This paper extends the standard Hotelling model with quadratic transport costs to the multi-firm case. Considering locational equilibria we show that neither holds the Principle of Maximum Differentiation - as in the duopoly model - nor does the Principle of Minimum Differentiation - as in the...

Government policy emphasises five ‘drivers’ of productivity: competition, enterprise, innovation, investment and skillsand each of these has been the subject of major programmes of reform (HM Treasury, 2006). Despite this, andnotwithstanding some improvement, UK productivity in terms of output...

This paper analyzes the problem of deriving predictions, regarding supply behavior of acompetitive firm, from prior consistency postulates about input-output choices made by such afirm. It extends the literature by introducing a consistency postulate for firm choice, which isweaker than...

In this paper we empirically examine the impact of competition between Microfinance Institutions(MFIs) on the efficacy of loan contracts when the MFIs make use of joint liability loan contracts. Morespecifically, we aim to find out whether competition will reduce the power of the self-selection...

Since the 1950s our modern society has been in a stage of transformation. The grounds of economic action have been changed due to radical technological transformation in microelectronics, biotechnology, and the development of new manufacturing as well as socio-cultural changes. (...)

The first paper is co-authored with Sylvain Delalay. We examine the impact of competition between ETFs on measures of market quality of the funds. The surge in new ETF creation has for consequence that groups of competing ETFs are increasingly crowded, and investors can choose from a multitude...