Arsenic (As) testing could help 22 million people, using drinking water sources that exceed the Bangladesh As standard, to identify safe sources. A cluster randomized controlled trial was conducted to evaluate the effectiveness of household education and local media in the increasing demand for fee-based As testing. Randomly selected households (N = 452) were divided into three interventions im...

The Front End Enclosure (FEE) of the Linac Coherent Light Source (LCLS) is a shielding housing located between the electron dump area and the first experimental hutch. The upstream part of the FEE hosts the commissioning diagnostics for the FEL beam. In the downstream part of the FEE, two sets of grazing incidence mirror and several collimators are used to direct the beam to one of the experime...

Fee-based membership free shipping is an important shipping fee schedule in E-Commerce. This paper studies how the membership free shipping (MFS) program affects firm competition and how to set the membership fee optimally. We find MFS relaxes price competition. The firm that adopts MFS has a higher pricing band than the other firm. Both firms have positive profits, strictly better than when me...

This study undertook a critical examination of Ontario’s extended producer responsibility scheme for the residential “Blue Box” recycling program, specifically examining the relationship between packaging fee rates and material-specific recycling rates. Using data collected for each of the 23 materials found in the residential recycling program over the past decade, a regression model was devel...