ARE THERE RATIONAL BUBBLES IN THE U.S STOCK MARKET? OVERVIEW AND A NEW TEST

Ramaprasad Bhar and Anastasios Malliaris

Chapter 12 in Economic Uncertainty, Instabilities and Asset Bubbles:Selected Essays, 2005, pp 187-206 from World Scientific Publishing Co. Pte. Ltd.

Abstract: AbstractA speculative bubble is usually defined as the difference between the market value of a security and its fundamental value. Although there are several important theoretical issues surrounding the topic of asset bubbles, the existence of bubbles is inherently an empirical issue that has not been settled yet. This paper reviews several important tests and offers one more methodology that improves upon the existing ones. The new test is applied to the annual U.S. stock market data spanning over a century and at the monthly frequency covering the post-war period. Although we find evidence of stock price bubble in both cases, the post-war period exhibit only positive component whereas the annual data exhibit some episode of negative bubble.

Keywords: Asymptotic Economic Growth; Inflation; Interest Rates; Asset Pricing; Equity Markets; Foreign Currency; Monetary Policy; Crash (search for similar items in EconPapers)
JEL-codes: C58 C73 E31 E37 E43 G12 G17 (search for similar items in EconPapers)
Date: 2005
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