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why do firms go public? - Marriott School

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term increase in investment, but the increase <strong>do</strong>es not persist. As for leverage, independent <strong>firms</strong><br />

reduce their leverage immediately with persistence. On the other hand, carve-outs <strong>do</strong> not<br />

immediately reduce leverage, but <strong>do</strong> so in the long-run. For payout, no significant changes are<br />

detected after the IPO, in accordance with the prediction. Overall, Pagano et al (1998) provide<br />

mixed evidence for the borrowing constraint hypothesis. As we will see <strong>go</strong>ing forward, this mixed<br />

evidence conclusion will apply to all of the <strong>go</strong>ing <strong>public</strong> theories. The question soon becomes,<br />

which theories apply to which subsets of <strong>firms</strong><br />

To test the bank bargaining power hypothesis, Pagano et al. (1998) posit that <strong>firms</strong> facing<br />

higher interest rates and more concentrated credit sources should be more likely to <strong>go</strong> <strong>public</strong>.<br />

Credit cost is approximated with the ratio of the firm’s interest rate scaled by an average interest<br />

factor. Credit concentration is measured with a Herfindahl index of the lines of credit by all of its<br />

lenders. With post-IPO data, credit should become cheaper and more available for the newly<br />

<strong>public</strong> firm.<br />

Pagano et al. (1998) Table III (pg. 44) reports that neither the bank rate nor the credit<br />

concentration is a determining factor for the decision to <strong>go</strong> <strong>public</strong>. Using post-IPO data however,<br />

indicates that the cost of credit decreases for independent IPOs and the concentration of credit is<br />

reduced (particularly for independent IPOs). Thus, the IPO offering data <strong>do</strong>es not support the<br />

bargaining power hypothesis; but the post-IPO data <strong>do</strong>es.<br />

Asymmetric information/Pecking order of financing<br />

Based on asymmetric information between managers and investors and possible stock<br />

price misvaluation, Myers and Majluf (1984) and Myers (1984) argue for a pecking order of<br />

financing: internal equity, debt financing, and then external equity. This line of logic asserts that<br />

outside investors take the issuance of external equity as a negative signal, that management feels<br />

7

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