نتایج جستجو برای: e37
تعداد نتایج: 189 فیلتر نتایج به سال:
This paper develops a novel approach for estimating latent state variables of Dynamic Stochastic General Equilibrium (DSGE) models that are solved using a second-order accurate approximation. I apply the Kalman filter to a state-space representation of the second-order solution based on the ‘pruning’ scheme of Kim, Kim, Schaumburg and Sims (2008). By contrast to particle filters, no stochastic ...
در این مقاله تلاش شده است تا یک مدل ادوار تجاری واقعی (RBC) براساس رهیافت حداکثر راستنمایی و روش فیلتر کالمن، برای اقتصاد ایران برآورد شود. در این راستا، به علت ویژگی خاص کشورهای در حال توسعه نظیر ایران، از بین مدلهای متنوع و موجود در این چارچوب، مدل مورد استفاده توسط آیرلند (2004) انتخاب شده است. با استفاده از دادههای فصلی (1384-1367) و دادههای سالانه، مقادیر اولیه برای بهکارگیری رهیافت فی...
Growth of Synechococcus sp. strain PCC 7942 in iron-deficient media leads to the accumulation of an approximately 34-kDa protein. The gene encoding this protein, mapA (membrane-associated protein A), has been cloned and sequenced (GenBank accession number, L01621). The mapA transcript is not detectable in normally grown cultures but is stably accumulated by cells grown in iron-deficient media. ...
The basic assumption of a structural VARMA model (SVARMA) is that it is driven by a white noise whose components are independent and can be interpreted as economic shocks, called “structural” shocks. When the errors are Gaussian, independence is equivalent to noncorrelation and these models have to face two kinds of identification issues. The first identification problem is “static” and is due ...
This paper o¤ers a plausible explanation for the close link between oil prices and aggregate macroeconomic performance in the 1970s. Although this link has been well documented in the empirical literature, standard economic models are not able to replicate this link when actual oil prices are used to simulate the models. In particular, standard models cannot explain the depth of the recession i...
The optimal weights on indicators in models with partial information about the state of the economy and forward-looking variables are derived and interpreted, both for equilibria under discretion and under commitment. An example of optimal monetary policy with a partially observable potential output and a forward-looking indicator is examined. The optimal response to the optimal estimate of pot...
Commodity prices are often thought to have inationary consequences but formal statistical evidence in support of this perception has been far from robust. In this paper, we provide evidence that the two leading principal components in a panel of 23 commodity convenience yields have statistically and quantitatively important predictive power for ination even after controlling for unemployment ...
We examined the development of the occipital lobe in fetal monkeys between embryonic day 37 (E37) and E108 in Nissl-stained and acetylcholine esterase (AChE)-reacted sections. We paid particular attention to features that distinguish the development of presumptive area 17. At E46 the neuroepithelium consists of a ventricular zone and a monolayer cortical plate sandwiched between a thin marginal...
This paper estimates and simulates a sticky-price dynamic stochastic general-equilibrium model with a financial accelerator, à la Bernanke et al. [Bernanke, B., Gertler, M., Gilchrist, S., 1999. The financial accelerator in a quantitative business cycle framework. In: Handbook of Macroeconomics. North-Holland, Amsterdam], to assess the importance of the financial accelerator mechanism in fittin...
Intercellular adhesion molecule 3 (ICAM-3; CD50) is the predominant counter-receptor on resting T cells and monocytes for the leukocyte integrin, lymphocyte function-associated antigen 1 (LFA-1; CD11a/CD18), and may play an important role in the initial stages of the T cell-dependent immune response. Deletion of individual immunoglobulin superfamily (IgSF) domains of ICAM-3 and ICAM-3 IgSF doma...
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