Background Supplemental oxygen is often administered liberally to acutely ill adults, but the
credibility of the evidence for this practice is unclear. We systematically reviewed the …

In addition to their well-established roles as neurotransmitters and neuromodulators, growing
evidence suggests that nucleotides and nucleosides might also act as trophic factors in …

Publisher Summary The theory of international trade is one of the oldest subfields of
economics. This chapter provides an overview of the present state of positive trade theory, …

This paper attempts to provide a systematic analysis of some aspects of structural change in
an open economy. In particular, we are concerned with an increasingly common …

We present a new model of multi-product firms (MPFs) and flexible manufacturing, and explore
its implications in partial and general oligopolistic equilibrium. Globalization affects the …

This paper simplifies and extends the theory of household behaviour under rationing, using
duality and the concept of ‘virtual’ prices. Slutsky-type equations, decomposing the …

Reviewing The Spatial Economy by Fujita, Krugman, and Venables, this paper argues that
the key contribution of the new economic geography is a framework in which standard …

Among its many abstractions from reality, the pure theory of international trade, associated
with the names of Heckscher, Ohlin, and Samuelson, assumes that both capital and labour …

A two-country model of oligopoly in general equilibrium is used to show how changes in
market structure accompany the process of trade and capital-market liberalization. The model …

Importance Seriously ill hospitalized patients have identified communication and decision
making about goals of care as high priorities for quality improvement in end-of-life care. …