Daniel F. Spulber Books

This book presents a theory of the firm based on its economic role as an intermediary between customers and suppliers. Professor Spulber demonstrates how the intermediation theory of the firm expla...

Deregulatory Takings and the Regulatory Contract

By J. Gregory Sidak, Daniel F. Spulber

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Market Microstructure

By Daniel F. Spulber

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Famous Fables of Economics

By Daniel F. Spulber

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"Famous Fables of Economics critiques some of our most cherished stories of market failure. Economists have used these colorful myths to justify a wide range of public policy interventions in the e...

Famous Fables of Economics

By Daniel Spulber

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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.