xml:id="sjos816-abs-0001" type="main" xml:lang="en" <title type="main">ABSTRACT</title>In cancer diagnosis studies, high-throughput gene profiling has been extensively conducted, searching for genes whose expressions may serve as markers. Data generated from such studies have the ‘large d, small n’ feature, with the...

We investigate an automobile supply chain where a manufacturer and a retailer serve a market with a fuel-efficient automobile under a scrappage program by the government. The program awards a subsidy to each consumer who trades in his or her used automobile with a new fuel-efficient automobile,...

We consider estimation of a linear or nonparametric additive model in which a few coefficients or additive components are “large†and may be objects of substantive interest, whereas others are “small†but not necessarily zero. The number of small coefficients or additive...