This paper empirically evaluates the price effects of the merger of two major book retail chains in the UK: Waterstone's and Ottakar's. We employ differences-in-differences techniques and use a rich dataset containing monthly scanner data information on a sample of 200 books sold in 60 stores in...

We study the effect of a merger in a dynamic high-technology industry - the videogame market - which is characterized by frequent introduction of new products. To assess the impact of the merger between two large specialist retailers in the UK, we perform a difference-in-differences analysis...

This paper empirically evaluates the price effects of the merger of two major book retail chains in the UK: Waterstone's and Ottakar's. We employ differences-in-differences techniques and use a rich dataset containing monthly scanner data information on a sample of 200 books sold in 60 stores in...

This paper empirically evaluates the effects of a merger between the two largest book retail chains in the UK. We build an original dataset of book titles with data on the prices at the store level and at the national level. We then apply difference-in-differences techniques to assess the impact...

We study the effect of a merger in a dynamic high-technology industry-the videogame market- which is characterized by frequent introduction of new products. To assess the impact of the merger between two large specialist retailers in the UK, we perform a difference-in-differences analysis...

This article reviews recent literature on joint liability lending in micro-credit markets characterized by adverse selection. This mode of lending consists of granting individual loans to wealthless borrowers provided that they form groups. If a group does not fully repay its obligations, then...

In this paper we study optimal choices of self-selection into politics and commitment once in office on the part of citizens with heterogeneous abilities and heterogeneous motivations. Politicians can moonlight, i.e., they can work in the market sector while appointed in parliament. Our...

This paper tackles the issue of unverifiable quality of after-sales insurance services, such as a prompt reimbursement of damages. A dynamic model is introduced in order to allow reputation to emerge as a means of disciplining insurance firms to deliver high quality. The equilibrium of a...

Some recent health economics papers suggest that increasing wage in the nursing labor market with the aim of reducing shortage may yield a negative effect on the average productivity and/or the average motivation of applicants attracted. Some feminist economics papers criticize this inefficiency...