This article compares instruments which IT-firms use to integrate their business consultants - esp. the way monitoring and coordination of activities works. It is based empirically on interviews with consultants and managers of consulting units of a U.S. American firm in Germany, the Swiss...

We study changes in markups across 72 product markets from 2006 to 2018. A growing literature has documented a rise in markups over time using a production function approach; we instead employ the standard microeconomic method, which is to estimate demand and then invert firms' first-order...

Theory predicts that "common ownership" (ownership of rivals by a common shareholder) can be anticompetitive because it reduces the weight firms place on their own profits and shifts weight toward rival firms held by common shareholders. In this paper we use accounting data from the banking...

This paper presents a broad set of empirical regularities about selection and market shares reallocation in manufacturing industries of France, Germany, UK and USA. We first disentangle the contribution to industry-level productivity growth of within-firm productivity changes and between-firms...

We study the effect of information technology (IT) investment and merger integration on the value derived from 118 mergers in the U.S. banking industry. We quantify integration depth based on expenditures in merger-related integration, and examine how pre-merger IT intensity of the acquiring...