We analyse the bidding for unit-price contracts, a very common procurement auction. With a unit price contract, not the provision of the good but the employment of several kinds of inputs is priced. The seller charges a unit price for the employed quantity of each input. To select one seller, a linear selection rule is used to rank submitted lists of unit prices. In this paper, we model heterog...

BACKGROUND Fourteen African countries are scaling up voluntary medical male circumcision (VMMC) for HIV prevention. Several devices that might offer alternatives to the three WHO-approved surgical VMMC procedures have been evaluated for use in adults. One such device is PrePex, which was prequalified by the WHO in May 2013. We utilized data from one of the PrePex field studies undertaken in Zim...

The world spends more than $500m on long-lasting Insecticidal nets (LLINs) every year; it is the largest single item in the global malaria control budget. A number of agencies have recently expressed interest in exploring how value-for-money in this market could be improved. The WHO Global Malaria Programme has therefore developed a system for reducing the cost-per-year of LLIN coverage. The pr...

AIM To compare alcohol purchasing and consumption by ill drinkers in Edinburgh with wider alcohol sales in Scotland. DESIGN Cross-sectional. SETTING Two hospitals in Edinburgh in 2008/09. PARTICIPANTS A total of 377 patients with serious alcohol problems; two-thirds were in-patients with medical, surgical or psychiatric problems due to alcohol; one-third were out-patients. MEASUREMENTS ...

This paper examines the impact of two popular solid waste programs on the percent recycled of several different materials found in the residential solid waste stream. We examine a unique, national, household-level data set containing information on the percent recycled of five different materials: glass bottles, plastic bottles, aluminum, newspaper, and yard waste. We find that access to curbsi...

BACKGROUND Diabetes Mellitus Type II (T2DM) is a major and growing medical, social and economic burden in the East-Asian country of Cambodia. However, no economic modelling has been done to predict the number of cases and the budget impact. OBJECTIVE This paper forecasts the epidemiological and economic consequences of T2DM in Cambodia. The Ministry of Health and related donor agencies are su...

This paper proposes a percolation-based model of new-product diffusion in the spirit of Solomon et al. (2000) and Goldenberg et al. (2000). A consumer buys the new product if she has formed her individual valuation of the product (reservation price) and if this valuation is greater or equal than the price of the product announced by the firm in a given period. Our model differs from previous pe...

Article history: Received 27 January 2009 Received in revised form 14 March 2009 Accepted 22 April 2009 Available online xxxx Communicated by F.Y.L. Chin

A primary goal of the 1996 Telecommunications Act is to encourage competition in longdistance telephone markets. Four years after passage of this legislation, Bell Operating Companies (“BOCs”) have been granted permission to offer long-distance services in only one state. The regulatory barrier to entry is justified on grounds that the BOCs have the ability to discriminate against incumbent lon...