Bush v. Gore and the Effect of New Source Review on Power Plant Emissions

New Source Review (NSR) is a Clean Air Act regulation that requires electric utilities to meet emission standards when making modifications to existing power plants. The regulation increases the cost of replacing worn out parts, and limits the firm’s scope of potential capital investments. Such restrictions may lead to greater retirements and lower utilization, adversely affecting profits. Prior to the 2000 presidential election, investors expected Bush to have a narrower interpretation of NSR than Gore. Therefore, we use changes in stock prices to estimate the effect on profits of differences in NSR policy. Our results indicate that investors expected the average boiler to be $38 million more valuable under the Bush administration. Over the boilers’ lifetimes, the additional utilization will have increased emissions by 19 million tons of sulfur dioxide, 5.9 million tons of nitrogen oxides and 980 million tons of carbon dioxide, relative to natural gas generation.      

FUTURE POLICY UNCERTAINTY, EFFORT, AND THE RESPONSIVENESS OF OUTPUT TO MARKET SIGNALS

This paper analyses the consequences of future policy uncertainty on the allocation of effort in an economy undergoing reforms. We demonstrate that uncertainty regarding future tax policies may reduce present effort, and will also reduce the responsiveness of output to productivity shocks and other market signals. The discussion has relevance for cases in which privatization will make present managers of firms the future owners and residual claimants to future output. An expectation that the purchasing price of the firm will have a positive relationship to present output will induce the manager to reduce contemporaneous effort, and uncertainty regarding the relationship will also depress present managerial effort.     

Competitive Neutrality in Access Pricing

This article examines the notion of competitive neutrality when setting access prices for vertically integrated bottleneck networks. In contrast to the claims of regulated firms (for example, Telstra), it is not possible to argue that access charges that involve unit prices in excess of short‐run marginal cost reflect competitive neutrality. That is, we demonstrate that in general models of downstream oligopoly, upstream prices that differ from marginal cost are not competitively neutral in the sense of placing integrated and non‐integrated firms on an equal basis.     

Interim audit scope,client size and client familiarity: An empirical analysis

This study investigates the scope of an audit conducted during the first part of the annual auditing cycle. It measures empirically the probability of auditing various balance sheet and income statement accounts. The results indicate that current assets and liabilities have a higher probability for an interim audit than fixed assets, long-term debt and equity accounts. Furthermore, the likelihood of including each account in an interim audit increases with client size, so the larger an auditee, the wider the audit scope during the beginning of the audit cycle. Also, the empirical results indicate that the lower the familiarity of the auditor with the auditee, the wider the scope of an interim audit. These results seem to be consistent with auditing theory and intuition.     

Food Stamp Benefits and Child Poverty

In 2000, 8.8 million children lived in households participating in the Food Stamp Program, making this assistance program a crucial component of the social safety net. Despite its importance, little research has examined food stamps' effect on children's overall well-being. Using the Current Population Survey from 1989 to 2001, we consider the impact of food stamps on three measures of poverty—the headcount, the poverty gap, and the squared poverty gap. We find that in comparison to the headcount measure, food stamp benefits lead to large reductions in the poverty gap and squared poverty gap measures.     

The Causal Structure of Land Price Determinants

This paper investigates causation contemporaneously and dynamically to elucidate the persistent lack of agreement about what "causes" changes in farmland prices. The analysis synthesizes and extends previous investigations in this area by employing a combination of directed acyclic graphs (DAG), a recently developed modeling technique, and cointegrated VAR model. DAG theory and algorithms offer a powerful tool for analyzing contemporaneous causal relationships among economic variables. The results from this study confirm the importance of measures of return to farming, financial (credit market constraints) and/or macroeconomic activity as significant determinants of fluctuations in farmland prices.
Le présent article examine la causalité de façon contemporaine et dynamique pour élucider le manque persistant de consensus quant aux causes de variations du prix des terres. L'analyse est une synthèse des études antérieures de même qu'un prolongement effectuéà l'aide d'une combinaison de graphes acycliques orientés (DAG), technique de modélisation mise au point récemment, et du modèle VAR cointégré. La théorie des DAG et les algorithmes constituent un outil puissant pour analyser les liens causals contemporains des variables économiques. Les résultats confirment l'importance du rendement de l'activité agricole, des contraintes financières (contraintes du crédit) et/ou de l'activité macroéconomique comme déterminants significatifs des variations du prix des terres agricoles.     

Equity Risk and the Labor Stock: The Case of Union Contracts

This paper investigates the role of the stock of unionized labor in determining equity investment risk. I estimate a labor stock measure based on expected compensation costs, and use the ratio of labor stock to total assets as a risk proxy. At the median, the labor stock is comparable in magnitude to total assets. Regression estimates show the associations between labor-based risk proxies and equity market risk measures are both economically and statistically significant. In addition, the labor-based measures provide risk information over and above information contained in standard risk proxies such as financial and operating leverage.     

FOUR PROPOSITIONS ABOUT INTERNATIONAL LABOUR STANDARDS

International labour rights organisations pay considerable attention to the working conditions in less developed countries. For labour rights activists, labour standards such as collective bargaining rights and maternal leave promote economic progress. We argue that this perspective has the causation backwards and that it is economic development that causes the codification of improved working conditions.     

A bargaining perspective on strategic outsourcing and supply competition

This article considers the outsourcing choice of a downstream firm with its own upstream production resources or assets. The novelty of the approach is to consider the outsourced function as involving resources consistent with the resource‐based view of the firm. From a bargaining perspective, we characterize a downstream firm's decision whether to outsource to an independent or to an established upstream firm. In so doing, the downstream firm faces a trade‐off between lower input costs afforded by independent competition, and higher resource value associated with those who can consolidate upstream capabilities. We show that this trade‐off is resolved in favor of outsourcing to an established firm. Copyright © 2008 John Wiley & Sons, Ltd.     

The Economic Impact of AIDS Treatment: Labor Supply in Western Kenya

Using longitudinal survey data collected in collaboration with a treatment program, this paper estimates the economic impacts of antiretroviral treatment. The responses in two outcomes are studied: (1) labor supply of treated adult AIDS patients; and (2) labor supply of individuals in patients' households. Within six months after treatment initiation, there is a 20 percent increase in the likelihood of the patient participating in the labor force and a 35 percent increase in weekly hours worked. Young boys in treated patients' households work significantly less after treatment initiation, while girls and adult household members do not change their labor supply.