Evidence on agglomeration economies,diseconomies, and growth

Conventional urban economic analysis suggests that a local economy's size is closely related to a number of features, including levels of human capital and the availability of specialized inputs, which are likely to influence positively the rate at which it accumulates further economic activity. At the same time, urban theory also suggests that once cities reach a certain level of size, these agglomeration benefits begin to peter out, while diseconomies rise rapidly. Consequently, we should see an ‘inverted U‐shaped’ pattern of growth with respect to economic size—rates of growth first rise, then fall as size increases. This paper shows that, while such a pattern is largely absent from recent data on growth in metropolitan area population and employment, it emerges strikingly in county‐level data. Copyright © 2002 John Wiley & Sons, Ltd.     

The teaching of ethics in management accounting: progress and prospects

Recent research has shown that, although still on a limited scale, the teaching of business ethics in UK higher education has been increasing in recent years. This paper reports on a postal questionnaire survey conducted to investigate the extent to which ethical issues are covered in the teaching of management accounting in higher education. The principal findings are that the majority of management accounting lecturers in the British Isles do not incorporate ethics. About a third of the respondents to the survey do address ethical issues, although about half of those say they do so only implicitly. Various factors underlying the findings and prospects for the future are discussed.     

Medical Malpractice Liability and Physician Migration

This paper uses national data on individual physicians and two control groups to provide evidence on the extent to which each of five medical malpractice reforms impacts the decision to move one's medical practice to another state. We find robust evidence that states that have implemented noneconomic damage caps experience less out-migration of physicians than states that do not have these reforms. In addition, we find some evidence that joint and several liability reforms and patient compensation funds also impact the migration decisions of physicians.     

黑天鹅未现，油市勿慌

市场正在评估两种对立的尾部风险：日本灾后需求下降,以及利比亚禁飞区和沙特阿拉伯军队进入巴林,这让各地的油市交易人员晕头转向。不过在未知事件发生前,供应相对充足的石油料将打压布伦特原油价格,最终跌至100美元下方。     

Sample attrition in the RLMS, 2001–10

The data of the Russian Longitudinal Monitoring Survey (RLMS) – Higher School of Economics represents one of the few nationally representative sources of household and individual data for Russia. These data have been collected since 1992 and in recent years, thanks to more secure financial and logistical support, have become a resource increasingly drawn upon by scholars and students for national and cross-national studies. In this paper, we examine the extent of non-random attrition in the RLMS and discuss the circumstances under which this might give rise to biases in econometric analysis. We illustrate this with an example drawn from the health sphere.     

The Impacts of Promotions/Marketing, Scheduling, and Economic Factors on Total Gross Revenues for Minor League Baseball Teams

The purpose of this empirical study is to identify the key marketing and scheduling determinants of game attendance at minor league baseball games. Identification of such marketing and scheduling factors can provide the management of minor league teams in similar environments with information to more efficiently pursue the goal of game attendance maximization. To ensure greater comparability of data between teams and hence relevance of results, this study focuses upon a single grouping of teams, the Carolina League, and a single minor league baseball season, 2006. The Carolina League consists of eight teams serving eight metropolitan areas: Lynchburg City, VA; Winston-Salem, NC; Wilmington, DE; Salem City, VA; Myrtle Beach, SC; Prince William County, VA; Lenoir City, NC; and Frederick County, MD.     

INSURANCE‐INDUCED MORAL HAZARD: A DYNAMIC MODEL OF WITHIN‐YEAR MEDICAL CARE DECISION MAKING UNDER UNCERTAINTY

This study quantifies the moral hazard effect of health insurance on medical expenditure by estimating a dynamic model of within‐year medical care consumption that allows for insurance selection, endogenous health transitions, and individual uncertainty about medical care prices in an environment where insurance has nonlinear cost‐sharing features. The results suggest that moral hazard accounts for 53.1%, on average, of total annual medical expenditure when insured. This estimate is significantly different, and generally larger, than that produced by an alternative model that is representative of the annual medical care decision‐making models commonly found in the literature.     

Can Employees Be Used to Overcome Independent Audit Limitations?

Independent financial statement auditors are appointed by shareholders to provide reasonable assurance on the reliability of financial statements published by management of reporting entities. However, in the last two decades questions have been raised concerning the credibility of external audits due to their apparent failure, especially following the spate of corporate collapses. This paper applies a critical review of literature and a multi‐theoretical governance perspective to examine the inherent limitation of independent external audits and argues that employees can contribute to reducing the limitation gap by strengthening governance through a structure that incorporates a board and employee management representation. It is argued that through this arrangement, auditors can benefit as they will be privy to additional information from employees about issues such as irregular matters that impact upon shareholders and other stakeholders, and control weaknesses across governance levels, allowing auditors to establish a broader understanding of organisational information that may otherwise be less readily available. Thus auditors can base their judgements in terms of audit risks, and develop audit plans based on more reliable information. The theoretical proposition emerging from these findings is that the traditional governance model should be refined to include employees as an additional component of governance.