We examine the timing and quality of product introduction in an R&D stopping game, where we allow for horizontal and vertical differentiation in the product market. We observe that discontinuous changes in introduction dates can occur as firms' abilities as researchers change. Further, when the...

Formal standards codify knowledge. Next to patents representing the generation of innovative knowledge, standards can hence be used to proxy the diffusion of innovative knowledge in macroeconomic growth models. Previous work mainly investigates the positive impact of in particular patents, but...

Die Inhaber der Rechte an Musikstücken drängen auf einen wirksamen Schutz vor der unberechtigten Nutzung der von ihnen verlegten Titel. Anbieter von Musik-Download-Diensten haben daher Programme entwickelt (Digital Rights Management Systems, DRMS), die unter anderem das Kopieren verhindern...

This study provides new identification and estimation results for ascending (traditional English or online) auctions with unobserved auction-level heterogeneity and an unknown number of bidders. When the seller's reserve price and two order statistics of bids are observed, we derive conditions...

This paper analyzes how injunctions relate to patent hold-up problems. To this end, we present a simple model of licensing negotiations between a patent holder and a downstream firm in the shadow of litigation. More specifically, we consider the situation in which an injunction is granted as a...

Hoffnungsträger zur Überwindung der Corona-Pandemie sind die potentiellen Impfstoffe. Um die Pandemie zu beenden, wäre ein weltweiter Einsatz dieser Impfstoffe nötig. Der knappe Impfstoff steht aber nur den reichsten Ländern der Welt zur Verfügung. Bei Innovationen wie den...

This paper analyzes the use and effectiveness of patents and trade secrets designed to protect innovation. While previous studies have usually considered patents and trade secrets as substitutes for one another, we investigate to what extent and in what situations the two protection methods are...

Most marketing practitioners and scholars agree that marketing assets such as brand equity significantly contribute to a firm’s financial performance. In this paper, we model brand equity as an unobservable stock that results from up to 30 years of past brand-related investment flows. Using...