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...

The literature has paid far too little attention to the potential impact of retro appearance and bandwagon effect on the adoption of really new products. By integrating the retro appearance and bandwagon perspectives, we aim to contribute to the understanding of adoption of really new products....