Introductory economics textbook models and theories are simple, intuitive, and elegant. Another thing they have in common is they are not supported by the data. Textbook models such as exchange rate determination are reviewed and compared to empirical literature. It is argued that much of the...

Moving from market segmentation to market integration (firms cannot discriminate among markets) is shown to have often anticompetitive effects in an infinitely repeated Cournot game. In particular, market integration between two countries leads both of them to experience anticompetitive effects...

This paper shows that moving from market segmentation to market integration (i.e. firms can no longer discriminate among markets) may have anti-competitive effects in a repeated game setting in which a simple trigger strategy is the enforcement strategy. In particular, we show that two countries...