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Journal articles on the topic 'Certainty equivalent rate'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

He, Yifan, and Svetlozar Rachev. "Exploring Implied Certainty Equivalent Rates in Financial Markets: Empirical Analysis and Application to the Electric Vehicle Industry." Journal of Risk and Financial Management 16, no. 7 (2023): 344. http://dx.doi.org/10.3390/jrfm16070344.

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In this paper, we mainly study the impact of the implied certainty equivalent rate on investment in financial markets. First, we derived the mathematical expression of the implied certainty equivalent rate by using put-call parity, and then we selected some company stocks and options; we considered the best-performing and worst-performing company stocks and options from the beginning of 2023 to the present for empirical research. By visualizing the relationship between the time to maturity, moneyness, and implied certainty equivalent rate of these options, we have obtained a universal conclusi

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2

Freeman, Mark C., and Ben Groom. "How certain are we about the certainty-equivalent long term social discount rate?" Journal of Environmental Economics and Management 79 (September 2016): 152–68. http://dx.doi.org/10.1016/j.jeem.2016.06.004.

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3

Klemperer, W. David, James F. Cathcart, Thomas Häring, and Ralph J. Alig. "Risk and the discount rate in forestry." Canadian Journal of Forest Research 24, no. 2 (1994): 390–97. http://dx.doi.org/10.1139/x94-052.

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One of the most common ways to account for investment risk is to add a risk premium to the risk-free discount rate when computing present values of expected revenues which are uncertain. Using certainty-equivalent analysis, we show that the correct risk premium for short-term investments can easily be in the commonly used 7-percentage-point range. But for such risk premiums to be appropriate for long-term forestry investments, the necessary certainty-equivalent conditions often seem to be unreasonably restrictive. Results suggest that the appropriate risk premium may decline with lengthening p

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DEVADOSS, STEPHEN, and JEFF LUCKSTEAD. "EFFECTS OF THE 2014 FARM BILL POLICIES ON COTTON PRODUCTION." Journal of Agricultural and Applied Economics 50, no. 2 (2018): 169–87. http://dx.doi.org/10.1017/aae.2017.28.

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AbstractWe develop a model for a representative risk-averse cotton farmer to analyze the impact of crop insurance policies (Revenue Protection [RP], Yield Protection, Stacked Income Protection Plan [STAX], and Supplemental Coverage Option [SCO]). The model is calibrated and numerically optimized to quantify the effects of different insurance policy combinations on input use (moral hazard), insurance coverage levels, premiums, and certainty equivalent. When the farmer elects only RP, the optimal coverage rate is 80%. Under RP and STAX, the optimal RP coverage rate is 70% and the STAX coverage r

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5

Balbus, Łukasz. "On recursive utilities with non-affine aggregator and conditional certainty equivalent." Economic Theory 70, no. 2 (2019): 551–77. http://dx.doi.org/10.1007/s00199-019-01221-8.

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Abstract In this paper, we consider the problem of the existence and the uniqueness of a recursive utility function defined on intertemporal lotteries. The purpose of this paper is to provide the results of the existence and the uniqueness of a recursive utility function. The utility function is obtained as the limit of iterations on a nonlinear operator and is independent on initial starting points, with iterations converging at an exponential rate. We also find the maximum utility and an optimal strategy by means of iterations of the Bellman operator.

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Groom, Ben, Phoebe Koundouri, Ekaterini Panopoulou, and Theologos Pantelidis. "Discounting the distant future: How much does model selection affect the certainty equivalent rate?" Journal of Applied Econometrics 22, no. 3 (2007): 641–56. http://dx.doi.org/10.1002/jae.937.

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Luo, Zhongde, та Shide Ou. "The almost sure convergence rate of the estimator of optimized certainty equivalent risk measure under α-mixing sequences". Communications in Statistics - Theory and Methods 46, № 16 (2016): 8166–77. http://dx.doi.org/10.1080/03610926.2016.1175630.

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8

Nippani, Srinivas. "Why the risk-adjusted discount rate method is a better method than the certainty equivalent method: a teaching perspective." Afro-Asian J. of Finance and Accounting 7, no. 2 (2017): 147. http://dx.doi.org/10.1504/aajfa.2017.084225.

