Search Engine Advertising is one of the fastest growing instruments in online marketing and a major source of costs for online advertisers. In this research, we empirically and experimentally investigate the impact of ad positioning on key performance indicators in search engine advertising...

Studies such as Lemmon, Roberts and Zender (2008) demonstrate how stable firms’capital structures are over time, and raise the question of whether new theories of capital structure are needed to explain these phenomena. In this paper, I show that trade-off theory-based empirical proxies that...

This study contributes to assessments of competition in pharmaceutical markets focusing on price strategies of new market entrants. After an initial phase of market building, further follow-on products induce price competition. Largely unchanged prices after 4 years may be interpreted as...

This study covers “tapering scale” mechanism in hospital payments, i.e. mechanisms linking unit prices to the volume of services produced. This paper begins with an overview of hospital services and hospital payment methods in OECD countries, focusing more specifically on DRG-based payment....

Several low- and middle-income countries are interested in extending their existing health insurance for specific groups to eventually cover their entire populations. For those countries interested in such an extension, it is important to understand what characterises a well performing social...