anzali porter is one of the cities that is located in gilan province, is important because it's recreational and tourism attraction in the region. therefore, the study of recreational value can affect prediction requires, shortage removal and recreation expansion in the region. the purpose of current study is to estimate the recreational value of anzali wetland with contingent valuation me...

Diversification is a fundamental concept in economics and finance. This paper argues that decision makers have an intrinsic preference for diversification responsive to cost this willingness pay driven by risk aversion loss aversion. In experiment replicating portfolio choice problem, the value of estimated be at 5% initial endowment approximately $100. Moreover, risk-averse loss-averse individ...

This study explores the effects of Interferon-β characteristics such as country of origin, injection frequency and method, monthly cost, efficacy, and side effects on multiple-sclerosis patients’ willingness to pay. For this purpose, MS patients with a history of using Interferon-β were studied from the three major Isfahan MS centers. Choice sets were designed with a combination of attributes a...