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Nippani, Srinivas. "Why the risk-adjusted discount rate method is a better method than the certainty equivalent method: a teaching perspective." Afro-Asian J. of Finance and Accounting 7, no. 2 (2017): 147. http://dx.doi.org/10.1504/aajfa.2017.10005180.

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10

Moore, Mark A., Anthony E. Boardman, and Aidan R. Vining. "Risk in Public Sector Project Appraisal: It Mostly Does Not Matter!" Public Works Management & Policy 22, no. 4 (2017): 301–21. http://dx.doi.org/10.1177/1087724x17709482.

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Public project appraisal using cost-benefit analysis (CBA) requires analysts to project risky net benefits and to convert these into present values using a social discount rate (SDR). We consider which types of risk matter for CBA. For small projects with only idiosyncratic risks, expected net benefits should be discounted at a risk-free SDR. If projects are large or expected net benefits are correlated with aggregate consumption, the alternatives are to replace expected net benefits with their certainty equivalents (CEs) and to discount these at a risk-free SDR, or to discount expected net be

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11

Carroll, Christopher D. "A Theory of the Consumption Function, With and Without Liquidity Constraints." Journal of Economic Perspectives 15, no. 3 (2001): 23–45. http://dx.doi.org/10.1257/jep.15.3.23.

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This paper argues that the modern stochastic consumption model, in which impatient consumers face uninsurable labor income risk, matches Milton Friedman's (1957) original description of the Permanent Income Hypothesis much better than the perfect foresight or certainty equivalent models did. The model can explain the high marginal propensity to consume, the high discount rate on future income, and the important role for precautionary behavior that were all part of Friedman's original framework. The paper also explains the relationship of these questions to the Euler equation literature, and ar

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ALTAY, SÜHAN, KATIA COLANERI, and ZEHRA EKSI. "PAIRS TRADING UNDER DRIFT UNCERTAINTY AND RISK PENALIZATION." International Journal of Theoretical and Applied Finance 21, no. 07 (2018): 1850046. http://dx.doi.org/10.1142/s0219024918500462.

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In this work, we study a dynamic portfolio optimization problem related to pairs trading, which is an investment strategy that matches a long position in one security with a short position in another security with similar characteristics. The relationship between pairs, called a spread, is modeled by a Gaussian mean-reverting process whose drift rate is modulated by an unobservable continuous-time, finite-state Markov chain. Using the classical stochastic filtering theory, we reduce this problem with partial information to an equivalent one with full information and solve it for the logarithmi

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Laborda, Juan, and Ricardo Laborda. "Can tree-structured classifiers add value to the investor?" Finance Research Letters 22, August 2017 (2017): 211–26. https://doi.org/10.1016/j.frl.2017.06.002.

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We analyse the investor welfare gain of including tree-structured classifiers’ predictions about the relative performance of stock vs. cash. The CART, bagging, and random forest methods select the VIX level and momentum, the earning bond yield level and momentum, and the detrended risk-free rate as the most important state variables to predict the outperformance of the S&P 500 vs. cash out-of-sample. These tree-structured classifiers’ predictions are used as a binary state variable to estimate optimal investor portfolios that also deliver out-of-sample higher Sharpe ratios and

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14

Fiore, Giorgio, Leonardo Tariciotti, Giulio Andrea Bertani, et al. "Surgery vs. Radiosurgery for Patients with Localized Metastatic Brain Disease: A Systematic Review with Meta-Analysis of Randomized Controlled Trials." Cancers 15, no. 15 (2023): 3802. http://dx.doi.org/10.3390/cancers15153802.

