Paul R. Krugman Books

Geography and Trade

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"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 s...

The Age of Diminished Expectations

By Paul R. Krugman

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Rethinking International Trade

By Paul R. Krugman

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Over the past decade, a small group of economists has challenged traditional wisdom about international trade. Rethinking International Trade provides a coherent account of this research program an...

Currencies and Crises

By Paul R. Krugman

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This new collection revolves around Krugman's work on international monetary economics from the late 1970s to the present in an effort to make sense of a turbulent period that "involved one surpris...

The Age of Diminished Expectations, Third Edition: U.S. Economic Policy in the 1990s

By Paul R. Krugman

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Development, Geography, and Economic Theory

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International Economics: Theory and Policy

By Maurice Obstfeld, Paul R. Krugman

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International economics

By Paul R. Krugman

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International Economics: Theory And Policy

By Maurice Obstfeld, Paul R. Krugman

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International Economics: Theory and Policy plus MyEconLab plus eBook 1-semester Student Access Kit

By Maurice Obstfeld, Paul R. Krugman

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.