NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Nittai Bergman

Working Papers and Chapters

June 2008Liquidation Values and the Credibility of Financial Contract Renegotiation: Evidence from U.S. Airlines
with Efraim Benmelech: w14059
How do liquidation values affect financial contract renegotiation? While the 'incomplete contracting' theory of financial contracting predicts that liquidation values determine the allocation of bargaining power between creditors and debtors, there is little empirical evidence on financial contract renegotiations and the role asset values play in such bargaining. This paper attempts to fill this gap. We develop an incomplete-contracting model of financial contract renegotiation and estimate it using data on the airline industry in the United States. We find that airlines successfully renegotiate their lease obligations downwards when their financial position is sufficiently poor and when the liquidation value of their fleet is low. Our results show that strategic renegotiation is common in...
March 2008Collateral Pricing
with Efraim Benmelech: w13874
We examine how collateral affects the cost of debt capital. Theories based on borrower moral hazard and limited pledgeable income predict that collateral increases the availability of credit and reduces its price. Testing these theories is complicated by the very selection problem which they imply: creditors will demand collateral precisely from those borrowers who are riskier. This selection problem leads to a positive relation in the data between the presence of collateral and the loan yield. Analyzing the extensive margin of collateral use, therefore, masks the hypothesized negative impact that collateral exhibits on debt yields. In this paper, we alleviate this problem by focusing on a particular industry and examining its intensive, rather than extensive, margin of collateral use. Usi...
June 2005Employee Sentiment and Stock Option Compensation
with Dirk Jenter: w11409
The use of equity-based compensation for employees in the lower ranks of large organizations is a puzzle for standard economic theory: undiversified employees should discount company equity heavily, and any positive incentive effects should be diminished by free rider problems. We analyze whether the popularity of option compensation for rank and file employees may be driven by employee optimism. We develop a model of optimal compensation policy for a firm faced with employees with positive or negative sentiment, and explicitly take into account that current and potential employees are able to purchase equity in the firm through the stock market. We show that employee optimism by itself is insufficient to make equity compensation optimal for the firm. Any behavioral explanation for equity ...

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