Discussion Papers

Discussion Paper No. 495
February 15, 2024

Insourcing Vs Outsourcing in Vertical Structure

Author:

Dongsoo Shin (Santa Clara University)
Roland Strausz (HU Berlin)

Abstract:

We study an agency model with vertical hierarchy---the principal, the prime-agent and the sub-agent. The principal faces a project that needs both agents' services. Due to costly communication, the principal receives a report only from the prime-agent, who receives a report from the sub-agent. The principal can directly incentivize each agent by setting individual transfers (insourcing), or sets only one overall transfer to an independent organization in which the prime-agent hires the sub-agent (outsourcing). We show that insourcing is always optimal when the principal can perfectly process the prime-agent's report. When the principal's information process is limited, however, outsourcing can be the prevailing mode of operation. In addition, insourcing under limited information process is prone to collusion between the agents, whereas no possibility of collusion arises with outsourcing.

Keywords:

information process; sourcing policy; vertical structure;

JEL-Classification:

D86; L23; L25;

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Discussion Paper No. 494
February 13, 2024

Patents, Freedom to Operate, and Follow-on Innovation: Evidence from Post-Grant Opposition

Author:

Fabian Gaessler (University Pompeu Fabra , Barcelona School of Management, Barcelona School of Economics, MPI-IC)
Dietmar Harhoff (MPI-IC, LMU Munich, CEPR)
Stefan Sorg (MPI-IC)
Georg von Graevenitz (Queen Mary University of London)

Abstract:

We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires freedom to operate (FTO), which firms typically obtain through a license from the patentee holding the original innovation. Where licensing fails, follow-on innovation is blocked unless firms gain FTO through patent invalidation. Using large-scale data from post-grant oppositions at the European Patent Office, we find that patent invalidation increases follow-on innovation, measured in citations, by 16% on average. This effect exhibits a U-shape in the value of the original innovation. For patents on low-value original innovations, invalidation predominantly increases low-value followon innovation outside the patentee’s product market. Here, transaction costs likely exceed the joint surplus of licensing, causing licensing failure. In contrast, for patents on high-value original innovations, invalidation mainly increases high-value follow-on innovation in the patentee’s product market. We attribute this latter result to rent dissipation, which renders patentees unwilling to license out valuable technologies to (potential) competitors.

Keywords:

follow-on innovation; freedom to operate; licensing; patents; opposition;

JEL-Classification:

O31; O32; O33; O34;

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Discussion Paper No. 493

Does Online Fundraising Increase Charitable Giving? A Nationwide Field Experiment on Facebook

Author:

Maja Adena (WZB Berlin)
Anselm Hager (HU Berlin)

Abstract:

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure control. We studied changes in the donation revenue and frequency for Save the Children and other charities by postal code. Our geo-randomized design circumvented many difficulties inherent in studies based on click-through data, especially substitution and measurement issues. We found that (i) video fundraising increased donation revenue and frequency to Save the Children during the campaign and in the subsequent five weeks; (ii) the campaign was profitable for the fundraiser; and (iii) the effects were similar independent of video content and impression assignment strategy. However, we also found some crowding out of donations to other similar charities or projects. Finally, we demonstrated that click data may be an inappropriate proxy for donations and recommend that managers use careful experimental designs that can plausibly evaluate the effects of advertising on relevant outcomes.

Keywords:

charitable giving; field experiments; fundraising; social media; competition;

JEL-Classification:

C93; D64; D12;

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Discussion Paper No. 492

Interpersonal Preferences and Team Performance: The Role of Liking in Complex Problem Solving

Author:

Timm Opitz (MPI-IC)

Abstract:

Organizations increasingly rely on teams to solve complex problems. The ability of teams to work well together is critical to their success. I experimentally test whether team performance is affected by whether team members like each other. I find that teams in which partners like each other do not outperform teams in which partners dislike each other. However, teams in which one partner likes the other more than the other perform best. The performance differences result directly from changes in collaborative behavior when learning the team partner's interpersonal preferences, not indirectly from interacting with different individuals. Participants do not anticipate this pattern and expect to be most successful in a team where partners like each other. This provides insights into how teams should be optimally composed, when self-selection may be detrimental to performance, and what information about others' interpersonal preferences should be revealed.

Keywords:

interpersonal preferences; teamwork; liking; complex problem solving; non-routine tasks;

JEL-Classification:

C92; D23; D83; D91;

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Discussion Paper No. 491
January 30, 2024

The Formation of Subjective House Price Expectations

Author:

Sarah Kiesl-Reiter (ifo Institute)
Melanie Lührmann (Royal Holloway, University of London)
Jonathan Shaw (Institute for Fiscal Studies, London)
Joachim Winter (LMU Munich)

Abstract:

Subjective house price expectations drive individual housing choices and market dynamics. We study the formation of subjective expectations about local house prices using novel survey data from Britain, a country with high homeownership rates and widely varying local housing dynamics. There is a substantial and heterogeneous perception gap and individuals extrapolate strongly from perceived but not from realized past price changes. In addition, expectations are predicted by wider, easily observable measures of local economic conditions, especially among individuals with low financial sophistication. Individuals residing in local housing markets where past prices are less informative or less observable rely more strongly on local economic conditions in their belief formation. Our results emphasize the role of heterogeneity in expectations formation processes, and their underlying information set.

