N. I. Khan

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We examine the effect of gaining prescription drug insurance, as a result of Medicare Part D, on use of prescription drugs and other medical services for a nationally representative sample of Medicare beneficiaries. Given the heightened importance of prescription drugs for those with chronic illness, we provide separate estimates for elderly in poorer(More)
Temporal urban mapping develops a historical perspective of urban development by combining a variety of data sources into an integrated, multi-scale, and multi-resolution database. Temporal map and databases can be used to document human-induced land transformations in Dhaka Metropolitan Area (DMA), where the human induced land transformation rate is very(More)
Identifying rigorous and relevant research methods has for a long time been a challenge in IS research. This is amplified in developing countries, where understanding the context is key. This paper presents an Action Design Research based approach, incorporating ethnography, which aims to provide a more authentic and relevant analysis. The Action Design(More)
BACKGROUND During the 1990's hospitals in the U.S were faced with cost containment charges, which may have disproportionately impacted hospitals that serve poor patients. The purposes of this paper are to study the impact of safety net activities on total profit margins and operating expenditures, and to trace these relationships over the 1990s for all U.S(More)
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