Forget the glorious successes of past breakthroughs—the real justification for research investment is what we get for our ...

To answer that, in several recent papers, economists have approached this issue in clever new ways. And, though they ask ...

There exists a growing literature on the estimation of gamma distributed multiplicative shared frailty models. There is, however, often a need to model more complicated frailty structures, but ...

High performance liquid chromatography (HPLC) is a widely used and well-established technique, routinely employed by thousands of analytical scientists worldwide. Nonetheless, certain ...

Global growth is projected at –4.9 percent in 2020, 1.9 percentage points below the April 2020 World Economic Outlook (WEO) forecast. The COVID-19 pandemic has had a more negative impact on activity ...

Accurate measurement of time-varying systematic risk exposures is essential for robust financial risk management.