We study the impact of the implementation of Apple's App Tracking Transparency (ATT) framework on the Apple App Store ecosystem. We use comprehensive data on every app available in both the Apple App Store and Google Play Store ecosystems in the eighteen-month period around the implementation of...

Platforms may give preferential treatment to their own products in search results. Whether and how to regulate this self-preferencing behavior is an intensely debated antitrust issue. This paper identifies self-preferencing and quantifies its equilibrium welfare effects in Apple App Store. I...

A service provider firm in an outsourcing relationship is distinct from a typical firm because it is not a stand alone organization and fits somewhere in between the value chain of its client's business. Thus, conventional factors like wages, capital, rent, energy consumption cannot...

Information asymmetries can prevent markets from operating efficiently. An important example is the labor market, where employers face uncertainty about the productivity of job candidates. We examine theoretically and with laboratory experiments three key questions related to hiring via...

We run an online experiment to study the origins of algorithm aversion. Participants are either in the role of workers or of managers. Workers perform three real-effort tasks: task 1, task 2, and the job task which is a combination of tasks 1 and 2. They choose whether the hiring decision...

The effects of performance pay in routine, easy to measure tasks are well-documented, but they are much less understood in knowledge creation. This paper studies the effects of explicit and implicit, career concerns incentives common in knowledge work in a multitasking model, and estimates their...

We analyze whether second generation immigrants have different political preferences relative to observationally identical host country’s citizens. Using data on individual voting behavior in 22 European countries between 2001 and 2017 we characterize each vote on a left-right scale using...

This paper presents a new set of stylized facts about the global variation in universalism, leveraging hypothetical money allocation tasks deployed in representative samples of 64,000 people from 60 countries. Our data reveal large variation in universalism within and across countries, which...

This paper investigates the macroeconomic projections of the German government since the 1970s and compares it those of the Joint Economic Forecast, which is an in-dependent forecasting institution in Germany. Our results indicate that nominal GDP projections are upward biased for longer...