In this paper, transaction cost is introduced into the general firm-level export behavior model. By so doing, we build a theoretical model explaining how connection modes between leading agribusiness enterprises and rural households affect the firm-level agricultural products export. Analyzing...

Vast empirical evidence underscores that exporting firms are more productive than non-exporters. As governments accordingly pursue export-promoting policies we are interested in the firmness of these conclusions with respect to African small and medium sized enterprises (SMEs) and the influence...

The study employs cointegration, the standard Granger causality tests and vector error correction modeling technique to investigate the cause-effect association between exchange rates and stock prices for Pakistan. It uses weekly data for 70 individual securities and the trade-weighted exchange...

From the beginning, the debate on the likely results of the proposed acquisition of T-Mobile USA by AT&T focused more on the claims of the parties that “immense” merger efficiencies would overwhelm any apparent losses of competition than on the presence or absence of those losses, and the...

In this paper we introduce two models of opinion dynamics in oligopoly markets and apply them to a situation, where a new entrant challenges two incumbents of the same size. The models differ in the way the two forces influencing consumer choice - (local) social interactions and (global)...

Mobile telephony is described as a "two-sided" market where customers are seen as senders and receivers of communications that are mutually beneficial both to callers and receivers. This has implications in terms of market definition and market power. The economics of mobile call termination is...

This study examines the substitution effect between fixed-line and mobile telephony while controlling for the consumption externality associated with telephone networks. A dynamic demand model is estimated using a global telecommunications panel dataset comprised of 56 countries from...

Mobile networks have developed rapidly in recent years in areas previously unserved Africa. Alongside the European Orange, Vodafone and Tigo (Millicom), there is South Africa's MTN and Zain and Moov from Middle East. Their strategy aims at reducing prices to increase market share, even though...

Mobile networks have developed rapidly in recent years in areas previously unserved Africa. Alongside the European Orange, Vodafone and Tigo (Millicom), there is South Africa's MTN and Zain and Moov from Middle East. Their strategy aims at reducing prices to increase market share, even though...

This study examines the growth of global mobile telephony and the economic factors that affect this growth. Mobile telephony has exhibited substantial growth in the decade to 2000 and this growth is expected to continue with the introduction of technically advanced mobile cellular networks. A...