Robert Hagin Books

The Dow Jones-Irwin guide to modern portfolio theory

By Robert Hagin

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Investment Management: Portfolio Diversification, Risk, And Timing--Fact And Fiction

By Robert L. Hagin, Robert Hagin

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A new look at the important issue of investment management in the 21st century Written for professional and private investors-as well as fiduciaries who rely on investment professionals-this book p...

What Today'S Investor Should Know About: The New Science Of Investing

By Robert, Hagin, Robert Hagin, Robert Hagin With Chris Mader

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xviii, 335 pages 24 cm Includes bibliographical references (pages 313-326)

The Dow Jones-Irwin guide to modern portfolio theory

By Robert Hagin

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Winning Investment Strategies

By Kathleen DeRose, Robert L. Hagin

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Investment Management

By Robert L. Hagin

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Investment Management

By Robert Hagin

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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.