Many grant applications have a preliminary stage where only a select group are invited to submit a full application. Similarly, procurement contracts by governments are often awarded through a two-stage procedure. We model and analyze such environments where the designer cares about the style of...

This paper reviews a recent paper by De Loecker and Warzynski (AER, 2012), which developed a method (so-called DLW method) to estimate markups (market powers) using plant-level production data. Although DLW aimed to explore the relationship between markups and export behavior, its core value is...

In this paper, we tackle the dilemma of pruning versus proliferation in a vertically differentiated oligopoly under the assumption that some firms collude and control both the range of variants for sale and their corresponding prices, likewise a multi-product firm. We analyse whether pruning...

This survey introduces a number of game-theoretic tools to model collusive agreements among firms in vertically differentiated markets. I firstly review some classical literature on collusion between two firms producing goods of exogenous different qualities. I then extend the analysis to a...

The local steel industry in Egypt has been protected by high tariffs which were relaxed lately. The market is segmented according to steel type and there is a dominant steel producer acting as a monopoly in the market. Due to barriers to entry in the short run and the dominant market position of...

Industries are transformed by the adoption of flexible production technologies and complementary changes in firms' organization. Some of the results of this transformation include companies extending their product lines and reshaping their relationships with outside partners. In this paper I...

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On the basis of five balance variables in bank balances (total assets, deposits, capital, operating income, and loans), the Hirschman–Herfindahl indices for period 2016–2021 are calculated. The indices values are decomposed by the Bajo and Salas approach, based on the fact that the...

Russian: Основы использования ИКТ в Сербии уже заложены, но электронный бизнес-процесс пока не сильно развит. Системных исследований влияния Интернета и ИКТ на...

We study sequential auctions in which bidders demand multiple units. We collect a novel data set on sequential water auctions for the empirical study. Although water units are identical, two features from the empirical setting create a trade-off whereby units of water end up being complements or...