This paper presents an operational meaning to the concept of the variance in lifetime income in terms of the discounted variance of T mutually uncorrelated, sequentially realized, random variables. It is then shown how the logical implications of the lifecycle consumption model can be used to...

I study an example of a competitive environment in which trade occurs in a sequential manner. In this example, a country with a stable demand may suffer from trade with a country with unstable demand, there may be too much trade, a country may import and export the same good in the same period...

We use large unpublished data set about the prices by store of 381 products collected by the Israeli Bureau of Statistics during 1991-1992 in the process of computing the CPI. On average 24% of the stores changed their price where the average is over products and months. Using the standard...