In a circular city model, I consider network design and pricing decisions for asingle fast transport connection that faces competition from a slower but betteraccessible transport mode. To access the fast transport network individuals haveto make complementary trips by slow mode. This fact has...

This discussion paper resulted in an article in the <I>International Journal of Transport Economics </I> (2010). Volume 37(2), pages 169-194.<P> Rail cost function analysis has been a popular topic in the (empirical) economics literature over the past decades. Most studies find increasing returns to...</p></i>

A class of adaptive sampling methods is introduced for efficient posterior and predictive simulation. The proposed methods are robust in the sense that they can handle target distributions that exhibit non-elliptical shapes such as multimodality and skewness. The basic method makes use of...