Georg Götz
YOU?
Author Swipe
Do pay-as-bid auctions favor collusion? - Evidence from Germany’s market for reserve power Open
We analyze a drastic price increase in the German auction market for reserve power, which did not appear to be driven by increased costs. Studying the market structure and individual bidding strategies, we find evidence for collusive behav…
Biased Quality Investments and Organisational Structures in Network Industries – An Application to the Railway Industry Open
This paper analyses the incentives to upgrade input quality in vertically related (network) industries. Upstream investments have a biased effect on the downstream companies and lead to vertical product differentiation. Different vertical …
Coexistence of Service- and Facility-Based Competition: The Relevance of Access Prices for Make-or-Buy"-Decisions Open
This paper models competition between two firms, which provide broadband Internet access in regional markets with different population densities. The firms, an incumbent and an entrant, differ in two ways. First, consumers bear costs when …
Margin Squeeze in Fixed-Network Telephony Markets – competitive or anticompetitive? Open
This paper looks at the effects of different forms of wholesale and retail regulation on retail competition in fixed network telephony markets. We explicitly model two asymmetries between the incumbent operator and the entrant: (i) While t…
Competition, Regulation, and Broadband Access to the Internet Open
This paper reexamines the effect of the regulatory regime on both penetration and coverage of broadband access to the internet. The framework also allows for an evaluation of different public policy measures such as subsidization of broadb…
Do we (still) need to regulate fixed network retail markets? Open
In the beginning of fixed network liberalisation in Europe in the late 1990s, the main concern of regulators was to lower calls prices. This was done by introducing wholesale regulation and promoting service based competition. Some years l…
Measuring the effect of COVID-19-related night curfews in a bundled intervention within Germany Open
We estimate the impact of local night curfews in Hesse, the fifth most populous federal state in Germany, on the growth of incidences of COVID-19 cases residing within the “second wave” of the pandemic. Thereby, we take advantage of the fa…
Neural network for multi-exponential sound energy decay analysis Open
An established model for sound energy decay functions (EDFs) is the superposition of multiple exponentials and a noise term. This work proposes a neural-network-based approach for estimating the model parameters from EDFs. The network is t…
Efficiency in COVID-19 Vaccination Campaigns—A Comparison across Germany’s Federal States Open
Vaccination programs are considered a central pillar of the efforts to stop COVID-19. However, vaccine doses are scarce and several organizational and logistical obstacles, such as the timing of and reserves for second shots and delivery f…
When local bookshops close, more people give up reading Open
Many consumers don't rush to buy books online; they simply choose other activities instead of reading, write Georg Götz, Daniel Herold, Jan Thomas Schäfer and Phil-Adrian Klotz
Exclusionary practices in two‐sided markets: The effect of radius clauses on competition between shopping centers Open
We analyze exclusionary conduct of platforms in 2‐sided markets. Motivated by recent antitrust cases, we provide a discussion of the likely positive and normative effects of exclusivity clauses, which prevent tenants from opening outlets i…
Leapfrogging: Time of entry and firm productivity Open
We develop a model in which ex ante identical firms make endogenous entry and technology adoption decisions. We show that this model is capable of matching the stylized facts in which entry is dispersed over time and that, in many industri…