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Page 1: © Copyright 1997 RAND
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RAND is a nonprofit institution that helps improve public policy through researchand analysis. RAND’s publications do not necessarily reflect the opinions or policiesof its research sponsors.

© Copyright 1997 RAND

Originally published by Westview Press, Boulder, Co., in 1994.

All rights reserved. No part of this book may be reproduced in any form by anyelectronic or mechanical means (including photocopying, recording, or informationstorage and retrieval) without permission in writing from RAND.

ISBN: 0-8330-2542-2

Published 1997 by RAND1700 Main Street, P.O. Box 2138, Santa Monica, CA 90407-2138

1333 H St., N.W., Washington, D.C. 20005-4792RAND URL: http://www.rand.org/

To order RAND documents or to obtain additional information, contact Distribution Services: Telephone: (310) 451-7002; Fax: (310) 451-6915; Internet: [email protected]

This second printing was prepared by RAND, using discretionary funds madepossible by the generosity of RAND’s donors, the fees earned on client-fundedresearch, and independent research and development (IR&D) funds provided by theDepartment of Defense.

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