نتایج جستجو برای: e61
تعداد نتایج: 225 فیلتر نتایج به سال:
Abstract. The aim of the conducted research is elaboration conceptual statements and formulation practical recommendations aimed at development methodological bases state financial support for small business. On basis existing theoretical statements, discovery essential characteristics, peculiarities systematisation obtained results research, approaches to interpretation features business durin...
The exchange rate regime in Iran is practically fixed. The Central Bank of Iran (CBI) has committed itself to trying to bring about a particular exchange rate regime to meet two important targets: 1. Sustaining competitiveness of the economy, 2. Acquiring the share of foreign reserves in monetary base in a predetermined level. Since 2001 the share of foreign reserves in monetary base has i...
این مقاله برای اولین بار در ایران به تحلیل سیاستهای مداخله در بازار ارز ایران و سپس طراحی الگوی مداخله در بازار ارز ایران و شبیهسازی مونت کارلویی الگو میپردازد. مقاله در بخش نخست با تحلیل مداخلهی ارزی در بازار ارز ایران به این نتیجه میرسد که تزریق بیش از حد درآمدهای نفتی و فقدان تکیهگاههای برازندهی ساخت اقتصاد کشور موجب مداخلهی خرید ارز بانک مرکزی و بنابراین افزایش تورم و کاهش توان تول...
در این مقاله با استفاده از روش های کنترل بهینه، قاعدة سیاست بهینة پولی برای اقتصاد ایران با این فرض که سیاستگذار از نرخ بهره به عنوان ابزار سیاستی استفاده میکند، استخراج میشود. برای این منظور یک مدل دینامیک تصادفی شامل انتظارات عقلایی برای اقتصاد کشور، ارایه و پارامترهای آن با توجه به مقادیر ضرایب بهدست آمده در مطالعات قبلی تنظیم می شود. نتایج نشان می دهد که رفتار بهینة سیاستگذار این است ک...
The neoclassical justification of the economic role state rests on concepts such as model economy in equilibrium, perfect competition, market failures, social efficiency and cost-benefit analysis, monopolies, ex-ternalities, theory public goods existence free riders. All this doctrine, which is used by economists to justify interventionism, can be critici-sed from theoretical methodological ten...
To evaluate conserved structures of the surface gp120 subunit (SU) of the human immunodeficiency virus type 1 (HIV-1) envelope in gp120-cell interactions, we designed and produced an HIV-1 IIIB (HXB2R) gp120 carrying a deletion of amino acids E61 to S85. This sequence corresponds to a highly conserved predicted amphipathic alpha-helical structure located in the gp120 C1 region. The resultant so...
This paper studies a model of announcements by a privately informed government about the future state of the economic activity in an economy subject to recurrent shocks and with distortions due to income taxation. Although transparent communication would ex ante be desirable, we find that even a benevolent government may ex-post be non-informative, in an attempt to countervail the tax distortio...
BACKGROUND In recurrent head and neck cancer, therapeutic options are limited and high-quality evidence is rare. The purpose of this report was to present our experience of CT-guided interstitial high-dose rate (HDR) brachytherapy in 4 challenging cases of inoperable recurrent head and neck cancer. METHODS A 53-year-old man with mucosal melanoma of the paranasal sinuses, a 61-year-old man wit...
Did Political Constraints Bind During Transition? Evidence from Czech Elections 1990-2002 Many theoretical models of transition are driven by the assumption that economic decision making is subject to political constraints. In this paper we empirically test whether the winners and losers of economic reform determined voting behaviour in the first five national elections in the Czech Republic. W...
We study optimal government policy in an economy where (i) search frictions create a coordination problem and generate multiple, Pareto-ranked equilibria and (ii) the government finances the provision of a public good by taxing trade. The government must choose the tax rate before it knows which equilibrium will obtain, and therefore an important part of the problem is determining how the polic...
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