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Purpose: To analyze the efficacy and safety of surgery compared to radiosurgery (RS), combined or not with whole brain radiotherapy (WBRT), for localized metastatic brain disease. Methods: A systematic review with meta-analysis was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 guidelines. The inclusion criteria were limited to randomized controlled trials (RCTs) that compared surgery and RS for patients with up to 3 metastases (median diameter ≤ 4 cm). The primary outcomes were represented by overall survival (OS) and local brain progr

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15

RAMIREZ, HUGO E., PETER DUCK, PAUL V. JOHNSON, and SYDNEY HOWELL. "HEDGE-FUND MANAGEMENT WITH LIQUIDITY CONSTRAINT." International Journal of Theoretical and Applied Finance 22, no. 06 (2019): 1950026. http://dx.doi.org/10.1142/s0219024919500262.

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We propose a model for a manager of a hedge fund with a liquidity constraint, where he is seeking to optimize his utility of wealth, with one and multiple period horizons. By using stochastic control techniques, we state the corresponding multi-dimensional Hamilton–Jacobi–Bellman partial differential equation and we use a robust numerical approximation to obtain its unique viscosity solution. We examine the effects of the liquidity constraint on managerial trading decisions and optimal allocation, finding that the manager behaves in a less risky manner. We also calculate the cost of being at s

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Feltham, Gerald A., and James A. Ohlson. "Residual Earnings Valuation With Risk and Stochastic Interest Rates." Accounting Review 74, no. 2 (1999): 165–83. http://dx.doi.org/10.2308/accr.1999.74.2.165.

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This paper provides a general version of the accounting-based valuation model that equates the market value of a firm's equity to book value plus the present value of expected abnormal earnings. Prior theoretical work (e.g., Ohlson 1995; Feltham and Ohlson 1995, 1996) assumes investors are risk neutral and interest rates are nonstochastic and flat. Our more general analysis rests on only two assumptions: no arbitrage in financial markets and clean surplus accounting. These assumptions imply a risk-adjusted formula for the present value of expected abnormal earnings. The risk adjustments consis

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Butow, Phyllis N., David Goldstein, Melaine L. Bell, et al. "Interpretation in Consultations With Immigrant Patients With Cancer: How Accurate Is It?" Journal of Clinical Oncology 29, no. 20 (2011): 2801–7. http://dx.doi.org/10.1200/jco.2010.34.3335.

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Purpose Immigrants with cancer often have professional and/or family interpreters to overcome challenges communicating with their health team. This study explored the rate and consequences of nonequivalent interpretation in medical oncology consultations. Patients and Methods Consecutive immigrant patients with newly diagnosed with incurable cancer, who spoke Arabic, Cantonese, Mandarin, or Greek, were recruited from the practices of 10 medical oncologists in nine hospitals. Their first two consultations were audio taped, transcribed, translated into English and coded. Results Thirty-two of 78

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18

Mantovani, Guido Max, and Gregory Gadzinski. "How to Rate the Financial Performance of Private Companies? A Tailored Integrated Rating Methodology Applied to North-Eastern Italian Districts." Journal of Risk and Financial Management 15, no. 11 (2022): 493. http://dx.doi.org/10.3390/jrfm15110493.

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This paper contributes to solving the puzzle of assessing the financial performance of private/unlisted companies. The inner characteristics of these companies make the adoption of traditional best practices in estimating risk premia difficult or impossible. Moreover, the lack of market data and comparable information biases the perception of corporate performance and generates the misallocation of credit fundings (both quantities and pricing). Hence, in this paper, we develop an Integrated Rating Methodology (IRM) to estimate a more efficient corporate “return-to-risk” measure. Our IRM is roo

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19

Susilo, Edi, and A. Khoirul Anam. "SHARIA COMPLIENCE AKAD BERBASIS NATURAL UNCERTAINTY CONTRACT (NUC) LEMBAGA KEUANGAN MIKRO SYARIAH DI KABUPATEN JEPARA." al-Uqud : Journal of Islamic Economics 2, no. 1 (2018): 20. http://dx.doi.org/10.26740/al-uqud.v2n1.p20-37.

