risk and return over time time varying investment opportunities

Tài liệu The perception of time, risk and return during periods of speculation pptx

Ngày tải lên : 12/12/2013, 14:15

... stock, and ignore any contributions from its ﬂuctuations The combination of these two hypotheses—that similar risks demand similar returns, and that short-term investors look at risk and return ... invariance principle and its consequences 2.1 A stock’s risk and return Suppose the market consists of (i) a single risk- free bond B of price B that provides a continuous riskless return r, and (ii) the ... both return and risk are evaluated conventionally, in calendar time In later sections, I will also examine the possibility that what matters to investors is not risk and return in calendar time, ...

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Báo cáo hóa học: " Spectrally Efﬁcient Communication over Time-Varying Frequency-Selective Mobile Channels: Variable-Size Burst Construction and Adaptive Modulation" pot

Ngày tải lên : 22/06/2014, 23:20

... efficient and reliable communications in time- varying mobile environments are presented: variable-size burst construction and adaptive modulation It has been shown that, when the underlying timevarying ... identification and equalization of time- varying channels,” Proceedings of the IEEE, vol 86, no 10, pp 1969–1986, 1998 16 [8] I Barhumi, G Leus, and M Moonen, Time- varying FIR equalization for doubly ... attractive framework, with minimal modifications of existing systems, for reliable and efficient communication over time- varying channels When there is no slow state in the underlying channel, the transmission...

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Tài liệu The U.s. Air Force Budget And Posture Over Time docx

Ngày tải lên : 19/02/2014, 09:20

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Báo cáo hóa học: "Code-Aided Estimation and Detection on Time-Varying Correlated Mimo Channels: A Factor Graph Approach" pdf

Ngày tải lên : 22/06/2014, 23:20

... transmissions over time- varying ﬂat fading channels,” IEEE Transactions on Signal Processing, vol 52, no 5, pp 1403–1418, 2004 [9] D Schafhuber, G Matz, and F Hlawatsch, “Kalman tracking of time- varying ... X Ma, and G B Giannakis, “Space -time coding and Kalman ﬁltering for time- selective fading channels,” IEEE Transactions on Communications, vol 50, no 2, pp 183–186, 2002 B D O Anderson and J B ... product of Gaussian pdfs (as in (24) and (26)) and marginalization of a Gaussian pdf (as in (22), (23), and (27)), results in a Gaussian pdf again, all forward and backward messages on the graph...

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báo cáo khoa học: "Opinion leaders and changes over time: a survey" potx

Ngày tải lên : 10/08/2014, 11:20

... the same Ontario surgeons and pathologists in 2005 to determine if opinion leaders remain stable over time, whether opinion leaders are polymorphic or monomorphic, and to determine the reach ... social-networks plots for the 2003 and 2005 surveys are made up of the general surgeon and pathologist respondents to the 2003 and 2005 surveys, respectively, and their nominated opinion leaders ... survey) with respect to sex, age, and clinical experience The second limitation was that 5% of pathologists and 3% of surgeons changed hospitals between 2003 and 2005 and may have disrupted local...

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Dynamic resource allocation for energy constrained wireless networks over time varying channels

Ngày tải lên : 10/09/2015, 15:52

... complexity and high signaling overhead Several suboptimal algorithms with low complexity and reduced overhead are proposed The tradeoﬀ between performance of these algorithms and their complexity and overhead ... computational complexity and high signaling overhead Several suboptimal algorithms with low complexity and reduced overhead are proposed The tradeoﬀ between performance and complexity and overhead is also ... 4.7 4.8 vi 4.9 Lifetime gains of JTPC over UTP and PS vs normalized deviation of observation noise variances 77 4.10 Lifetime gains of JTPC over UTP and PS vs normalized...

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Risk and Return ppsx

Ngày tải lên : 14/08/2014, 11:20

... portfolio and the index fund His expected return increases to 11.5% and the standard deviation of his portfolio decreases to 9.85% 11 No Every stock has unique risk in addition to market risk The ... has a higher expected return and a lower standard deviation 73 Internet exercise; answers will vary depending on time period Internet exercise; answers will vary depending on time period a Expect ... portfolio 1, and so Mr Harrywitz should invest 50 percent in X and 50 percent in Y.-+ 0.15 Expected Return  0.1     0.05 0 0.02 0.04 0.06 0.08 0.1 Standard Deviation a Expected return = (0.6...

