We discuss most favoured nation (MFN) treatment in trade agreements, and its significance for developing countries, suggesting that its value to individual countries depends critically on the relevant model solution concept used to evaluate it. We analyze both rights to MFN treatment in foreign...

We analyze the economic costs of national security related border delays in a Baumol-Tobin inventory theoretic framework. We show that there are social costs induced by behavioural responses to the delays, in addition to time costs at the border.