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A theory of systemic risk and design of prudential bank regulation

Journal of Financial Stability 2009 5(3), 224-255
Systemic risk is modeled as the endogenously chosen correlation of returns on assets held by banks. The limited liability of banks and the presence of a negative externality of one bank’s failure on the health of other banks give rise to a systemic risk-shifting incentive where all banks undertake correlated investments, thereby increasing economy-wide aggregate risk. Regulatory mechanisms such as bank closure policy and capital adequacy requirements that are commonly based only on a bank’s own risk fail to mitigate aggregate risk-shifting incentives, and can, in fact, accentuate systemic risk. Prudential regulation is shown to operate at a collective level, regulating each bank as a function of both its joint (correlated) risk with other banks as well as its individual (bank-specific) risk.

Bankruptcy Codes and Innovation

Review of Financial Studies 2009 22(12), 4949-4988
We argue that when bankruptcy code is creditor friendly, excessive liquidations cause levered firms to shun innovation, whereas by promoting continuation upon failure, a debtor-friendly code induces greater innovation. We provide empirical support for this claim by employing patents as a proxy for innovation. Using time-series changes within a country and cross-country variation in creditor rights, we confirm that a creditor-friendly code leads to a lower absolute level of innovation by firms, as well as relatively lower innovation by firms in technologically innovative industries. When creditor rights are stronger, technologically innovative industries employ relatively less leverage and grow disproportionately slower.

Depreciation Rules and the Relation between Marginal and Historical Cost

Journal of Accounting Research 2009 47(3), 823-865
The reported cost of a product frequently contains historical cost components that reflect past investments in productive capacity. We examine a setting wherein a firm makes a sequence of overlapping capacity investments. Earlier research has identified particular accrual accounting (depreciation) rules with the property that, on a per unit basis, the historical cost of a product captures precisely its marginal cost. Relative to this benchmark, we investigate and characterize the direction and magnitude of the bias in reported historical cost that results from alternative depreciation rules, including in particular straight‐line depreciation in conjunction with partial direct expensing. In addition, we demonstrate that for a reasonable range of parameter specifications the resulting bias is rather small. Finally, we apply our framework to two specific settings. First, in a regulatory context, we establish the extent to which the accounting profit margin is indicative of a firm's pricing power in the product market. Second, we model an internal control scenario in which a manager's performance is evaluated using residual income, and identify the distortions in investment levels that result from the use of alternative depreciation rules.

A Lobbying Approach to Evaluating the Sarbanes‐Oxley Act of 2002

Journal of Accounting Research 2009 47(2), 519-583
We evaluate the impact of the Sarbanes‐Oxley Act (SOX) on shareholders by studying the lobbying behavior of investors and corporate insiders in order to affect the final implemented rules under SOX. Investors lobbied overwhelmingly in favor of strict implementation of SOX, while corporate insiders and business groups lobbied against strict implementation. We identify firms most affected by the law as those whose insiders lobbied against strict implementation. Such firms appear to be characterized by agency problems, rather than motivated by concerns over compliance costs. Cumulative stock returns during the five and a half months leading up to SOX passage were approximately 7% higher for corporations whose insiders lobbied against SOX disclosure‐related provisions than for similar non‐lobbying firms, consistent with an expectation that SOX would reduce agency problems. Analysis of returns in the post‐passage implementation period suggests that investors' positive expectations with regards to the effects of these provisions were warranted.

Capital Market Imperfections and the Sensitivity of Investment to Stock Prices

Journal of Financial and Quantitative Analysis 2009 44(3), 551-578
Prior studies argue that investment by undervalued firms that require external equity is particularly sensitive to stock prices in irrational capital markets. We present a model in which investment can appear to be more sensitive to stock prices when capital markets are rational, but subject to imperfections such as debt overhang, information asymmetries, and financial distress costs. Our empirical tests support the rational (but imperfect) capital markets view. Specifically, investment–stock price sensitivity is related to firm leverage, financial slack, and probability of financial distress, but is not related to proxies for firm undervaluation. Because, in our model, stock prices reflect the net present values (NPVs) of investment opportunities, our results are consistent with rational capital markets improving the allocation of capital by channeling more funds to firms with positive NPV projects.

