKCC roadshow. Some suggested starting salaries of around £25,000, and others said 'the sky's the limit'.

How Much Redistribution Should There Be?

How much should doctors tell their patients?

The impact of the electronic media and interactive technology today is phenomenal and is changing our world in profound ways, in the realms of science, space, sports, travel, entertainment and communication, to name a few. The information age is squarely upon the human race, and thriving inexorably on its voracious appetite for knowledge. Never has the term "information on one's finger tips" be...

How Much Should Highway Fuels Be Taxed?

This paper provides an updated assessment of economically efficient taxes on gasoline (used by light-duty vehicles) and diesel (used by heavy-duty trucks) to address various highway externalities in the United States. The (second-best) corrective fuel taxes are estimated, and we discuss the implications of fuel economy regulations and prospective (nationwide) controls on carbon emissions. We al...