1. ZEW Discussion Paper No. 23-003 // 2023

    Can Social Comparisons and Moral Appeals Increase Public Transport Ridership and Decrease Car Use?

    In a field experiment with 341 participants, we study whether social comparisons, either in isolation or in combination with a climate-related moral appeal, can change the use of public and car-related…

  2. ZEW Monthly // 2023

    01/2023

    The crises of recent years have produced important innovations in European monetary and fiscal policy. The ECB has greatly expanded its purchases of government bonds and the EU is financing budgetary spending…

  3. ZEW Discussion Paper No. 23-002 // 2023

    Public Procurement as an Innovation Policy: Where Do We Stand?

    Economics and innovation scholars have long recognized the potential of public procurement to trigger innovation. To what extent has this potential been realized so far? What can be done to improve the…

  4. ZEW Discussion Paper No. 23-001 // 2023

    The SearchEngine: A Holistic Approach to Matching

    The SearchEngine is an open source project providing an integrated framework for diverse matching activities, especially the linkage of large scale firm data by fuzzy criteria like company names and addresses.…

  5. Discussion and Working Paper // 2023

    What Are the Priorities of Bureaucrats? Evidence from Conjoint Experiments with Procurement Officials

    While effective bureaucracy is crucial for state capacity, its decision-making remains a black box. We elicit preferences of 900+ real-world public procurement officials in Finland and Germany. This is an…