Uncertain Private Benefits and the Decision to Go Public

46 Pages Posted: 6 Mar 2008

See all articles by Olaf Ehrhardt

Olaf Ehrhardt

University of Applied Sciences Stralsund

Henry Lahr

The Open University - Business School; University of Cambridge - Centre for Business Research (CBR)

Date Written: December 19, 2007


This paper focuses on the decision to go public when both seller and potential buyers have private benefits of control. The basic model by Zingales (1995) is extended to account for uncertainty of private benefits. This leads to new implications for the sales process, ownership structure, measurement of private benefits and the efficiency of takeover regimes. The optimal way to sell the company differs from the model with perfect information in that the incumbent always choses to go public instead of selling directly to a potential rival whenever the rival is expected to increase cash flow but not necessarily total firm value. IPO price and volume are lower than under perfect information which induces a socially non-optimal solution in takeover transactions. Imperfect information also explains post-IPO underperformance of firms which are not subject to control transfers. To compensate shareholders for potential losses during the sales process, the offering price has to be lower than under perfect information. This provides the basis for a differential stock price performance depending on the buyer taking over or not. Furthermore, an overestimation bias exists in prior estimates of control premiums, because some firms going public are never sold but nevertheless provide private benefits. Finally, mandatory tender offers in the form of a fair price rule and an equal opportunity rule are discussed, which indicate that the social superiority of either rule is strongly dependent on the empirical distribution characteristics of private benefits.

Keywords: initial public offerings (IPOs), corporate control, private benefits, long-run performance, mandatory bid

JEL Classification: G14, G32, G34

Suggested Citation

Ehrhardt, Olaf and Lahr, Henry, Uncertain Private Benefits and the Decision to Go Public (December 19, 2007). Available at SSRN: https://ssrn.com/abstract=1101989 or http://dx.doi.org/10.2139/ssrn.1101989

Olaf Ehrhardt

University of Applied Sciences Stralsund ( email )

Zur Schwedenschanze 15
D-18435 Stralsund
United States

Henry Lahr (Contact Author)

The Open University - Business School ( email )

Milton Keynes, MK6 7AA
United Kingdom

University of Cambridge - Centre for Business Research (CBR) ( email )

Top Floor, Judge Business School Building
Trumpington Street
Cambridge, CB2 1AG
United Kingdom

HOME PAGE: http://www.cbr.cam.ac.uk

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