abstract in current study, an irrigation examination and acquisition of environmental water in kor-river fields, that is dominated from doroudzan dam to bakhtegan lake, was done by an integrated economy-environmental model. the model was considered by economic, hydrologic and agronomic components. in the economic component, an optimal harvesting of water was done using non-linear programming in...

Building on evidence of increasing inequality with the 2008-9 recession, we ask whether households experienced different financial trajectories through the recession depending on initial income and net worth. Using growth curve models of households headed by young adults in the Panel Study of Income Dynamics, we compare the relationship between initial income and net worth and the rate of chang...

Death statutes in the United States list elements of loss for which a defendent must make compensatory payment. The element that economists as expert witnesses are called upon to calculate is net income, roughly deÞned as the decedent’s income minus personal expenses. The existence of joint or shared consumption goods complicates the deÞnition and calculation of net income. Net income can be in...

The objective of this paper is to present an empirical measure of economic welfare, hereafter called "economic position," which integrates, current money income and current net worth. We apply the resulting measure illustratively, comparing some of its results with those of the income measure. Subsequently, some of the implications of our measure are explored. The proposed measure rests on the ...

ABSTRACT- The aim of this study is economic analysis of supplemental irrigation (SI) for rain-fed fig trees in the south of Iran, with and without micro-catchment water harvesting systems (MCWHS). Under no MCWHS, by decreasing about 55 % of applied water, the fig yield decreased about 28% and net income increased twice compared with the maximum yield condition. In general, the ...