This paper develops an optimal harvesting model for the wild Atlantic salmon (Salmo salar), where various age classes of the population are included. It is shown that the marginal value–fecundity relationship of the spawning population, comprising young and old fish, is crucial for the optimal...

We provide consistent, cross-country estimates of price and income elasticity for households in 11 OECD countries. Using survey data from 2011 on annual consumption of electricity and sample-derived average electricity price, we provide country-specific price elasticity estimates and average...