We introduce systematic tests exploiting robust statistical and behavioral patterns in trading to detect fake transactions on 29 cryptocurrency exchanges. Regulated exchanges feature patterns ...

The Martin Feldstein Lecture is an annual lecture, presented during the NBER Summer Institute in Cambridge, Massachusetts. The lecture, which was initiated in 2009 by the NBER Board of Directors, ...

Using Eurobarometer data for 21 Western European countries since 1973 we show the U-shape in life satisfaction by age, present for so long, has now vanished. In 13 northern European countries - ...

We develop and quantify a novel growth theory in which economic activity endogenously shifts from material production to quality improvements. Consumers derive utility from goods with differing ...

We conducted a large-scale field experiment in Granada, Spain, to assess the motivating effect on blood donation of matching each attempt to donate with a charitable contribution pledge for children ...

In contracting out, monitoring is an important policy tool to extract information on firm quality and incentivize quality provision. This paper examines a central quality inspection of nursing homes, ...