The health costs of in-person schooling during the pandemic, if any, fall primarily on the families of students, largely due to the fact that students significantly outnumber teachers. Data from North Carolina, Wisconsin, Australia, England, and Israel covering almost 80 million person-days in...

The assignment of rolling stock units to timetable services in passenger railways is an important optimization problem that has been addressed by many papers in different forms. Solution approaches have been proposed for different planning phases: strategic, tactical, and also operational...

This paper presents and compares several time-series models for returns of broadbased stock indices. These models nest a nonlinear asymmetric GARCH (NGARCH) model as a special case. Some of these models are empirically motivated ad-hoc specifications others are derived from a representative...

A model is presented for simulating the tax burden on highly skilled manpower. The effective average tax rate, defined as the relative wedge between total remuneration and disposable income, is computed. Income and payroll taxes and social security contributions not yielding an equivalent...

The study provides evidence for the rationale of wage rigidity in Germany compared to the United States. Based on a survey of 801 firms, we extend the study of Campbell and Kanlani (1997, this journal) by using more thorough econometric methods, for example, and find strong support for...