ECONOMIC INCENTIVES AND HOSPITALIZATION IN GERMANY

The dramatically rising health expenditures have become a matter of prime concern. Using a rich panel dataset this paper contributes to this debate by investigating factors determining the demand for hospitalization in Germany. While most previous studies have found a significant impact of social insurance on the demand for hospital trips, the empirical results presented here cast doubts on the role of those economic incentives. There are also important differences in the hospitalization behaviour of men and women, and between the full sample and those with chronic conditions, which have been neglected by the literature. © 1997 John Wiley & Sons, Ltd.     

MARKETS VS. MANAGEMENT: WHAT ‘DRIVES’ PROFITABILITY?

This study addresses the issue of the relative degree of variance in ROA accounted for by industry, corporate, and SBU effects while controlling for the business cycle and the interaction between the business cycle and industry. Two key articles, Schmalensee (1985) and Rumelt (1991), are discussed in detail. Research results on a recent data base (COMPUSTAT), using variance components analysis (VARCOMP) are presented that not only confirm most of the Rumelt (1991) findings, but also suggest the existence of a corporate effect, heretofore undetected.     

Multi-Product Firms and Flexible Manufacturing in the Global Economy

We present a new model of multi-product firms (MPFs) and flexible manufacturing, and explore its implications in partial and general oligopolistic equilibrium. Globalization affects the scale and scope (or intensive margin and intra-firm extensive margin) of MPFs through a competition effect and a demand effect. The model highlights a new source of gains from trade: productivity increases as firms become "leaner and meaner", concentrating on their core competence; but also a new source of losses from trade: product variety may fall. Our results also hold under free entry, which allows in addition for adjustment along the traditional inter-firm extensive margin.     

Strategic Consumption Complementarities: Can Price Flexibility Eliminate Inefficiencies and Instability?

Generally, two facts occur with strategic complementarities and fixed prices: (i) the equilibria are multiple and (ii) if the complementarities are strong, the law of demand is violated and the equilibrium is unstable. In this paper, we analyse the effect of price flexibility on these features as well as on market welfare properties. Assuming an exchange economy with H agents consuming two goods with one strategic complement, we show that flexibility of prices may remove both the multiplicity of the equilibria and the instability of behavior when the externalities are strong. Moreover, we find conditions to correct instability when it is caused by perverse wealth effects. When preferences are quasilinear and identical, if the externality is beneficial, any equilibrium is Pareto optimal despite the externality. But if the externality is detrimental, corrections are required.     

Dissecting Earnings Recognition Timeliness

We dissect the portion of stock price change of the fiscal year that is recognized in reported accounting earnings of the year. We call this portion earnings recognition timeliness (ERT). The emphasis in our dissection is on empirical identification of two fundamental precepts of financial accounting: (1) the matching principle, which is manifested in the recognition of expenses in the same period as the related benefits (i.e., sales revenue) accrue; and (2) recognition of expenses in the current period due to changes in expectations regarding earnings of future periods (we refer to these expenses as the expectations element of expenses). Although the expectations element has implicitly been at the core of much of the recent empirical literature on asymmetry in the earnings/return relation, it has not been explicitly identified. This recent literature is based on the premise that bad news about the future leads to more recognition of expenses in the current period (such as write‐downs) whereas good news about the future tends to have a much lesser effect on expenses of the current period; asymmetry in the expenses/return relation is captured implicitly via the observation of asymmetry in the earnings/return relation (i.e., asymmetry in ERT). Since the ERT reflects the relation between sales revenue and returns, matched expenses and returns, as well as the relation between the expectations element of expenses and returns, a focus on the expectations element may lead to sharper inferences. Our straightforward empirical procedure permits a focus on this element.     

Bargaining by Limiting Cooperation: Withholding Consent for the Level of a Public Good

This paper analyzes how the ability to limit cooperation influences the outcome of complete information bargaining between two players. When cooperation involves prompt resolution of a conflict, as in alternating-offer games and wars-of-attrition, the solutions equate the marginal rates of substitution between earlier resolution and more private goods. When cooperation involves consent for the level of a public good, the outcome again equates the marginal rates of substitution between greater cooperation (more public good) and more private goods (lower cost shares). Here, the equilibrium consists of balanced linear cost shares given by the ratio of marginal-willingness-to-pay to marginal cost.     

Aversive Workplace Conditions and Employee Grievance Filing: The Moderating Effects of Gender and Ethnicity

Studies examining the direct effects of employee demographic differences on grievance filing have yielded mixed results. Moreover, little is known regarding the possible moderating effect that such differences might have on the link between workplace adversity and grievance filing. Using a sample of 866 blue‐collar workers drawn from four unions, we examine the potential moderating effects of gender and race/ethnicity. Our findings suggest that while gender and ethnicity are not significantly associated with perceptions of workplace adversity, grievance filing in response to certain forms of adversity is amplified among women (as compared to men) and among African Americans and Hispanics (as compared to whites). The meaning and implications of these findings are discussed.     

Men, Women and the Hiring Function

This paper examines the idea of ranking of groups and genders of unemployed labour force participants in terms of their hiring probabilities.We find a clear ranking of men over women in the hiring process in Australia. We also find that amongst males, employed job seekers are ranked above those unemployed and, in turn, above those not in the labour force. For women, the unemployed and employed are not found to be competing with each other, whilst those not in the labour force are ranked below the unemployed.     

Presidential Address: Collateral and Commitment

Optimal dynamic capital structure choice is fundamentally a problem of commitment. In a standard trade‐off setting with shareholder‐debtholder agency conflicts, full commitment counterfactually predicts the firm would rely almost exclusively on debt financing. Conversely, absent commitment a Modigliani‐Miller‐like value irrelevance and policy indeterminacy result holds. Thus, the content of dynamic trade‐off theory must depend on the commitment technology. In this context, collateral is valuable as a low‐cost commitment device. Because ex ante optimal commitments are likely to be suboptimal ex post, observed capital structure dynamics will exhibit hysteresis and depart significantly from standard predictions.