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View article: The Effect of Mergers on Variety in Grocery Retailing
The Effect of Mergers on Variety in Grocery Retailing Open
We study the effect of a merger between two Dutch supermarket chains to assess its effect on the depth as well as composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger’s effect…
View article: The effect of mergers on variety in grocery retailing
The effect of mergers on variety in grocery retailing Open
We study a merger between two Dutch supermarket chains to assess its effect on the depth as well as composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in pre-merger competitive conditions…
View article: Estimating Demand with Multi-Homing in Two-Sided Markets
Estimating Demand with Multi-Homing in Two-Sided Markets Open
We empirically investigate the relevance of multi-homing in two-sided markets. First, we build a micro-founded structural econometric model that encompasses demand for differentiated products and allows for multi-homing on both sides of th…
View article: A Retrospective Evaluation of the GDF/Suez Merger: Effects on the Belgian Gas Hub
A Retrospective Evaluation of the GDF/Suez Merger: Effects on the Belgian Gas Hub Open
We present an ex-post analysis of the effects of GDF’s acquisition of Suez in 2006, which created one of the world’s largest energy companies. We perform a series of econometric analyses on the market for trading at the Zeebrugge gas hub i…
View article: Merger Policy in Digital Markets: An<i>Ex Post</i>Assessment†
Merger Policy in Digital Markets: An<i>Ex Post</i>Assessment† Open
This paper presents a broad retrospective evaluation of mergers and merger decisions in markets dominated by multisided digital platforms. First, we document almost 300 acquisitions carried out by three major tech companies—Amazon, Faceboo…
View article: Non-technical Summary and Technical report
Non-technical Summary and Technical report Open
This study examines whether EU competition policy enforcement has led to stronger competition in European gas and electricity markets and hence lower prices, higher investment and improved productivity. Specifically, the study analyses the…
View article: The effect of retail mergers on prices and variety: An ex-post evaluation
The effect of retail mergers on prices and variety: An ex-post evaluation Open
Unlike most retrospective merger studies that only focus on price effects, we also estimate the impact of a merger on product variety. We use an original dataset on Dutch supermarkets to assess the effect of a merger that was conditionally…