Announcement of convertible debt issuance, capital structure change and signaling: a comparative study for the Athens Stock Exchange

Δημήτριος Φ. Καινούργιος


This paper provides evidence on the valuation effects of the announcement of convertible
debt issuance by Greek companies listed in the Athens Stock Exchange (ASE) during '90. The
price effects of the announcement of convertible debt offerings are compared with those of other
major capital structure changes (announcement of straight debt and common stock issuance).
View in this broader context, it is empirically investigated the signaling mechanism of the Greek
stock market, and it is also tested the semi-strong efficient market hypothesis. The evidence suggests
that the announcement of convertible and straight debt offerings have both positive and negative
price effects, while the announcement of common stock issuance have negative price effects.
The nature of the conveyed information about the issuing firms is consistent with other international
evidence and gives support (total or partial) to specific classes of capital structure theories,
while the existence of non-zero abnormal returns around the announcement periods leads to the
rejection of the semi-strong efficient market hypothesis for the ASE.


Corporations; Corporate debt

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η δικτυακή πύλη της ευρωπαϊκής ένωσης ψηφιακή ελλάδα ΕΣΠΑ 2007-2013