1. Discussion and Working Paper // 2017

    Forecasting the distributions of hourly electricity spot prices - Accounting for serial correlation patterns and non-normality of price distributions

    We present a stochastic modelling approach to describe the dynamics of hourly electricity prices. The suggested methodology is a stepwise combination of several mathematical operations to adequately characterize…

  2. ZEW Discussion Paper No. 17-048 // 2017

    Rising Wage Inequality in Germany: Increasing Heterogeneity and Changing Selection into Full-Time Work

    This study revisits the increase in wage inequality in Germany. Accounting for changes in various sets of observables, composition changes explain a large part of the increase in wage inequality among full-time…

  3. ZEW Discussion Paper No. 17-047 // 2017

    Gender Wage Discrimination and Trade Openness. Prejudiced Employers in an Open Industry

    I introduce taste-based discrimination in a trade model with imperfect competition and provide an explanation for the heterogeneous effects of international trade on the gender wage gap within sectors. Firms…

  4. ZEW Discussion Paper No. 17-046 // 2017

    Tax Incentives for Research and Development and Their Use in Tax Planning

    This study provides a comprehensive analysis of various aspects of R&D tax incentives. It explains the economic justification behind the state support of research and development and summarizes its main types.…

  5. ZEW Discussion Paper No. 17-045 // 2017

    Tax Morale and the Role of Social Norms and Reciprocity. Evidence from a Randomized Survey Experiment

    We present the first randomized survey experiment in the context of tax compliance to assess the role of social norms and reciprocity for intrinsic tax morale. We find that participants in a reciprocity…

  6. ZEW Discussion Paper No. 17-044 // 2017

    Energy Transition in Germany and Regional Spillovers: What Triggers the Diffusion of Renewable Energy in Firms?

    The success of an energy turnaround towards renewables highly depends on the willingness and ability of firms to adopt energy technologies using renewable sources. Existing studies focused on the role of…