National Time Accounting is a way of measuring society's well-being, based on time use. Its explicit form is the U-index, for "unpleasant" or "undesirable", which measures the proportion of time an individual spends in an unpleasant state. In this paper I review cross-country evidence on...

Many ways exist to measure and model financial asset volatility. In principle, as the frequency of the data increases, the quality of forecasts should improve. Yet, there is no consensus about a true' or best' measure of volatility. In this paper we propose to jointly consider absolute daily...

This paper introduces the News Impact Curve to measure how new information is incorporated into volatility estimates. A variety of new and existing ARCH models are compared and estimated with daily Japanese stock return data to determine the shape of the News Impact Curve. New diagnostic tests...

The standard of living in the industrialized nations has been steadily increasing over the last few decades. Yet some observers wonder whether we are really getting any happier. This paper addresses that question by examining well-being data on 100,000 randomly sampled Americans and Britons from...

We distinguish the measure of risk aversion from the slope coefficient in the linear relationship between the mean excess return on a stock index and its variance. Even when risk aversion is constant, the latter can vary significantly with the relative share of stocks in the risky wealth...