the model with time varying risk premia

... Sunder-Plassmann (2010) use the time- vaying VAR model to capture the time- varying dynamics of UK macroeconomic and financial time series Relative to the regime-switching model, the time- varying VAR incorporates ... the AR(1) model Chart explores the evolution of the RMSE of these models over the forecasting period The chart plots the smoothed relative RMSE for the TVP-VAR, TVAR and ST-VAR models at the four-quarter ... largest for the TVP-VAR and smallest for the TVAR model 4.1.2 Inflation At the one-quarter forecast horizon, the TVP-VAR model, the UC model and the TVP-FAVAR model deliver, on average, the most...

Ngày tải lên: 06/03/2014, 14:20

... from lp(0, ∞; X) to lp (0, ∞; Y ) Sometime, for the convenience of the formulation, we identify lp(s, t; X) with the space of all sequences (u(n))t n=s The truncated operators of l(0, ∞; X) ... The proof is complete Thus, by Proposition 4.3, the inequality rK (A; B, E, F ) sup Ln0 −1 n0 holds We prove the converse relation We note that Ln is decreasing in n Therefore, there exists the ... equation Now let the unique solution to the initial value problem for (4) with initial value condition x(n0 ) = x0 denote by x(· ; n0 , x0) In the following, we suppose that Hypothese 2.1 En ;...

Ngày tải lên: 22/03/2014, 11:20

... periodic models to study the dynamics of processes that are subject to sudden changes in their states To the best of our knowledge, few papers discuss the impulsive periodic systems with time- varying ... impulsive periodic system with time- varying generating operators and nonhomogeneous linear impulsive periodic system with time- varying generating operators At the same time, we show several Massera-type ... of THLIPS (2.2) Further, we can give the following theorem of the alternative result on periodic solution Theorem 2.11 Assumptions 2.1, 2.3, 2.4, and 2.6 hold Then either the THLIPS (2.2) has...

Ngày tải lên: 22/06/2014, 19:20

... references therein To the best of our knowledge, few authors have studied the stability of impulsive BAM neural network model with both time- varying delays and reaction-diffusion terms Motivated by the ... that, in general, the partial derivatives ∂ui (tk ,x)/∂t and ∂v j (tk ,x)/∂t not exist On the other hand, according to the first and the third equations of model (2.1), there exist the limits ∂ui ... criteria The method is simpler and more effective for stability analysis of neural networks with timevarying delays Acknowledgments The authors would like to thank the reviewers and the editor for their...

Ngày tải lên: 22/06/2014, 19:20

... ; v2 ; ; vm ÞT Rm are the activations of the ith neurons and the jth neurons, respectively, wji and vij are the connection weights at the time t, Ii and Jj denote the external inputs, sðtÞ ... result is less conservative than those of the existing works [26–28] When the time- varying delays are considered for the system (22) with hðtÞ and sðtÞ 0:5, the maximum allowable convergence rate ... equation with time- varying coefficients Appl Math Comput 2005;160:335–61 [14] Park JH Robust stabilization for dynamic systems with multiple time- varying delays and nonlinear uncertainties J Optim Theory...

Ngày tải lên: 06/07/2014, 21:20

... from lp(0, ∞; X) to lp (0, ∞; Y ) Sometime, for the convenience of the formulation, we identify lp(s, t; X) with the space of all sequences (u(n))t n=s The truncated operators of l(0, ∞; X) ... The proof is complete Thus, by Proposition 4.3, the inequality rK (A; B, E, F ) sup Ln0 −1 n0 holds We prove the converse relation We note that Ln is decreasing in n Therefore, there exists the ... equation Now let the unique solution to the initial value problem for (4) with initial value condition x(n0 ) = x0 denote by x(· ; n0 , x0) In the following, we suppose that Hypothese 2.1 En ;...

Ngày tải lên: 21/07/2014, 16:21

... organelle model in a timevarying magnetic field Figure shows the model representation of the cell membrane and the internal organelle, and their orientation to the coil that generates the magnetic field ... was the unit vector in the direction of O’ Z’, ω was the angular frequency of the magnetic field, and j = −1 was the imaginary unit Model parameters Table lists the parameters used for the model ... membrane on the internal membrane A Amplitude of ψorg with and without the presence of the cytoplasmic membrane Presence of the cytoplasmic membrane reduced ψorg B Phase of ψorg with and without the...

Ngày tải lên: 19/06/2014, 08:20

... monitoring the energy deposition and the therapeutic effect, and also controlling the US exposure based on the feedback digital data from the ultrasonograms in the process of HIFU treatment The therapeutic ... necrosis of the whole target regions During the therapeutic process, real -time estimation of the therapeutic effect was carried out by the computer system through the graphic changes in the target ... transducer and the skin in order to well locate the target region The real -time US imaging device was used to locate the head of pancreas as the pre-designed target region The spatial volumes of the target...

Ngày tải lên: 25/10/2012, 11:18

... to investors is not risk and return in calendar time, but rather, risk and return as measured in intrinsic time I will identify the word risk with volatility, that is, with the annualized standard ... paper I have derived the consequences of two hypotheses for the relationship between risk and return The first hypothesis states that assets with the same risk must have the same expected return ... is the tick length of the riskless bond investment which provides the benchmark return More generally, the portfolio member with the lowest trading frequency determines the shortest holding time...

