70 Discussion Papers

• 25-052/VII - The Ransomware Pricing Paradox: An Empirical Study of the Six Stages of Ransomware Negotiations

  Authors: Tom Meurs, Dutch Police; Anna Cartwright, Independent researcher; Edward Cartwright, De Montfort University; Harold Houba, Vrije Universiteit Amsterdam; Daniel Woods, University of Edinburgh

  Date: September 19, 2025

• 25-051/III - An Impartial Look at Asset Correlation Stability and Market Structure

  Authors: Etienne Wijler, Vrije Universiteit Amsterdam; Andre Lucas, Vrije Universiteit Amsterdam

  Date: September 19, 2025

• 25-050/II - The Consistency Principle in the Reordering Problem

  Authors: Min-Hung Tsay, Academia Sinica; Youngsub Chun, Seoul National University; Rene van den Brink, Vrije Universiteit Amsterdam; Chun-Hsien Yeh, Academia Sinica

  Date: September 19, 2025

• 25-049/I - How teams overcome free-riding in strategic experimentation

  Author: Katharina Brütt, Vrije Universiteit Amsterdam

  Date: August 29, 2025

• 25-048/III - More information, less precision: meta-analysis through random effects

  Authors: Jan Magnus, Vrije Universiteit Amsterdam; Andrey L. Vasnev, University of Sydney

  Date: August 22, 2025

• 25-047/II - Reconciling marginalism with the core in two-sided markets with money

  Authors: Rene van den Brink, Vrije Universiteit Amsterdam; Marina Nunez, Universitat de Barcelona; Francisco Robles, Universitat de Barcelona; Laura Robles, AlixPartners

  Date: August 22, 2025

• 25-046/VII - Vertical Integration in Auction Markets

  Authors: Sander Onderstal, University of Amsterdam; Ruben van Oosten, University of Amsterdam

  Date: August 22, 2025

• 25-045/III - A General Randomized Test for Alpha

  Authors: Daniele Massacci, King's College London; Lucio Sarno, University of Cambridge; Lorenzo Trapani, University of Pavia; Pierluigi Vallarino, Erasmus University Rotterdam

  Date: July 25, 2025

• 25-044/V - Reaching Marginalized Job Seekers through Public Employment Services: Experimental Evidence from Ethiopia

  Authors: Marc Witte, Vrije Universiteit Amsterdam; Johanna Roth, Sciences Po; Morgan Hardy, New York University Abu Dhabi; Christian Meyer, University of Oxford

  Date: July 25, 2025

• 25-043/VI - Should Carbon taxes be Pre-announced? On Irreversible Investment, Real Options and Carbon Taxes

  Author: Sweder van Wijnbergen, University of Amsterdam

  Date: July 25, 2025

• 25-042/III - Matrix-Valued Spatial Autoregressions with Dynamic and Robust Heterogeneous Spillovers

  Authors: Yicong Lin, Vrije Universiteit Amsterdam; André Lucas, Vrije Universiteit Amsterdam; Shiqi Ye, AMSS Center for Forecasting Science

  Date: July 04, 2025

• 25-041/III - Revisiting EWMA in High-Frequency Portfolio Optimization: A Comparative Assessment

  Authors: Laura Capera Romero, Vrije Universiteit Amsterdam; Anne Opschoor, Vrije Universiteit Amsterdam

  Date: June 26, 2025

• 25-040/IV - Sinking Land, Sinking Prices? Land Subsidence, Flood Risk, and Property Prices

  Authors: Lukas Hofmann, University of Amserdam; Martijn Dröes, University of Amserdam; Marc Francke, University of Amserdam

  Date: June 26, 2025

• 25-039/III - Conditional Fat Tails and Scale Dynamics for Intraday Discrete Price Changes

  Authors: Daan Schoemaker, Vrije Universiteit Amsterdam; André Lucas, Vrije Universiteit Amsterdam; Anne Opschoor, Vrije Universiteit Amsterdam

  Date: June 26, 2025

• 25-038/II - Efficient Information Aggregation: Optimal Structure of Signal Network

  Authors: Bernd Heidergott, Vrije Universiteit Amsterdam; Frank den Hollander, Leiden University; Ines Lindner, Vrije Universiteit Amsterdam; Azadeh Parvaneh, Leiden University

  Date: May 30, 2025

• 25-037/III - Measuring and Explaining the CDS-Bond Basis Term-Structure Shape and Dynamics

  Authors: Yonas Khanna, ING Bank; Andre Lucas, Vrije Universiteit Amsterdam; Norman Seeger, Vrije Universiteit Amsterdam

  Date: May 30, 2025

• 25-036/III - Improving Score-Driven Density Forecasts with an Application to Implied Volatility Surface Dynamics

  Authors: Xia Zou, Vrije Universiteit Amsterdam; Yicong Lin, Vrije Universiteit Amsterdam; Andre Lucas, Vrije Universiteit Amsterdam

  Date: May 30, 2025

• 25-035/I - Economic preferences, personality, and voting

  Author: Thomas Buser, University of Amsterdam

  Date: May 16, 2025

• 25-034/III - Simulation Smoothing for State Space Models: An Extremum Monte Carlo Approach

  Author: Karim Moussa, Vrije Universiteit Amsterdam

  Date: May 16, 2025

• 25-033/VIII - Timing is Everything: Labor Market Winners and Losers during Boom-Bust Cycles

  Authors: Erik Katovich, University of Connecticut; Dominic Parker, University of Wisconsin-Madison; Steven Poelhekke, Vrije Universiteit Amsterdam

  Date: May 16, 2025