"Pop internationalists" -- people who speak impressively about international trade while ignoring basic economics and misusing economic figures are the target of this collection of Paul Krugman's most recent essays. In the clear, readable, entertaining style that brought acclaim for his...

"I have spent my whole professional life as an international economist thinking and writing about economic geography, without being aware of it," begins Paul Krugman in the readable and anecdotal style that has become a hallmark of his writings. Krugman observes that his own shortcomings in...

Why do certain ideas gain currency in economics while others fall by the wayside? Paul Krugman argues that the unwillingness of mainstream economists to think about what they could not formalize led them to ignore ideas that turn out, in retrospect, to have been very good ones. Krugman examines...

Since 1990 there has been a renaissance of theoretical and empirical work on the spatial aspects of the economy--that is, where economic activity occurs and why. Using new tools--in particular, modeling techniques developed to analyze industrial organization, international trade, and economic...

In this paper I describe group theoretic methods that can be used for analyzing the boundary problems, which arise when the Hamiltonian method is applied to solve the relaxed problem for the multidimensional screening problem. This technique can provide some useful insights into the structure of...