The Incentive Value of Inventory and Cross‐training in Modern Manufacturing

Journal of Accounting Research 2009 47(4), 991-1025
This paper shows that major components of modern manufacturing processes, such as inventory management and cross‐training, play a significant control role. In our model, workers possess information that is critical to efficient ongoing operations. An organizational design that motivates workers to optimally apply this information leverages both the production schedule and worker–management communication. Management's use of these controls results in work‐in‐process (WIP) inventory that appears excessive from a pure job‐scheduling perspective, but is optimal when control issues are considered. Empirical work testing pure job‐scheduling theories of modern manufacturing practices has yielded mixed results. We provide control‐related interpretations for these empirical findings, and also provide novel predictions regarding the link between inventory levels and the nature of operational information asymmetries. Overall, our model highlights the importance of recognizing both control and scheduling issues when analyzing production processes.

Objective versus Subjective Indicators of Managerial Performance

The Accounting Review 2009 84(1), 209-237
Managerial bonus payments are frequently determined by both objective and subjective indicators of managerial performance. By its very nature, subjective information is not verifiable for contracting purposes. The inclusion of such information in managerial bonus schemes therefore requires a principal to retain discretion in authorizing actual bonus payments. At the same time, the principal must be able to commit to an overall bonus pool that will be paid out either inside or outside the agency. Our analysis examines the structure of optimal bonus pool arrangements. The non-verifiability of the subjective indicators changes many of the predictions obtained in traditional agency settings with verifiable performance indicators. In particular, our results address the contractual value of additional information variables, the desirability of compressed incentive schemes, and the nature of relative performance evaluation in settings with multiple agents.

Do Foreigners Invest Less in Poorly Governed Firms?

Review of Financial Studies 2009 22(8), 3245-3285
As domestic sources of outside finance are limited in many countries around the world, it is important to understand factors that influence whether foreign investors provide capital to a country's firms. We study 4, 409 firms from twenty-nine countries to assess whether and why concerns about corporate governance result in fewer foreign holdings. We find that foreigners invest less in firms that reside in countries with poor outsider protection and disclosure and have ownership structures that are conducive to governance problems. This effect is particularly pronounced when earnings are opaque, indicating that information asymmetry and monitoring costs faced by foreign investors likely drive the results. The Author 2008. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: [email protected]., Oxford University Press.

The Audit Committee Oversight Process*

Contemporary Accounting Research 2009 26(1), 65-122
Relatively few studies have examined the audit committee oversight process--the activities that link audit committee inputs and financial reporting outcomes. To study this process, we conducted extensive interviews with 42 U.S. public company audit committee members. We explore six audit committee process areas, offer insights into the state of audit committee processes in the post-Sarbanes-Oxley Act (SOX) environment, and consider our results in light of agency theory and institutional theory; We find that many audit committee members strive to provide effective monitoring of financial reporting and seek to avoid serving on ceremonial audit committees, but within each of the six process areas we find evidence of both substantive monitoring and ceremonial action, such that neither agency theory nor institutional theory fully explains our results. We also find that many responses vary with personal and company characteristics, with particularly notable differences related to audit committee members' accounting expertise and time of appointment to the audit committee (pre-SOX versus post-SOX). We discuss implications and directions for future research and theory development.

Reciprocity and the Effectiveness of Optimal Agency Contracts

The Accounting Review 2009 84(5), 1671-1694
Optimal agency contracts pay the lowest wage necessary to induce profit-maximizing effort. Employees could view such contracts as violating reciprocity because, relative to more reciprocal contracts, they offer a lower wage in exchange for higher effort. Consequently, the profit-maximizing effectiveness of optimal contracts could be impaired if employees reject them or reduce their effort. We use experimental labor markets to examine (1) how employees respond to an optimal versus a suboptimal reciprocity-based contract when each contract is the only contract available, (2) how employees respond to these contracts when firms choose which one to offer, (3) whether the firms' contract offers depend on employees' reactions to those offers, and (4) how employees and firms react to a hybrid contract that incorporates features of both contracts. We find that the optimal contract is less effective than agency analysis predicts, the reciprocity-based contract can be equally effective, and the hybrid contract dominates a market in which all three contracts are available. Implications of these results are discussed.