This article updates Kelly and Bruestle (2011) by illustrating how publication trends in different subject categories in economics evolved from 2007 to 2013. Using data from RePEc we show that the largest increase in the relative share was for articles published in JEL category Q (“Agricultural and Natural Resource Economics, Environmental and Ecological Economics”) over this period. Furthermor...

We provide a simple necessary and suffi cient condition for when a multiproduct demand system can be generated from a discrete choice model with unit demands.

We develop an endogenous growth model driven by externalities of both private capital and public infrastructure.

Pour mettre au point un procédé de fabrication briques autobloquantes à partir déchets papier-carton, et d’en garantir la reproductibilité, maîtriser qualité suspension eaux papier-cartons devient fondamental. En effet, cette est mélangée avec du sable ciment pour obtenir les autobloquantes. Il alors essentiel déterminer loi constitutive des suspensions papier-carton. Une méthode caractérisatio...

collaboration networks are the basis of development of social knowledge domains. a co-authorship network includes a set of people connected to each other because of their cooperation in publication of articles and thus create a huge graph.this study has analyzed co-authorship papers of civilica, islamic world science citation center (isc), scientific information database (sid) and science direc...

Packaging fresh fruits and vegetables is one of the more important steps in the long and complicated journey from grower to consumer. Bags, crates, hampers, baskets, cartons, bulk bins, and palletised containers are convenient containers for handling, transporting, and marketing fresh produce. More than 1,500 different types of packages are used for produce in the U.S. and the number continues ...

Materials for wrapping surgical dressings were studied by a method which measured the recontamination rate in packs stored for periods of up to several weeks. Of the materials tested a thick crêpe paper was better than calico and balloon cloth fabrics. Dressings wrapped in paper were not significantly contaminated after storage in dusty places for periods of up to three weeks. For added protect...

Addiction creates an intertemporal link between a consumer’s past and present decisions, altering their responsiveness to price changes relative to nonaddictive products. We construct a dynamic model of rational addiction and endogenous consumption to investigate how consumers respond to policy interventions that aim to reduce purchases of cigarettes. We find that, on average, the category elas...