This paper develops a new class of homothetic preferences which generate Marshallian demand curves for individual goods which can be concave, convex or linear in own price under the assumption that agents treat aggregate price indices as given (as in the Dixit-Stiglitz (1977) monopolistic...

In this paper a unified framework is developed for modelling imperfect competition in a monopolistic economy and in a unionised economy in a dynamic setting. Concentrating on the steady state analysis, a graphical approach is developed in consumption/leisure space. In both cases, there is a...

A three-sector macro model of the Chinese economy is developed in which the activity of state-owned enterprises (SOEs) is constrained by the state-imposed credit plan for working capital. Our analysis indicates the weaknesses of credit control and nominal interest rate increases as tools for...

Broadband access provides users with high speed, always-on connectivity to the Internet. Due to its superiority, broadband is seen as the way for consumers and firms to exploit the great potentials of new applications. This has generated a policy debate on how to stimulate adoption of broadband...

This paper offers a methodology to assess the internal productive efficiency of National Regulatory Authorities (NRAs) based on the performances of regulated markets, measured in terms of the degree of market efficiency (either static or dynamic). The estimation procedure is based on a Data...

Despite a general trend of lower charges for mobile calls, prices for international roaming calls have remained at levels surprisingly high. The apparent reluctance of European mobile network operators to lower roaming tariffs is generating many antitrust concerns. This paper discusses in a two...

The objective in this paperis to analyse the effect of a reduction in working time duration in a trade union model where Capital Operating Time occurs.