1. ZEW Discussion Paper No. 11-013 // 2011

    Combined Stochastic and Rule-based Approach to Improve Regression Models with Mismeasured Monotonic Covariates Without Side Information

    The education variable in the IAB datasets suffers from problems like missing and misclassified values. The data problems do not occur randomly, but are highly associated with other variables from the dataset.…

  2. ZEW Discussion Paper No. 11-012 // 2011

    International Diversification with Securitized Real Estate and the Veiling Glare from Currency Risk

    Do investments in international securitized real estate markets make a statistically significant contribution to an internationally diversified mixed-asset portfolio, and does currency risk exposure have an…

  3. ZEW Discussion Paper No. 11-011 // 2011

    Can Regional Transfers Buy Public Support? Evidence from EU Structural Policy

    The theoretical literature suggests that upper-tier governments have an incentive to strategically allocate regional transfers in order to affect the electorate's opinion. This implies that citizens in targeted…

  4. ZEW Discussion Paper No. 11-010 // 2011

    R&D Collaboration with Uncertain Intellectual Property Rights

    Research and development (R&D) collaborations allow firms to combine their resources, exploit complementary know-how and internalize R&D externalities. Hence, R&D collaborations may spur innovation activities in…

  5. ZEW Discussion Paper No. 11-009 // 2011

    Delay and Secrecy: Does Industry Sponsorship Jeopardize Disclosure of Academic Research?

    It has almost become conventional wisdom that the viability of modern open science norms and practices depends on public disclosure of new knowledge, methods, and materials. At the same time, long-run trends…

  6. ZEW Discussion Paper No. 11-008 // 2011

    Orphans at Risk in Sub-Saharan Africa: Evidence on Educational and Health Outcomes

    Mortality rates among prime-age adults are dramatically high in many sub-Saharan African countries, and, as a consequence, the number of orphaned children is high and increasing. In this paper, we identify the…