TY - JOUR AU - Jung,Jeeman AU - Shiller,Robert J. TI - One Simple Test of Samuelson's Dictum for the Stock Market JF - National Bureau of Economic Research Working Paper Series VL - No. 9348 PY - 2002 Y2 - November 2002 UR - http://www.nber.org/papers/w9348 L1 - http://www.nber.org/papers/w9348.pdf N1 - Author contact info: Robert J. Shiller Yale University, Cowles Foundation Box 208281 30 Hillhouse Avenue New Haven, CT 06520-8281 Tel: 203/432-3708 Fax: 203/432-6167 E-Mail: robert.shiller@yale.edu AB - Samuelson (1998) offered the dictum that the stock market is 'micro efficient' but 'macro inefficient.' That is, the efficient markets hypothesis works much better for individual stocks than it does for the aggregate stock market. In this paper, we present one simple test, based both on regressions and on a simple scatter diagram that vividly illustrates that there is some truth to Samuelson's dictum. The data comprise all U.S. firms on the CRSP tape that have survived since 1926. ER -