We develop a model of vertical innovation in which firms incur a market entry cost and choose a unique level of quality … spectrum has top and a bottom, is thus overcome by sequential entry. Our main contribution lies in handling these asymmetries. …

entry of potential rivals and accentuating standard oligopoly distortions, may foster R&D-based growth and welfare. However … R&D and the creation of entry barriers to the disadvantage of potential rivals, e.g. through lobbying activities …, campaign contributions, bribes or the adoption of incompatible technologies. This paper proposes a simple oligopoly model which …

advertising levels, and the impact of entry and mergers. We show that novel forces come into play, which reflect the outlets …' incentives to control the composition of the customer base in addition to its size. We link consumer preferences and advertising …

We use China's growth experience as a laboratory to study how reductions in entry barrier contribute to economic growth … by inducing a more competitive market structure. The removal of entry restrictions on private firms in the late 1990s and … entry and calibrate it to Chinese manufacturing from 2004-7. We show about 25% of the productivity growth in 2004-7 is …

-sector Cournot oligopoly. The explicit consideration of strategic interactions in a model of endogenous growth produces interesting …