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Financing in Sharia Micro Financing Institutions (BMT) is dominated by certainty contracts, as it has less risk than syirkah contract like Mudharabah or Musyarakah based on Natural Uncertainty Contract (NUC). Implementation constraints syirkah contracts exist on both parties, financial institutions and clients. due to lack of financial reports, honesty and transparency of the client's business (asismetric information). The Client gives a business report if the results obtained are small or equivalent to the bank interest rate, but if the business profit is good, then the profit share must be h

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20

He, Fei, Tatiana Borisova, Kevin Athearn, Robert Hochmuth, and Charles Barrett. "Choosing Nitrogen Application Rate Recommendation Given Florida’s Regulatory Water Policy." HortScience 57, no. 11 (2022): 1387–96. http://dx.doi.org/10.21273/hortsci16656-22.

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State and federal policies in the United States focus on agricultural best management practices (BMP)—such as improving nutrient management—to address water quality issues. BMP development is a challenging process as a new BMP may also affect farm profitability. This article explores the economic feasibility of nitrogen (N) management programs, including nitrogen application rates (N rates), given alternative scenarios for current nitrogen use and producer risk perceptions of carrot production in Florida. In this study, eight alternative N rates are ranked to find the economically optimal BMP.

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21

FAN, GUOBIN, and YONG ZENG. "THE TIMING OF PORTFOLIO ADJUSTMENTS: A REGIME-SWITCHING APPROACH." International Journal of Information Technology & Decision Making 11, no. 05 (2012): 909–33. http://dx.doi.org/10.1142/s0219622012500265.

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The fact that the relationships among the returns of financial assets tend to be nonlinear and time-varying has important implications for asset allocation. To describe these two features, this paper first combines a copula function with the Markov switching technique to model the dependence structure across assets and then builds on this Markov Switching Copula model to present a procedure for the timing of portfolio adjustments. Our empirical evidence confirms that the dependence structure between high-risk and low-risk stocks in the Shanghai and Shenzhen markets is not static but switches b

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22

Jun, Ji Hee, Hye Won Lee, Junhua Zhang, Fengwen Yang, and Myeong Soo Lee. "Herbal Medicines (Danggui Liuhuang Decoctions) for Management of Menopausal Symptoms: A Systematic Review of Randomized Controlled Trials." Journal of Clinical Medicine 9, no. 6 (2020): 1778. http://dx.doi.org/10.3390/jcm9061778.

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Danggui Liuhuang (DLH) decoctions are traditional herbal medicines that are widely used for menopausal symptoms. The objective of this systematic review was to investigate evidence of the efficacy of DLH decoctions for menopausal symptoms. Fifteen databases were searched from inception until 29 May, 2020. We included randomized controlled trials (RCTs) testing any type of DLH decoction. All RCTs investigating DLH decoctions or modified DLH decoctions were included. The methodological quality of the RCTs was evaluated using Cochrane’s risk of bias assessment tool. We measured the certainty of e

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Michalski, Andrzej, Małgorzata Rogaczewska, Magdalena Maleszka-Kurpiel, and Marcin Stopa. "Pharmacological Myopia Control Influence on Quality of Life and Psyche among Adolescents." Journal of Clinical Medicine 9, no. 12 (2020): 3920. http://dx.doi.org/10.3390/jcm9123920.

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Myopia is a global problem affecting all aspects of patients’ lives. Objectives: The aim of the study was to evaluate the influence of low dose atropine (LDA) myopia control on the quality of life in patients with myopia. Material and Methods: A self-constructed questionnaire, including eight questions, was distributed among 40 patients. The questionnaire was divided into two subsections: (1) influence of LDA on visual functions and (2) influence of LDA on self-esteem. Answers were collected separately for boys (18 patients) and girls (22 patients) and compared considering spherical equivalent

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Jun, Ji Hee, Lin Ang, Tae Young Choi, Hye Won Lee, and Myeong Soo Lee. "Integrative Medicine (Herbal Medicine Combined with Drug Therapy) for Behcet’s Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials." Pharmaceutics 13, no. 4 (2021): 476. http://dx.doi.org/10.3390/pharmaceutics13040476.