Ngày tải lên: 12/12/2013, 14:15

... experiment with the stratified option, in which C ranks are assigned to the permutations generated from the same source document The permutation with the smallest dissimilarity score is assigned the ... score is assigned the same (zero, the highest) rank as the source document, and the one with the largest score is assigned the lowest (C−1) rank; then ranks of other permutations are uniformly ... C’s with the configurations where our model outperforms the baseline model In each configuration, we choose the dissimilarity metric which achieves the best accuracy reported in Tables to and the...

Ngày tải lên: 22/02/2014, 02:20

... on the proportional odds assumption This assumption needs to be tested with the chi-squared form of the score test (Agresti, 2002) The lower the chi-squared value, the better the PO model fits the ... corpus gave results consistent with the literature They also showed the superiority of the MLR model over the PO model Since Heilman et al (2008) found the opposite, and the intuitive view is that ... suggests that there is a strong relationship between the frequency of words and the speed with which they are recognised We therefore opted to model the lexical difficulty for reading as the global...

Ngày tải lên: 08/03/2014, 21:20

... draw Since the T800 and a replicant start identically in this way, we can treat the two as one and the same Therefore, the newly created T800 in Terminator could easily be substituted with a newly ... throw down their enslavement to pursue a more promising and fulfilling future Reaching a crossroads in their lives, they chose to pursue humanity, the moment they chose to hijack their transport ... by the memories they carry, he designs an experiment to test this theory Rachel is an experimental replicant, implanted with false memories designed to make her believe she grew up like any other...

Ngày tải lên: 21/03/2014, 22:52

... ViewModel is the magic behind everything The ViewModel contains the UI logic, the commands, the events, and a reference to the Model In MVVM, the ViewModel is not in charge of updating the data displayed ... components: the Model, the View, and the ViewModel n The Model is the entity that represents the business concept; it can be anything from a simple customer entity to a complex stock trade entity n The ... display the state of the ViewModel and its data template at design time The code to that is pretty simple It uses data binding to map the values between the UI and the ViewModel, as shown in the...

Ngày tải lên: 23/03/2014, 05:20

... lepton flavor violation in the 3-3-1 model with right-handed neutrinos”, Phys Rev D77, 057302 (2008) 13 Dong, P.V and Long, H.N., The economical SU(3)C ⊗ SU(3)L ⊗ U(1)X model , Adv High Energy ... contributions to the neutrinoless double Beta decay in the economical 3- 3- model , Jour of Experimental and Theoretical Physics 108, 757-763 (2009) B Sách 15 Dong, P.V and Long, H.N., The economical ... “SU(3)C ⊗ SU(3)L ⊗ U(1)X model with two Higgs triplets”, Phys Rev D73, 035004 (2006) Dong, P.V., Long, H.N and Soa, D.V., “Higgs-gauge boson interactions in the economical 3-3-1 model , Phys Rev D73,...

Ngày tải lên: 03/04/2014, 12:22

... decide the timestepping At any point in space, the updated value of the H-field in time is dependent on the stored value of the H-field and the numerical curl of the local distribution of the E-field ... marching-in -time process, i.e., the electric field at time t depends on the electric field at t −δt and the magnetic field (via the curl) at t −δt/2 (δt is the time step) Once the electric field at time ... PEC The period is 400 nm The solid line depicts the calculation with the FDTD method The dashed line is obtained with the CMM (Sect 1.3) zero However, the EM field distribution induced by the...

Ngày tải lên: 29/05/2014, 18:40

... participated in the whole study and wrote the manuscript LP performed the statistical analysis MS, CW, and BW carried out the synthesis of tracers ADS and LGS did the design of the study and revised the ... while the smooth line through the data is the two-tissue-compartment model fit to the data A smooth line (interpolation) was drawn through the input function data to illustrate the shape of the ... exceeded The unit for the rate constants K1 to k4 was 1/min In the case of 68Ga-BZH3 and 68Ga-RGD4, K1 is associated with receptor binding, k2 with displacement from the receptor, k3 with cellular...

Ngày tải lên: 18/06/2014, 18:20

... remain alive and on either first- or second-line treatment at the end of the five-year modelling period Study site Modelling parameters for the study were estimated from the Themba Lethu Clinical ... than the cost of the other scenarios Using the baseline cost values, the total costs of all three scenarios are almost the same The sensitivity analysis illustrated in Figure shows that the baseline ... that of the RM strategy if the cost of second-line therapy falls or the cost of a resistance test increases, however The ranking of the full RT strategy and the RM strategy is sensitive to the cost...

Ngày tải lên: 20/06/2014, 08:20

... to be a time- varying causal finite impulse response (FIR) filter with a maxi(m,n) mum order L Using hp,l to denote the time- domain channel gain of the lth lag at the pth time instant for the channel ... Data model and BEM based on a single OFDM symbol Let us use a BEM to model the time variation of the channel within one OFDM symbol: for the channel between the mth transmit antenna and the nth ... for the oversampling factor with K K κ = K+L used for the (C)CE-BEM and κ > K+L for the (O)CE-BEM Assuming that the BEM inflicts a negligible modeling error, the K(L+1) channel taps within the...

Ngày tải lên: 20/06/2014, 22:20