An important discussion in recent years is the introduction of product patentsand the abolition of process patents. In a model with endogenous number of innovatingfirms, we show that whether product patent increases R&D is ambiguous, and depends onthe type of market demand and the cost of R&D....

We show that a monopolist input supplier licenses its technology to create a second source of input supply if second sourcing increases competition in the final goods market. We also show that welfare increases under second sourcing...

In a vertically separated industry, where the input suppliers have significantmarket power, not only entry but also the markets (upstream or downstream) withentry possibilities might be a concern to the policy makers. While ‘entry in thedownstream market only’ always increases welfare,...

In this paper, we aim to model the vertical relation between retailers and suppliersin the food industry whereby retailers exercise seller power in their relation with consumersand buyer power in their relation with producers. We then evaluate the degree of pricetransmission, relative to the...

This paper is concerned with the impact of food scares, principally the BSE crisis, in the UK and focuses on price adjustment at different stages in a vertically-related market. Our interest is motivated primarily by the presence of market power that is alleged to occur in UK food retailing....

This paper focuses on price transmission in a vertically-related set-up where the retail stage may exercise oligopoly and/or oligopsony power, an issue addressed by the UK anti-trust authority investigation of the food retailing sector. From a theoretical perspective, we set out simple tests...

This paper is concerned with the impact of food scares, principally the BSE crisis, in the UK and focuses on price adjustment at different stages in a vertically-related market. From a theoretical perspective we show that if market power has an effect on the margin between retail and farm prices...

In open-end funds, net inflows are positively correlated with past performance. This study investigates how past net asset value (NAV) returns affect the premium on closed-end funds traded in the United States and the United Kingdom. Past performance is significantly priced in stock funds,...

...In this paper, we tackle all these difficulties by conducting a full geomatrical analysis of the comparative statics of general models...

Childcare subsidies are typically advocated as a means to making paid employmentprofitable for mothers, but also have important ramifications for the use and quality ofpaid childcare. Even if one is concerned primarily with the quantity aspect, the qualitydimension cannot be ignored. This paper...