Analysis IPO short run return at Tehran stock exchange and subsequent equity offering based on signaling hypothesis

Document Type : Original Article

Authors

10.22034/iaar.2013.104548

Abstract

In most countries IPOs pricing is under intrinsic price that means IPOs has abnormal return in short run .one of the hypotheses in financial economics for explaining of this problem known as IPOs puzzle is signaling theory.
This study to discover the relation between underpricing and subsequent equity offering and Factors affecting the under pricing, of the new company's stock accepted in Tehran Stock Exchange has been. Research of time period is Ten-year (from 1378 to 1387). The study includes all companies listed in Tehran Stock Exchange. Analysis results from multiple linear regression and logit, tobit regression has been done.
The results show that signaling hypothesis and market feedback hypothesis is not supported .At the test of adverse selection theory the only factor influencing the under pricing is the standard deviation of weekly returns.

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