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Diskussionspapiere 1894 / 2020

Learning from Data and Network Effects: The Example of Internet Search

The rise of dominant firms in data driven industries is often credited to their alleged data advantage. Empirical evidence lending support to this conjecture is surprisingly scarce. In this paper we document that data as an input into machine learning tasks display features that support the claim of data being a source of market power. We study how data on keywords improve the search result quality ...

2020| Maximilian Schäfer, Geza Sapi
Diskussionspapiere 1890 / 2020

Airbnb and Rents: Evidence from Berlin

Cities worldwide have regulated peer-to-peer short-term rental platforms claiming that those platforms remove apartments from the long-term housing market, causing an in- crease in rents. Establishing and quantifying such a causal link is, however, challenging. We investigate two policy changes in Berlin to first assess how effective they were in regulating Airbnb, the largest online peer-to-peer short-term ...

2020| Tomaso Duso, Claus Michelsen, Maximilian Schäfer, Kevin Ducbao Tran
Diskussionspapiere 1889 / 2020

Airbnb, Hotels, and Localized Competition

The rise of online platforms has disrupted numerous traditional industries. A prime example is the short-term accommodation platform Airbnb and how it affects the hotel industry. On the one hand, consumers can profit from Airbnb due to an increased number of choices and lower prices. On the other hand, critics of the platform argue that it allows professional hosts to operate de facto hotels while ...

2020| Maximilian Schäfer, Kevin Ducbao Tran
Diskussionspapiere 1730 / 2018

The Effect of Big Data on Recommendation Quality: The Example of Internet Search

Are there economies of scale to data in internet search? This paper is first to use real search engine query logs to empirically investigate how data drives the quality of internet search results. We find evidence that the quality of search results improve with more data on previous searches. Moreover, our results indicate that the type of data matters as well: personalized information is particularly ...

2018| Maximilian Schäfer, Geza Sapi, Szabolcs Lorincz
Monographien

Four Essays on the Economics of Digitization

Der technische Fortschritt in den Informationstechnologien eröffnet beispiellose wirtschaftliche Möglichkeiten. Durch eine drastische Reduzierung der Kosten dieser Technologien ist es heute so einfach wie noch nie, Informationen und Wissen zu akquirieren, zu kommunizieren und Produkte und Dienstleistungen zu handeln. Die damit einhergehende Umwälzung der Wirtschaft wirft zahlreiche ökonomische Fragestellungen ...

Berlin: TU Berlin, 2020, XIV, 159 S.
Monographien

The Effect of Big Data on Recommendation Quality: The Example of Internet Search

Are there economies of scale to data in internet search? This paper is first to use real search engine query logs to empirically investigate how data drives the quality of internet search results. We find evidence that the quality of search results improve with more data on previous searches. Moreover, our results indicate that the type of data matters as well: personalized information is particularly ...

Düsseldorf: Düsseldorf Institute for Competition Economics, 2018, 44 S.
(DICE Discussion Paper ; 284)
| Maximilian Schäfer, Geza Sapi, Szabolcs Lorincz
6 results, from 1