This study is an empirical investigation of the empty nest syndrome, commonly understood as a situation where there are feelings of loss or loneliness for mothers and/or fathers following the departure of the last child from the family home. This investigation makes use of rich, longitudinal,...

Production functions provide a mapping from the firms' input quantity and productivity to output quantity. This mapping only generates unbiased estimates if input and output quality variation within and between observation units is accounted for. I review and classify state-of-the-art methods to...

This paper considers a market in which only the incumbent's quality is publicly known. The entrant's quality is observed by the incumbent and some fraction of informed consumers. This leads to price signalling rivalry between the duopolists, because the incumbent gains and the entrant loses when...