Perhaps the most important change of the last century was the great expansion of life itself -- in the US alone, life expectancy increased from 48 to 78 years. Recent economic estimates confirm this claim, finding that the economic value of the gain in longevity was on par with the value of...

The celebrated economist Zvi Griliches’s entire career can be viewed as an attempt to advance the cause of accuracy in economic measurement. His interest in the causes and consequences of technical progress led to his pathbreaking work on price hedonics, now the principal analytical technique...

A central problem in applied empirical work is to separate out the patterns in the data that are due to poor production of the data, such as e.g. non-response and measurement errors, from the patterns attributable to the economic phenomena studied. This paper interprets this inference problem as...