I wonder if economics has less basic core material than is necessary for fields such as mathematics, physics, or chemistry, say.

A teacher told my mother that I would never become successful, which illustrates the difficulty of long-run forecasting on inadequate data.

Rob Engle and I are concerned with extracting useful implications from economic data, and so the properties of the data are of particular importance.

A potentially useful property of forecasts based on cointegration is that when extended some way ahead, the forecasts of the two series will form a constant ratio, as is expected by some asymptotic economic theory.

We need society, and we need solitude also, as we need summer and winter, day and night, exercise and rest.

Modern medicine is a negation of health. It isn't organized to serve human health, but only itself, as an institution. It makes more people sick than it heals.

I took on cancer like I take on everything - like a mission and a job to accomplish.

I don't have a fixed fitness regime, as everything depends on my work schedule and my fitness instructor. But I make sure that I work out 365 days a year for at least one and a half hours, no matter what.