A mobil kommunikáció, ezen belül a mobil Internet az agrárgazdaság számá-ra a használat hely és idő függetlensége miatt fontos lehetőséget, gazdasági elő-nyöket, a vállalkozások, szervezetek számára hatékonyabb működést jelenthet. Széleskörű elterjedése, innovációs...

We study how access pricing affects network competition when consumers'subscription demand is elastic and networks compete with non-linearprices and can use termination-based price discrimination. In the caseof a fixed per minute termination charge, our model generalizes theresults of Gans and...

Prior research documents that individual stock returns respond to earnings differently under new accounting standards, regulations, or changes in enforcement. This paper examines whether this result extends to the aggregate stock market. We take a macro perspective and study the properties of...

This paper explores the empirical effects of competition on technical efficiency in the context of electricity industry restructuring. Restructuring programs adopted by many U.S. states made utilities residual claimants to cost savings and increased their exposure to competitive markets. We...

Deregulation of the electricity sector has resulted in conflict between the economic aims of creating competitive wholesale and retail markets, and an engineering focus on reliability of supply. The paper starts by deriving the optimal prices and investment program when there are...

Electricity reform has coincided with a significant decline in energy R&D activities. Technical progress is crucial for tackling many energy and environmental issues as well as for long-term efficiency improvement. This paper reviews the industrial organisation literature on innovation to...