This paper extends a well-established vertical product differentiation model toan international duopoly with two segmented countries, where firms compete inquality and price. The framework is used to analyse governments’ incentives forunilateral minimum standard-setting as well as the scope...

Our paper deals with econometric developments for the estimation of the gravity model whichlead to convergent parameter estimates even when a correlation exists between theexplanatory variables and the specific unobservable characteristics of each unit. Weimplement panel data econometric...