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This review aimed to investigate the efficacy of integrative medicine (herbal medicine combined with drug therapy) in the treatment of Behcet’s disease (BD). Eleven databases were searched from their inception to 7 December 2020, for randomized control trials (RCTs) that reported the effects of integrative medicine in treating BD. The risk of bias was assessed using seven domain criteria from the Cochrane Collaboration tool. Grading of Recommendations Assessment, Development, and Evaluation (GRADE) was used to assess the quality of evidence. The direction of the effect is also shown in the for

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Buła, Rafał, and Monika Foltyn-Zarychta. "Declining Discount Rates for Energy Policy Investments in CEE EU Member Countries." Energies 16, no. 1 (2022): 321. http://dx.doi.org/10.3390/en16010321.

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Energy policy investments are usually evaluated using a cost-benefit analysis (CBA), which requires an estimation of the social discount rate (SDR). The choice of SDR can be crucial for the outcome of the appraisal, as energy-related investments generate long-term impacts affecting climate change. Once discounted, these impacts are highly sensitive to slight changes in the value of the SDR. Some countries (the UK and France) switched from a constant SDR to the declining rate scheme—a solution that limits the impact sensitivity. To our knowledge, none of the CEE countries apply DDR in CBA. Whil

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Walsh, David, Elaine Tod, Gerry McCartney, and Kate Ann Levin. "How much of the stalled mortality trends in Scotland and England can be attributed to obesity?" BMJ Open 12, no. 12 (2022): e067310. http://dx.doi.org/10.1136/bmjopen-2022-067310.

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ObjectivesThe rate of improvement in all-cause mortality rates has slowed in the UK since around 2012. While evidence suggests that UK Government ‘austerity’ policies have been largely responsible, it has been proposed that rising obesity may also have contributed. The aim here was to estimate this contribution for Scotland and England.MethodsWe calculated population attributable fractions (PAFs) resulting from changes in Body Mass Index (BMI) between the mid-1990s and late 2000s for all-cause mortality among 35–89-year olds in 2017–2019. We used BMI data from national surveys (the Scottish He

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De Almeida, Luiza Heloá Ferreira, Sidney Araujo Cordeiro, Rafaella Silva Pereira, Luiz Carlos Couto, and Klaus Wesley de Souza Lacerda. "VIABILIDADE ECONÔMICA DA PRODUÇÃO DE CAJU (Anacardium occidentale L.)." Nativa 5, no. 1 (2017): 09–15. http://dx.doi.org/10.31413/nativa.v5i1.4115.

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O artigo analisa a viabilidade econômica de um plantio de caju anão a partir das estimativas de custos e receitas da produção da castanha e do pedúnculo. Também foi realizada análise de sensibilidade para aferir a influência das variáveis: produção do pedúnculo; produção da castanha; preço do pedúnculo; preço da castanha; e custo de implantação na rentabilidade do cultivo. Utilizou-se os métodos: valor presente líquido (VPL); taxa interna de retorno (TIR); valor periódico equivalente (VPE) e razão benefício/custo (B/C). Para análise de sensibilidade fez-se variações de ±30% nas variáveis. O pr

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Gros, Claudius, Roser Valenti, Lukas Schneider, Benedikt Gutsche, and Dimitrije Marković. "Predicting the cumulative medical load of COVID-19 outbreaks after the peak in daily fatalities." PLOS ONE 16, no. 4 (2021): e0247272. http://dx.doi.org/10.1371/journal.pone.0247272.

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The distinct ways the COVID-19 pandemic has been unfolding in different countries and regions suggest that local societal and governmental structures play an important role not only for the baseline infection rate, but also for short and long-term reactions to the outbreak. We propose to investigate the question of how societies as a whole, and governments in particular, modulate the dynamics of a novel epidemic using a generalization of the SIR model, the reactive SIR (short-term and long-term reaction) model. We posit that containment measures are equivalent to a feedback between the status

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Christensen, Peter O., and Zhenjiang Qin. "Information and Heterogeneous Beliefs: Cost of Capital, Trading Volume, and Investor Welfare." Accounting Review 89, no. 1 (2013): 209–42. http://dx.doi.org/10.2308/accr-50605.