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Chapter 5 investments risk and return past and prologue

Ngày tải lên : 06/02/2015, 17:44

... between risky and risk- free assets • Complete Portfolio - Entire portfolio, including risky and risk- free assets Allocating Capital Between Risky & Risk- Free Assets  Possible to split investment ... Between Risky & Risk- Free Assets Issues in setting weights - Examine risk & return tradeoff - Demonstrate how different degrees of risk aversion will affe ct allocations between risky and risk free ... of risk- return trade-off is Sharp e (or reward-to-volatility) measure S = Portfolio risk premium / Standard deviation of portfolio excess return = (E(rp) – rf) / σp (A risk- free asset: a risk...

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Innovations, real options, risk and return, evidence from the pharmaceutical and biotechnology industries

Ngày tải lên : 30/09/2015, 16:34

... FIGURES Figure Page Timeline of Events and Predicted Changes in Risk and Returns 19 Estimates of Time and Cost of Innovative Drug Development 30 Average Raw and Risk- Adjusted Returns for the ... 11 Regressions of Returns and Risk Changes on Growth Options and Firm Characteristics: Drug Applications 12 Regressions of Returns and Risk Changes on Growth Options and Firm Characteristics: ... Together, the time- varying price of risk and costly reversibility result in a higher risk premium of assets in place in bad times Thus, in contrast to Carlson et al (1999) and Gomes, Zhang and Kogan...

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Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece

Ngày tải lên : 05/09/2013, 16:10

... indicator and the basis for calculations of heating and cooling energy demand [1] or for estimating bin data and heating and cooling degree-days at any base [2, 10, 11] Table shows the monthly and ... cooling demands is 28.5% and for Thessaloniki 13.2% Obviously, directly proportional to the energy demand for heating and cooling is the fuel (diesel oil) and electricity consumption and hence ... caution and need further investigation, since the decade time horizon is relative short for drawing solid conclusions regarding the climate and consequently the estimation of energy demands and CO2...

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Forecasting UK GDP growth, inflation and interest rates under structural change: a comparison of models with time-varying parameters potx

Ngày tải lên : 06/03/2014, 14:20

... TVP-VAR (General) Time Varying VAR with time varying degree of parameter drift TVP-VAR (Standard) Time- varying VAR with constant degree of parameter drift TVP-VAR (Homoscedastic) Time- varying VAR with ... include Cogley and Sargent (2002), Cogley and Sargent (2005) and Cogley et al (2008) Benati (2007) and Mumtaz and Sunder-Plassmann (2010) use the time- vaying VAR model to capture the time- varying dynamics ... allowed to be different in expansions and recessions, periods of high or low inﬂation and periods of high and low interest rates While regime-switching and time- varying models can account for this...

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chapter 13 bankruptcy, keep your property and repay debts over time 10th (2010)

Ngày tải lên : 18/04/2014, 14:03

... aids.” TIME MAGAZINE “ Nolo is a pioneer in both consumer and business self-help books and software.” LOS ANGELES TIMES 10th edition Chapter 13 Bankruptcy Keep Your Property & Repay Debts Over Time ... avoid the collection process and keep customers, creditors sometimes will reduce the debtor’s expected payments, extend the time to pay, drop their demands for late fees, and make similar adjustments ... eviction order) While a landlord could come into court and ask the judge to lift the automatic stay and let the eviction proceed, many landlords didn’t know they had this right and many others didn’t...

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Báo cáo hóa học: "Research Article µ-Stability of Impulsive Neural Networks with Unbounded Time-Varying Delays and Continuously Distributed Delays" doc

Ngày tải lên : 21/06/2014, 05:20

... of time- varying delay and the delay kernels hj , j ∈ Λ, and independent of the range of time- varying delay Thus, it can be applied to impulsive neural networks with unbounded time- varying and ... unbounded time- varying delays Moreover, few results have been reported in the literature concerning the problem of μ-stability of impulsive neural networks with unbounded timevarying delays and continuously ... nonnegative continuous functions defined in 0, ∞ and satisfy ∞ hj s ds 2.4 H3 τ t is a nonnegative and continuously differentiable time- varying delay and satisfies τ t ≤ ρ < 1, where ρ is a positive...

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Báo cáo sinh học: " Research Article Estimation of Time-Varying Coherence and Its Application in Understanding Brain Functional Connectivity" potx

Ngày tải lên : 21/06/2014, 16:20

... the underlying two time series at this time instant Similarly, the time- varying coherence function is deﬁned as the normalization of the time- varying cross spectrum The time- varying coherence ... in studying the time- varying characteristic of time series, we estimate the time- varying spectra and coherence of a pair of synthetic nonstationary time series using both the GTand the ST-spectrogram ... neighborhoods (a) in the coordinates of two time instants and (b) in the coordinates of the center time location and the time index diﬀerence (1) The time- varying spectrum, as an energy density function,...

