Putting per-capita income back into trade theory

Distribution of per Capita Income in Georgia

The Rise of Trade Volumes, the Origin-Margin, and Per Capita Income

Recent empirical literature documents the existence of an origin-margin in international trade: importers tend to increase the number of source countries per imported good. Along various dimensions, this trend for diversi…cation strongly correlates with the increase in trade volumes. Existing explanations of the rise of world trade volumes cannot account for that parallel development. This pape...

Per Capita Income and the Quality and Variety of Imports

We investigate how the division of aggregate income into per capita income and population affects the margins of imports. In the first part, we use data on imports of 123 countries to document a positive relationship between per capita income and both the extensive and quality margin of imports, for a given level of aggregate GDP. These relations hold at various levels of disaggregation. While ...

[Household insecticides: pattern of use according to per capita income].

OBJECTIVE Although insecticides are widely used in many countries, few studies of their use in households have been conducted. This study was carried out to describe the household use of insecticides according to per capita income. METHODS From October 1999 to January 2000, questionnaires on the use of household insecticides were applied to 2,039 households in the urban area of Pelotas, Brazi...

Putting proteins back into water

We introduce a simplified protein model where the solvent (water) degrees of freedom appear explicitly (although in an extremely simplified fashion). Using this model we are able to recover the thermodynamic phenomenology of proteins over a wide range of temperatures. In particular we describe both the warm and the cold protein denaturation within a single framework, while addressing important ...