Conference Agenda
Overview and details of the sessions of this conference.
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Some information on the session logistics:
If not stated otherwise, the discussant is the following speaker, with the first speaker being the discussant of the last paper. The last speaker of each session is the session chair. (Exception: invited sessions)
Presenters should speak for no more than 20 minutes, and discussants should limit their remarks to no more than 5 minutes. The remaining time should be reserved for audience questions and the presenter’s responses. We suggest following these guidelines also in the (less common) 3-paper sessions in a 2-hour slot, to allow participants to move between sessions. Discussants are encouraged to avoid summarizing the paper. By focusing on a few questions and comments, the discussants can help start a broader discussion with the audience.
Only registered participants can attend this conference. Further information available on the congress website https://www.iseg.ulisboa.pt/en/event/iipf/ .
Venue address: ISEG - Lisbon School of Economics & Management, R. Francesinhas 21, 1200-675 Lisboa, Portugal
Please note that all times are shown in the time zone of the conference. The current conference time is: 17th Sept 2026, 11:38:04am WEST
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Daily Overview |
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B13: Family Structure, Children, and Household Resources Location: Room 114 (Francesinhas 1) | |
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How New Half-Siblings Affect Non-Resident Child Support – Evidence from German Taxpayer Data 1: Fraunhofer Institute for Applied Information Technology FIT, Germany; 2: Leuphana Universität Lüneburg The present study explores the impact of the birth of half-siblings in stepfamilies on the likelihood of child support payments by non-resident parents for children residing in these families. In particular, we focus on married stepfamilies that cannot receive assistance from state child support enforcement agencies. This setting provides an intriguing environment to study non-resident parents’ behavior in the absence of state involvement. We use German administrative tax data from 2010 to 2020 and an event-study approach that exploits variation in births within stepfamilies over time. The results show that the arrival of a new child increases the likelihood that non-resident parents fulfill their child support obligations by approximately 4.9 percentage points (18.2%) in the same year. This effect persists for the subsequent two years before becoming insignificant. Overall, the findings suggest that compliance with child support obligations varies within this institutional environment.
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