abstract in this study, we applied recently developed panel unit root and cointegration techniques to examine the long-run real income per capita and price elasticities for demand of electricity in selected middle east and north african (mena) countries using an annual data series from 1990 to 2011.our main finding from the panel analysis is that the demand for electricity is highly price elast...

JEL Classification: L14

This article adds technology choice to a free-entry Cournot model with linear demand and constant marginal costs. Firms can choose from a discrete set of technologies. This simple framework yields non-existence of equilibrium, existence of multiple equilibria and equilibria in which ex-ante identical ̄rms choose di®erent technologies as possible outcomes. I provide a full characterization of th...

JEL Classification: K42, L13, O17.

JEL Classification Numbers: G100, G120

Novel species of fungi described in this study include those from various countries as follows: Australia , Agaricus albofoetidus aureoelephanti and parviumbrus on soil, Fusarium ramsdenii stem cankers Araucaria cunninghamii Keissleriella sporoboli Sporobolus natalensis Leptosphaerulina queenslandica Pestalotiopsis chiaroscuro leaves Serendipita petricolae endophyte roots Eriochilus petricola S...

JEL classification: C51 C52 G11

JEL Classification Numbers: E 31, E 52

We investigate a government financed voucher program that allows all Americans to buy health insurance in the private insurance market. We investigate whether health insurance vouchers are able to increase the number of people with health insurance and decrease aggregate health care spending that threatens the solvency of Medicare and Medicaid. We develop a multi-generation dynamic general equi...