The Survey of Health, Ageing and Retirement in Europe (SHARE) is cross national: the questionnaire is identical across all participating countries and, because of the modest size of the sample in each country, it is usually not feasible to proceed to solely national use of the data. Moreover, as...

Non-response bias refers to the mistake one expects to make in estimating a population characteristic based on a sample of survey data in which, due to non-response, certain types of survey respondents are under-represented. Social scientists often attempt to make inferences about a population...

Much research sponsored by the Department of Agriculture's Food and Nutrition Service (FNS) has evaluated the effects of the Food Stamp Program (FSP) and other food and nutrition programs on outcomes of interest (e.g., dietary intake or food expenditures). Of course, the problem of...

We propose a novel approach to cross-sectional equities sample selection, derived from best market practice in index construction and focused on investability. Using the U.K. market as a template, we first demonstrate how the popular Datastream dataset is plagued by data deficiencies that would...

In the article private rate of return to higher education in the 1998-2005 period is considered. The model is based on a comparative advantage theory. Extended Mincerian wage equation is used to account for a non-random decision to undertake studies at university level. The estimate of private...

We construct and estimate a modified version of the Crépon, Duguet and Mairesse (1998) model to investigate the links between R&D, innovation output and productivity. We propose a model specification that, among other features, aims to better capture the variance component of the cooperation...

We propose a novel approach to cross-sectional equities sample selection, derived from best market practice in index construction and focused on investability. Using the U.K. market as a template, we first demonstrate how the popular Datastream dataset is plagued by data deficiencies that would...

In the article private rate of return to higher education in the 1998-2004 period is considered. The model is based on comparative advantage theory and extended Mincerian wage equation. The extension is made to account for non-random decision to undertake studies at university level. The...