Jurgen Von Hagen Books

This issue of the EPI Forum Report presents three different perspectives on the contentious issue of how the EU and the Central and East European (CEE) countries should come to terms with accession...

Sustainability of Public Finances

By Jurgen Von Hagen, Roberto Perotti, Rolf Strauch

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Sustainable Regimes of Capital Movements in Accession Countries CEPR Policy Paper

By Charles Wyplosz, David K.H. Begg, Jurgen Von Hagen, Barry Eichengreen, Laszlo Halpern

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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.