نتایج جستجو برای: e21
تعداد نتایج: 609 فیلتر نتایج به سال:
Carroll and Kimball (1996) show that the consumption function for an agent with time-separable, isoelastic preferences is concave in the presence of income uncertainty. In this paper I show that concavity breaks down if we abandon time-separability. Namely, if an agent maximizing an isoelastic recursive utility has preferences for early resolution of uncertainty, there always exists a distribut...
This paper investigates the impact of demographic shocks on optimal decisions about saving, life insurance, and, most centrally, asset allocation. The analysis indicates that marital-status transitions can have important effects on optimal household decisions, particularly in the cases of widowhood and divorce. Children also play a fundamental role in portfolio choice; in addition to leading to...
در این مطالعه اثر برخی از شوکهای موقت و دائمی مؤثر بر رفتار مصرفی خانوارهای ایرانی از قبیل درآمد، نقدینگی و مخارج دولت در بازه زمانی 1393-1353 مورد بررسی قرار می گیرد. برای این منظور ابتدا سریهای زمانی متغیرهای مزبور با استفاده از رویکرد تجزیه سری زمانی بوریج - نلسون (BN) به اجزای موقت (سیکل) و اجزای دائمی (روند) تفکیک می شود و سپس با استفاده از مدل (ARDL) اثر این شوکها بر مصرف خانوار مورد...
in this paper, the effect of financial liberalization on household’s budget liquidity constraint is analyzed with the use of an error correction model. financial liberalization will decline liquidity constraint, with expanding means of making future incomes available for present consumption. here a financial liberalization index for iran is defined using principal component analysis technique, ...
Changes in global development benchmarks, the gradual depletion of natural resources, as well climatic changes are forcing economic actors around world to look for alternative methods energy production. The transition them can be difficult due high cost produced and pressure from states corporations specializing extraction classical sources. article is devoted study renewable energy. uses a sta...
Neurogenesis in the anterior olfactory nucleus and its associated transition areas in the rat brain.
Neurogenesis in the rat olfactory peduncle was examined with [3H]thymidine autoradiography. Animals in the prenatal groups were the offspring of pregnant females given an injection of [3H]thymidine on two consecutive gestation days. Nine groups of embryos were exposed to [3H]thymidine on embryonic days (E) E13-E14, E14-E15,...E21-E22, respectively. One group of postnatal animals was given four ...
In hypertension, increased peripheral vascular resistance results from vascular dysfunction with or without structural changes (vessel wall remodeling and/or microvascular rarefaction). Humans with lower birth weight exhibit evidence of vascular dysfunction. The current studies were undertaken to investigate whether in utero programming of hypertension is associated with in vivo altered respons...
The biosynthesis and posttranslational processing of arginine vasopressin (AVP) and oxytocin (OT) peptides in the developing rat brain and pituitary were studied using antibodies and complementary separation methods that permitted a quantitative radioimmunoassay (RIA) analysis of precursor, intermediate, and completely processed forms of the peptides. Precursor forms of the peptides were first ...
The article describes the past and future energy natural resources policies in Russia. authors consider main trends prospects state policy. shows relationship between National Welfare Fund growth decline consumption. argue ability of raw materials revenues to solve problems social financing. analysis relies on VAR VECM-model test generated hypotheses. model explores changes prices proportion in...
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