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ABSTRACTIn an incomplete market with heterogeneous prior beliefs, we show that public information can have a substantial impact on the ex ante cost of capital, trading volume, and investor welfare. The Pareto efficient public information system is the system enjoying the maximum ex ante cost of capital and the maximum expected abnormal trading volume. Imperfect public information increases the gains-to-trade based on heterogeneously updated posterior beliefs. In an exchange economy, this leads to higher growth in the investors' certainty equivalents and, thus, a higher equilibrium interest rat

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Agrawal, Rajeev. "Minimizing the learning loss in adaptive control of Markov chains under the weak accessibility condition." Journal of Applied Probability 28, no. 4 (1991): 779–90. http://dx.doi.org/10.2307/3214681.

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We consider the adaptive control of Markov chains under the weak accessibility condition with a view to minimizing the learning loss. A certainty equivalence control with a forcing scheme is constructed. We use a stationary randomized control scheme for forcing and compute a maximum likelihood estimate of the unknown parameter from the resulting observations. We obtain an exponential upper bound on the rate of decay of the probability of error. This allows us to choose the rate of forcing appropriately, whereby we achieve a o(f(n) log n) learning loss for any function as .

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Agrawal, Rajeev. "Minimizing the learning loss in adaptive control of Markov chains under the weak accessibility condition." Journal of Applied Probability 28, no. 04 (1991): 779–90. http://dx.doi.org/10.1017/s0021900200042698.

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We consider the adaptive control of Markov chains under the weak accessibility condition with a view to minimizing the learning loss. A certainty equivalence control with a forcing scheme is constructed. We use a stationary randomized control scheme for forcing and compute a maximum likelihood estimate of the unknown parameter from the resulting observations. We obtain an exponential upper bound on the rate of decay of the probability of error. This allows us to choose the rate of forcing appropriately, whereby we achieve a o(f(n) log n) learning loss for any function as .

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Andreasen, Martin M., and Anders F. Kronborg. "The extended perturbation method: With applications to the New Keynesian model and the zero lower bound." Quantitative Economics 13, no. 3 (2022): 1171–202. http://dx.doi.org/10.3982/qe1102.

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We introduce the extended perturbation method, which improves the accuracy of standard perturbation by reducing approximation errors under certainty equivalence. For the New Keynesian model with Calvo pricing, extended perturbation is more accurate than standard perturbation, which implies explosive dynamics because it omits the upper bound on inflation implied by this model. In contrast, extended perturbation enforces this bound and generates stable dynamics. We also show that extended perturbation can accurately solve a New Keynesian model that enforces the zero lower bound for the monetary

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Wautelet, Gaetan, Luc Papeleux, and Jean Philippe Ponthot. "The Influence of Equivalent Contact Area Computation in 3D Extended Node to Surface Contact Elements." Key Engineering Materials 681 (February 2016): 19–46. http://dx.doi.org/10.4028/www.scientific.net/kem.681.19.

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This paper extends the frictionless penalty-based node to contact formulation with area regularization to a 3D framework. Based on our previous work [1] focused on axisymmetric modeling, two computational methods are also considered for the determination of the slave node area. The first method, named as the geometrical approach, is based on a force equivalence system, while the second one, named as the consistent approach, is derived from a more sophisticated scheme elaborated upon the virtual work principle. Then, the extended contact elements are derived for the contact formulations with ge

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Muliasari, Ataline. "Penentuan Kawasan Kebisingan Bandara Polonia Medan." WARTA ARDHIA 37, no. 2 (2012): 164–76. http://dx.doi.org/10.25104/wa.v37i2.104.164-176.

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Density rate of arrival and departure of aircraft would cause noise pollution and air area of the airport. Meanwhile, the international demands the maintenance of environmental conditions in the world.For people who live near the airport will certainly feel uncomfortable and unhealthy. ICAO (International Civil Aviation Organization) as the agency responsible for civil aviation is clearly not turning a blind eye on this. Thus enforcing the regulations limiting noise / noise limit. Until now, the area of airport noise is determined based on forecasts of aircraft, frequency and period of time ai

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Plahotnyаyа, D. P., E. A. Buraeva, and V. I. Ratushnyj. "Radioecological situation in certain areas of the Southern Federal District." Global Nuclear Safety, no. 1 (March 27, 2024): 22–28. http://dx.doi.org/10.26583/gns-2024-01-03.

