The main objective of this paper is to discuss alternative methods for testing the Fama-French (FF) three-factor asset pricing model. The properties of the selected methods are compared through a simulation study. The main stress is put on the behaviour of the selected methods for small samples. The parameters used in the simulation study are obtained on the basis of real data coming from the P...

We study the performance of conditional asset pricing models in explaining the German cross-section of stock returns. Our test assets are portfolios sorted by size and book-to-market as in the paper by Fama and French (1993). Our results show that the empirical performance of the Capital Asset Pricing Model (CAPM) can be improved substantially when allowing for time-varying parameters of the st...

Stomata are adjustable pores in the plant epidermis that regulate gas exchange between the plant and atmosphere; they are present on the aerial portions of most higher plants. Genetic pathways controlling stomatal development and distribution have been described in some detail for one dicot species, Arabidopsis, in which three paralogous bHLH transcription factors, FAMA, MUTE and SPCH, control ...

In this paper we develop a continuous-time general equilibrium model in a representative exchange economy with incomplete information. We show, in a multiple assets setting, that state uncertainty risk is priced and commands additional (state-dependent) premium. It is affected by both the investor’s estimate of the state of the economy, as well as the uncertainty about her estimation. Moreover,...

We perform a new analysis of the performance of the wide-band code-division multiple access (W-CDMA) randomized slotted-offset random access channel with Nakagamifading and compare it with the performance of a comparable randomized slotted-ALOHA-based random access channel. In a previous paper, it was shown through simulations that the W-CDMA random access channel is fast, robust, and simple to...

In wireless communication networks, when the workload increases, sources become more aggressive at the equilibrium in the game setting in comparison with the team problem by using slotted Aloha mechanism. Consequently, more packets are in collision and are lost. To reduce these phenomena and to enhance the performance of the networks, we propose to combine ZigZag decoding approach with non coop...

In this paper, results are presented of non-linear finite element simulations performed to investigate the effects of varying the geometry of slotted tubes (stent) using finite element method. The analyses were performed using finite element packages LS-DYNA explicit solver for solution of the problem and ANSYS (Version 5.7) as preand post-processor. The analyses involved five different designs...

Many small-scale wireless networks, such as ad hoc networks, operate in a slotted mode with constant packet sizes. The transreceivers have only modest hardware and hence, queuing performance is an important issue. Performance analysis of slotted systems requires more than simply obtaining the performance figures of discrete-time Markov chains. This paper elucidates the importance of characteriz...

Synopsis. A slotted surface coil, inspired on the cavity magnetron was developed for magnetic resonance imaging (MRI) at 4T. Imaging tests using a saline phantom demonstrated that the slotted surface coil has deeper RF-sensitivity than the single-loop RF-coil. High quality images of two rats were acquired simultaneously using standard spin-echo pulse sequences, demonstrating that the slotted su...

Recent experimental results have shown that the presence of a steady current can significantly reduce the energy of transmitted waves. In this paper, a theory is developed to study the wave scattering by single or double vertical slotted barriers in the presence of a weak uniform current. The quasi-linear theory is based on an eigenfunction expansion method. Comparisons with existing experiment...