This paper describes the equilibrium price function generated by brokers in a market in which heterogeneous buyers meet heterogeneous sellers through a matching process with frictions. The equilibrium price function relates the price to alternative ratios of buyers and sellers offered by different brokers. The paper shows how brokers can enter a matching market and charge fees that yield a prof...

Public attention on natural gas price, which reflects the demand dynamics, is considered as a new factor to influence the movement of price. So investigate the impact of public attention on natural gas price is an innovative research issue in energy economics. This paper innovatively constructs a measure of public attention and examines its impact on natural gas price. A data set generated from...

Abstract Abstract Background: Availability and affordability of medicines are crucial to achieving success in prevention programs, particularly in developing countries. Objective: The aim of this study was to determine the availability and affordability of cardiovascular medicines for secondary prevention in Tehran province of Iran. Methods: A cross-sectional survey was conducted in Tehran pro...

Abstract Abstract Background: Availability and affordability of medicines are crucial to achieving success in prevention programs, particularly in developing countries. Objective: The aim of this study was to determine the availability and affordability of cardiovascular medicines for secondary prevention in Tehran province of Iran. Methods: A cross-sectional survey was conducted in Tehran pro...

This paper analyzes the e¤ects of public information in a perfect competition trading model populated by asymmetriclly informed short-horizon investors who have di¤ering private information precisions. We …rst show that information asymmetry reduces price informativess and can lead to multiple linear equilibria, where price informativeness refers to the amount of private information revealed by...

The purpose of this paper is to present some results about the determinants of book-loans from local public libraries in Norway. The investigation is based on quasi-demand functions where travel time, as an indicator of the shadow price of book-loans, average personal income, information on the book stock, and on other media available at the library, are main explanatory variables. We use panel...

BACKGROUND Vaccination programs often organize subsidies and public relations in order to obtain high uptake rates and coverage. However, effects of subsidies and public relations have not been studied well in the literature. In this study, the demand function of pneumococcal vaccination among the elderly in Japan is estimated, incorporating effects of public relations and subsidy. METHODS Us...