We study the relationship between pre-school children’s food consumption and household agricultural production. Using a large household survey from rural Ethiopia, we find that increasing household production diversity leads to considerable improvements in children’s diet...

We introduce a dynamic statistical model for Skellam distributed random variables. The Skellam distribution can be obtained by taking differences between two Poisson distributed random variables. We treat cases where observations are measured over time and where possible serial correlation is...

In this paper we investigate the pattern of R&D efficiency in terms of the number of product innovations achieved by firms over time. Embodied in the R&D capital stock, we distinguish among physical R&D capital and human R&D capital, and allow the latter to be subject to dynamic returns along...

Some recent contributions to the literature on cultural participation have highlighted the presence of previously disregarded motivations and the necessity of a refinement of the measure of cultural capital used in empirical analyses. However, the question of how motivation affects the frequency...