The Reduced Wealth Index (RWI) used at the Public Opinion Poll Center (POPC) of the Information and Decision Support Center (IDSC) - Egyptian Cabinet, is evaluated for possible change in the importance pattern of the assets used to create the wealth index between the years 2005 and 2008. The...

We consider selecting a regression model, using a variant of Gets, when there are more variables than observations, in the special case that the variables are impulse dummies (indicators) for every observation. We show that the setting is unproblematic if tackled appropriately, and obtain the...