OBJECTIVES The objective of the present study was to evaluate how effective tobacco tax increase has been in increasing price of tobacco products and reducing tobacco consumption in the Gambia. In addition, it tests the hypothesis that tobacco tax revenue grows while tobacco consumption decreases as a result of tax and price increase. SETTING The study is designed at the macroeconomic level t...

We develop a two-sided market model that captures two unique features of the in-app mobile advertising market: the joint structure of the adverting platform and agency pricing for the app sales channel. In the joint structure of the mobile advertising platform, both the platform owner and the app developer jointly control the provisioning of ads compared to the platform owner alone in the tradi...

Customer behavior modeling has been gaining increasing attention in the operations management community. In this paper we review current models of customer behavior in the revenue management and auction literatures and suggest several interesting research directions in this area.

OBJECTIVES To project the number of people aged 45-64 years with lost productive life years (PLYs) due to diabetes and related costs (lost income, extra welfare payments, lost taxation revenue); and lost gross domestic product (GDP) attributable to diabetes in Australia from 2015 to 2030. DESIGN A simulation study of how the number of people aged 45-64 years with diabetes increases over time ...

This paper studies a supply chain coordinated by a revenue-sharing contract in fuzzy environment. Two kinds of fuzzy programming models are discussed: revenue-sharing contract with fuzzy linear demand model and fuzzy iso-price-elastic demand model. Supply chain coordination in both centralized decision setting and centralized decision setting are achieved by obtaining the optimal solutions in t...

The supply chain coordinating role of revenue-sharing has, to date, been examined only in static models. With downstream competition, the central conclusion in these models is negative: revenue-sharing cannot, except in degenerate form, achieve coordination. Incorporating dynamics, by allowing inventory carryover in discrete time, this paper establishes a foundation for revenue-sharing contract...

We study how interactions between financing and investment decisions can shape firm boundaries in innovative markets. In particular, we model innovative projects as growth options and ask whether they are best operated inside large incumbent firms (Integration) or in separate, specialized firms (Non-Integration). Starting from a standard theoretical framework, in which value-maximizing corporat...

The parametric cost estimation approach has proved to be an efficient method for analyzing complex systems such as spacecraft, missiles, ships, buildings, etc where cost varies according to a number of parameters. The cost to provision a telecom network also depends on a number of parameters; but little research effort has been applied to estimate cost using this approach. In estimating the cos...

In this paper we survey a number of different social software websites and analyze their revenue models. The main revenue models that we analyzed included advertising, premium memberships, affiliate programs, donations and merchandize sale. The survey will categorize different social software based upon the revenue model being adopted. The main aim of this paper is to highlight the need for stu...