It is known that Dickey-Fuller tests can lead to spurious rejections of the unit root nullhypothesis when the true generating process is difference-stationary with a break.Suppose now that an unsuccessful attempt is made to allow for a break, either throughmisplaced dummy variables or through...

We present a new approach to estimating health gains from treatments by asking respondentsto directly compare the ‘before’ and ‘after’ treatment health states in the time trade-off (TTO)framework. We found that responses to these direct comparisons were much more likely tocapture a...

Public pension programmes in many OECD countries are in difficulties. With anageing population, and declining participation of working age men in paid work,existing pension arrangements are far too costly in many countries, both now and inthe future. This paper examines the evidence as to...