Prions are infectious agents made primarily of a misfolded host protein rather than nucleic acid, and they cause a distinctive group of fatal neurodegenerative diseases in humans and animals. Over fou
Over the past three decades, a large amount of research has attempted to identify the determinants of the natural rate of unemployment. It is this body of work we assess in this paper. We reach two ma
Prions are infectious agents made primarily of a misfolded host protein rather than nucleic acid, and they cause a distinctive group of fatal neurodegenerative diseases in humans and animals. Over fou
In this paper we evaluate what economists have learned over the past 40 years about the determinants of crime. We base our evaluation on two kinds of evidence: an examination of aggregate data over lo