Keywords:

subjective expectations; housing markets; local economic conditions;

JEL-Classification:

D12; D84;

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Discussion Paper No. 490
January 15, 2024

Workplace Connections and Labor Migration: The Role of Information in Shaping Expectations

Author:

Michelle Hansch (HU Berlin)
Jan Nimczik (ESMT, RFBerlin, IAB, IZA)
Alexandra Spitz-Oener (HU Berlin, RFBerlin, IAB, IZA)

Abstract:

In a context where improved employment outcomes entail relocating to a new destination, how does information from former coworkers alter workers’ labor migration decisions? We explore this question using the unique backdrop of German reunification in the early 1990s. For former workers of the German Democratic Republic (GDR), improving employment outcomes typically meant relocating to West Germany, which most were reluctant to do. We show that information from former GDR coworkers in West Germany significantly increased the employment probability of East Germans in West Germany. To identify these network effects, we document and exploit that GDR workers were as-good-as randomly assigned to networks by the GDR system from the perspective of the West German market economy. We then establish that the networks only trigger migration responses among East Germans whose contacts had positive work experiences in the West and were similar in their earnings potential in the market-based economy of reunified Germany. These contacts, in essence, serve as role models for the workers’ prospects in the West, leading workers to trust the advice and assessments provided and ultimately altering the expected benefits from labor migration for the specific worker.

Keywords:

JEL-Classification:

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Discussion Paper No. 489
December 29, 2023

How to Increase Public Support for Carbon Pricing

Author:

Andrej Woerner (LMU Munich)
Taisuke Imai (University of Osaka)
Davide Pace (LMU Munich)
Klaus Schmidt (LMU Munich)

Abstract:

The public acceptability of a carbon price depends on how the revenues from carbon pricing are used. In a fully incentivised experiment with a large representative sample of the German population, we compare five different revenue recycling schemes and show that support for a carbon price is maximised by a “Climate Premium” that pays a fixed, uniform, upfront payment to each person. This recycling scheme receives more support than tax and dividend schemes, than using revenues for the general budget of the government, and than earmarking revenues for environmental projects. Furthermore, we show that participants and experts underestimate the public support for carbon pricing.

Keywords:

carbon pricing; pigovian taxation; political support for carbon taxes; survey experiments;

JEL-Classification:

H23; P18; C9; D9;

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Discussion Paper No. 488
December 20, 2023

Automatability of Occupations, Workers' Labor-market Expectations, and Willingness to Train

Author:

Philipp Lergetporer (TU München)
Katharina Wedel (ifo Institut)
Katharina Werner (ifo Institut)

Abstract:

We study how beliefs about the automatability of workers' occupation affect labor-market expectations and willingness to participate in further training. In our representative online survey, respondents on average underestimate the automation risk of their occupation, especially those in high-automatability occupations. Randomized information about their occupations’ automatability increases respondents’ concerns about their professional future, and expectations about future changes in their work environment. The information also increases willingness to participate in further training, especially among respondents in highly automatable occupation (+five percentage points). This uptick substantially narrows the gap in willingness to train between those in high- and low-automatability occupations.

Keywords:

automation; further training; labor-market expectations; survey experiment; information;

JEL-Classification:

J24; O33; I29; D83;

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Discussion Paper No. 487

More than Joints: Multi-Substance Use, Choice Limitations, and Policy Implications

Author:

Michelle Sovinsky (University of Mannheim)
Liana Jacobi (University of Melbourne)
Alessandra Allocca (LMU Munich)
Tao Sun (University of Melbourne)

Abstract:

As illicit substances move into the legal product space, substitution patterns with legal products become more salient. In particular, marijuana legalization may have implications for the use of other legal “sin” goods. We estimate a structural model of multi-product use of illegal and legal substances considering joint use, limited access to illicit products, and persistence in use. We focus on a young person’s choice to consume marijuana, alcohol or cigarettes (and possible combinations), and we find that sin goods are complements. Furthermore, our findings emphasize the necessity of accounting for joint consumption and access to obtain correct price sensitivity estimates. Post-legalization, youth marijuana use would increase from 25% to 37%. However, counterfactual results show that a combination of (reasonable) tax increases on all goods along with enforcement against illegal use can potentially revert use to pre-legalization levels. The earlier the tax increases are implemented the more effective they are at curbing future use. Our results inform the policy debate regarding the impact of marijuana legalization on the long-term use of sin goods.

Keywords:

complementarity, marijuana legalization, limited choice sets, data restrictions, discrete choice models; marijuana legalization; limited choice sets; data restrictions; discrete choice models;

JEL-Classification:

C11; D12; L15; K42; H02; L66; C35;

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Discussion Paper No. 486

Self-control and Performance while Working from Home

Author:

Julia Baumann (Wirtschaftszentrum Berlin für Sozialforschung)
Anastasia Danilov (HU Berlin)
Olga Stavrova (Universität Lübeck)

Abstract:

This study explores the role of trait self-control in individuals’ changes in performance and well-being when working from home (WFH). In a three-wave longitudinal study with UK workers in the midst of the COVID-19 pandemic, we find that low self-control workers experienced a significant positive adjustment to WFH over time: The number of reported work distractions decreased, and self-assessed performance increased over the period of four months. In contrast, high self-control individuals did not show a similar upward trajectory. Despite the positive adjustment of low self-control individuals over time, on average, self-control was still positively associated with performance and negatively associated with work distractions. However, trait self-control was not consistently associated with changes in well-being. These findings provide a more nuanced view on trait self-control, suggesting that low self-control individuals can improve initial performance over time when working from home.

Keywords:

self-control; working from home; productivity;

JEL-Classification:

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