This study considers the problem of a vendor which supplies an item to the buyer with imprecise partial backlogging rate of unsatisfied demand and non instantaneous deterioration rate considering variable holding cost, the effect of inflation and time value of money. The supplier’s lead time is a stochastic function of his managing cost. The extra costs incurred by the retailer due to the uncer...

He has held directorial posts in information systems and management in the private sector. His research interests and publications are in the areas of e-business management, e-learning, information and knowledge management. His recent research contracts with the private sector and government concern business performance management, e-business channel management and e-business applications devel...

This article studies design competition in government procurement by developing a model of two-dimensional auctions, wherejirms bid on both price and quality, and bids are evaluated by a scoring rule designed by a buyer. Three auction schemes-first score, second score, and second preferred offer-are introduced and related to actualpractices. If the buyer can commit to a scoring rule in his best...

T he purpose of this study is to analyze the effect of foreign direct investment and portfolio investment on the convergence occurrence of economic growth of countries in the ASEAN + 3 region and to determine the time or speed required to achieve convergence. The type of data used in this research is secondary data panel which is combination between time series data and cross-section...

Many two-sided platforms offer innovative hardware products that improve in quality and enter the market sequentially. We analyze the impact of the decrease in the production cost on a monopoly platform owner’s dynamic two-sided pricing problem, in which buyers are strategic and exert a cross-side network effect to the seller side. Our findings show that a greater decrease in cost raises the op...

Previous research in the area of buyer strategies for choosing sellers in ecommerce markets has focused on frequent purchases. In this paper we present a reputation based buyer strategy for choosing sellers in a decentralized, open, uncertain, dynamic, and untrusted B2C ecommerce market for frequent and infrequent purchases. The buyer models the reputation of the seller after having purchased g...

The conflicting problems of growing mobile service demand and underutilization of dedicated spectrum has given rise to a paradigm where mobile network operators (MNOs) share their infrastructure among themselves in order to lower their operational costs, while at the same time increase the usage of their existing network resources. We model and analyze such an infrastructure sharing system cons...

Using firm age as a proxy for the learning process within a firm, we show that the investments of young firms react more aggressively to profit realizations than the investments of mature firms. With time, firms learn about their long-term quality and their investment decisions become less influenced by the random shocks they receive. We also show that the learning process depends on the volati...