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báo cáo hóa học:" Research Article Channel Characteristics and Performance of MIMO E-SDM Systems in an Indoor Time-Varying Fading Environment" pptx

Ngày tải lên : 21/06/2014, 18:20

... conﬁguration to the MIMO E-SDM performance in timevarying environments We conducted SISO and MIMO measurement campaigns at a 5.2 GHz frequency band in an indoor timevarying fading environment In our measurement ... fast time- varying fading environments Conclusions In this paper, we have presented an experiment for measuring SISO and × MIMO channel responses at the 5.2 GHz frequency band in an indoor time- varying ... September 2002 14 EURASIP Journal on Wireless Communications and Networking [5] G Lebrun, J Gao, and M Faulkner, “MIMO transmission over a time- varying channel using SVD,” IEEE Transactions on Wireless...

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Báo cáo hóa học: "Research Article Linearly Time-Varying Channel Estimation and Symbol Detection for OFDMA Uplink Using " potx

Ngày tải lên : 21/06/2014, 23:20

... mobile velocity In this paper, we focus on the slowly time- varying channel estimation Following the slowly time- varying assumption where the time- varying channel coefficients can be approximated as ... Wireless Communications and Networking [3] G B Giannakis and C Tepedelenlio˘ lu, “Basis expansion g models and diversity techniques for blind identification and equalization of time- varying channels,” ... is linearly time- varying By resorting to the truncated Fourier bases (DFBs) to model the LTV channel, we adopt a two-step approach to estimate the time- varying channel coefficients over multiple...

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Báo cáo hóa học: " Research Article Exponential Stability for Impulsive BAM Neural Networks with Time-Varying Delays and Reaction-Diffusion Terms" doc

Ngày tải lên : 22/06/2014, 19:20

... jth neurons from FV and the ith neurons from FU at time t and in space x, respectively; αi and β j are constants, and denote the external inputs on the ith neurons from FU and the jth neurons ... respectively; τi j (t) and σ ji (t) correspond to the transmission delays and satisfy ≤ τi j (t) ≤ τi j and ≤ σ ji (t) ≤ σ ji (τi j and σ ji are constants); and b j are positive constants, and denote the ... uniqueness, and global exponential stability of equilibrium point for impulsive BAM neural networks with time- varying delays and reactiondiﬀusion terms, without assuming the boundedness, monotonicity, and...

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Báo cáo hóa học: " Editorial Reliable Communications over Rapidly Time-Varying Channels" pptx

Ngày tải lên : 22/06/2014, 23:20

... algorithms exploiting frequency /time- multiplexed pilots The tenth paper by Mallik and Koetter proposes a generalized multicarrier scheme for time- varying channels with modulating and demodulating functions ... single-input single-output (SISO) system, and this is accentuated when time- varying channels are involved That is why channel estimation and data detection over fast fading MIMO channels will become ... channel estimation and data detection approach for MIMO channels exploiting error-correcting codes and time- multiplexed pilots is presented in the thirteenth paper by Simoens and Moeneclaey A related...

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Báo cáo hóa học: " RD Optimized, Adaptive, Error-Resilient Transmission of MJPEG2000-Coded Video over Multiple Time-Varying Channels" potx

Ngày tải lên : 22/06/2014, 23:20

... RCPC, and cyclic redundancy-check codes The SPIHT encoder and RCPC codes were used by [7] for source and channel coding, respectively, and transmitted the protected bitstream over a time- varying ... protection and (d), (e), (f) basic protection, all transmitted over a single channel with bandwidths of 30 000, 25 000, and 15 000 bps (τ ∼ 10 s) Table 5: PSNR (dB) values for packets over two time- varying ... tiles are 60 × 60 pixels Tables 1, 2, and show the S Bezan and S Shirani Table 1: PSNR (dB) values for tiles over a single time- varying channel of indicated bandwidth Sequence τ (s) 10 Mobile 10...

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CHAPTER 10: TIME-VARYING FIELDS AND MAXWELL''''S EQUATIONS pot

Ngày tải lên : 07/08/2014, 20:23

... on a charge is related to E and to B, and some good arguments may be presented showing an analogy between E and B and between D and H We shall omit them, however, and merely say that the concept ... Contents | TIME- VARYING FIELDS AND MAXWELL'S EQUATIONS We now wish to define suitable time- varying potentials which are consistent with the above expressions when only static charges and direct ... conditions r Á A 0, and (52) and (53) reduce to (48) and (47), respectively We shall therefore assume that the time- varying potentials may be defined in such a way that B and E may be obtained...

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