Learning, hubris and corporate serial acquisitions

Recent empirical research has shown that, from deal to deal, serial acquirers' cumulative abnormal returns (CAR) are declining. This has been most often attributed to CEOs hubris. We question this interpretation. Our theoretical analysis shows that (i) a declining CAR from deal to deal is not sufficient to reveal the presence of hubris, (ii) if CEOs are learning, economically motivated and rational, a declining CAR from deal to deal should be observed, (iii) predictions can be derived about the impact of learning and hubris on the time between successive deals and, finally, (iv) predictions about the CAR and about the time between successive deal trends lead to testable empirical hypotheses.     

Handling Missing Data by Re-approaching Non-respondents

When handling missing data, a researcher should be aware of the mechanism underlying the missingness. In the presence of non-randomly missing data, a model of the missing data mechanism should be included in the analyses to prevent the analyses based on the data from becoming biased. Modeling the missing data mechanism, however, is a difficult task. One way in which knowledge about the missing data mechanism may be obtained is by collecting additional data from non-respondents. In this paper the method of re-approaching respondents who did not answer all questions of a questionnaire is described. New answers were obtained from a sample of these non-respondents and the reason(s) for skipping questions was (were) probed for. The additional data resulted in a larger sample and was used to investigate the differences between respondents and non-respondents, whereas probing for the causes of missingness resulted in more knowledge about the nature of the missing data patterns.     

ATKINSON AND BOURGUIGNON'S DOMINANCE CRITERIA: EXTENDED AND APPLIED TO THE MEASUREMENT OF POVERTY IN FRANCE

We demonstrate that the criteria put forward by Atkinson and Bourguignon (1987) can be satisfactorily applied to the analysis of poverty even when the demographic composition of society and the definition of poverty change over time. We show that they provide both sufficient and necessary conditions for any robust conclusions concerning the changes in welfare and poverty. We apply these criteria to a set of data tracking annual income distribution movements in France from 1977 to 1994. The Atkinson and Bourguignon criteria posit that recent changes in poverty are a function of macroeconomic fluctuations in activity.     

Homeownership and Child Welfare

Recent studies have concluded that homeownership is beneficial to children. This result is important because it is used to justify large government subsidies that encourage homeownership. We reexamine the results of two of the most prominent of these studies using the Panel Study of Income Dynamics, Public Use Microsample, and National Longitudinal Survey of Youth data. We extend this research by controlling for residential mobility, wealth, dwelling type and vehicle ownership, as well as by using a "differences in differences" methodology to deal with possible treatment effects bias. We find that the beneficial effects of homeownership previously measured are substantially reduced or eliminated by controlling for these factors. We confirm these results using data from the Early Childhood Longitudinal Study.     

AN ARBITRAGE PRICING APPROACH TO EVALUATING MUTUAL FUND PERFORMANCE

A test procedure, derived from arbitrage pricing theory, that permits the measurement of the security selection performance of professional portfolio managers is developed and applied to a sample of mutual funds over the period of the 1970's. The evidence indicates that more than one factor was present in the market during that interval as a systematic influence on the profile of securities returns. Consistent with prior studies, the evidence also suggests that mutual fund portfolios did not outperform a passive buy-and-hold investment strategy. A comparative analysis of the same data, using performance measures based on the single-factor market model, produces similar but less powerful results, both in the aggregate and at the individual fund level.     

The Mystery of the Missing Sovereign Debt Restructuring Mechanism

The absence of a formal international regulatory mechanism tofacilitate sovereign debt restructuring has long been recognizedas a most serious gap in the architecture of global finance.Why has it proven so difficult to create such a sovereign debtrestructuring mechanism (SDRM) at the international level? Politicaleconomists have devoted relatively little scholarly attentionto this question. This paper attempts to begin to fill thisgap in the literature by examining four failed initiatives tocreate a SDRM over the past century. In place of a realist orstructural Marxist account, the paper puts forward a more contingentexplanation for these failures that highlights three distinctpolitical problems that must be overcome in the constructionof a SDRM: (1) collective action problems on both the side ofsovereign debtors and that of private foreign creditors; (2)basic distributional conflicts embodied in any debt restructuringeffort; and (3) the uncertain behavior of the private creditors'home states.     

RESIDENTIAL MOBILITY AND HOUSING TAX REFORMS: Some Empirical Evidence*

The efficiency and equity implications of mortgage interest deductibility have been studied by a number of authors using models of housing demand that do not account for barriers to residential mobility. This paper examines how one's assessment of that proposed tax reform may differ based on models that do allow for such barriers, using data from Toronto, Canada. We find that earlier works tend to overstate the deadweight loss attributable to the introduction of mortgage interest deductibility, particularly in the short run.