Purchasing power parity exchange rates, or PPPs, are price indexes that summarize prices in each country relative to a numeraire country, typically the United States. These numbers are used to compare living standards across countries, by academics in studies of economic growth, particularly...

Elderly Americans who live with people under age 18 have lower life evaluations than those who do not. They also experience worse emotional outcomes, including less happiness and enjoyment, and more stress, worry, and anger. In part, these negative outcomes come from selection into living with a...

For thirty years, it has been accepted that consumption is smooth because permanent income is smoother than measured income. This paper considers the evidence for the contrary position, that permanent income is in fact less smooth than measured income, so that the smoothness of consumption...

The Indian national sample surveys collect data on the unit values of a large number of foods which can be used to compute price index numbers that can be compared with the official national price indexes, the Consumer Price Index for Agricultural Labourers (CPIAL) for rural India, and the...

This paper is broadly concerned with the living standards of older people in two contrasting developing countries, Cote d'Ivoire and Thailand. We use a series of household surveys from these two countries to present evidence on factors affecting the living standards of the elderly: living...

RCTs would be more useful if there were more realistic expectations of them and if their pitfalls were better recognized. For example, and contrary to many claims in the applied literature, randomization does not equalize everything but the treatment across treatments and controls, it does not...