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Radioecological monitoring of natural and urban areas is intended not only to assess the consequences of the operation of nuclear fuel energy enterprises, but also to ensure radiation safety of humans and the environment. This type of research allows not only to identify areas with increased background radiation, but also to reduce social tension in the population associated with radiophobia. This paper presents the results of long-term studies of the ambient dose equivalent rate (ADR) of gamma radiation within urban and rural settlements of the Southern Federal District using the example of t

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Setyarini, Rahmania, and Setyo Admoko. "Penerapan Strategi Pembelajaran Konflik Kognitif dalam Mereduksi Miskonsepsi Siswa pada Materi Gelombang Bunyi." IPF: Inovasi Pendidikan Fisika 10, no. 3 (2022): 40–55. http://dx.doi.org/10.26740/ipf.v10n3.p40-55.

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Strategi pembelajaran konflik kognitif merupakan strategi pembelajaran dimana siswa akan dihadapkan pada situasi dimana siswa tersebut akan mengalami pertentangan dengan dirinya sendiri mengenai pengetahuan baru yang didapatkan dengan pengetahuan yang selama ini dimilikinya. Tujuan dari penelitian ini yaitu untuk mengetahui profil miskonsepsi siswa pada materi gelombang bunyi serta menganalisis pengaruh penerapan strategi pembelajaran konflik kognitif dalam mereduksi miskonsepsi siswa. Metode penelitian yang digunakan dalam penelitian ini adalah mixed-method explanatory sequential design denga

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Rowell, T. E. "Beyond the One-Male Group." Behaviour 104, no. 3-4 (1988): 189–201. http://dx.doi.org/10.1163/156853988x00511.

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AbstractSocial systems are not necessarily equivalent to mating systems. Observation is prerequisite for control of one animal by another. It is not possible without extremely good visibility, which is rare. Nonetheless most social theories assume such control. Neither social position nor copulation guarantee paternity. It is important that biochemical tests provide certainty of paternity in as many studies as possible, so that assumptions about behavioural determinants of reproductive success can be tested. The function of fighting is discussed. Males spend more of their time cooperating than

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Burgaard, Johan, and Mogens Steffensen. "Eliciting Risk Preferences and Elasticity of Substitution." Decision Analysis 17, no. 4 (2020): 314–29. http://dx.doi.org/10.1287/deca.2020.0415.

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Risk aversion and elasticity of intertemporal substitution (EIS) are separated via the celebrated recursive utility building on certainty equivalents of indirect utility. Based on an alternative separation method, we formulate a questionnaire for simultaneous and consistent estimation of risk aversion, subjective discount rate, and EIS. From a representative group of 1,153 respondents, we estimate parameters for these preferences and their variability within the population. Risk aversion and the subjective discount rate are found to be in the orders of 2 and 0, respectively, not diverging far

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Miksza, Mateusz, Łukasz Bohdal, Paweł Kałduński, Radosław Patyk, and Leon Kukiełka. "Forecasting the Fatigue Strength of DC01 Cold-Formed Angles Using the Anisotropic Barlat Model." Materials 15, no. 23 (2022): 8436. http://dx.doi.org/10.3390/ma15238436.

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The objective of this work is to present the numerical simulation of the air-bending process of DC01 steel. There are plenty of works concerned with assessing the springback phenomenon in the bending process also using anisotropic material models (Hill’s model is widely used). However, very few recent publications are concerned about the fatigue life assessment of bent products. As ensuring the proper fatigue resistance of products is vital for increasing safety and widening the service intervals there is certainly a need to perform investigations in this field. In this work, the air bending s

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Ha, Kristen, Yuli Su, and Yewmun Yip. "Global Diversification of Equity Portfolios: Non-US Perspective." Journal of Finance Issues 6, no. 1 (2008): 1–22. http://dx.doi.org/10.58886/jfi.v6i1.2434.

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The purpose of this paper is to examine the ex-ante performances of international portfolios from a non-U .S. investor's perspective (i.e., Mexican, Thai, German, and British), and to examine whether controlling for exchange rate risk through the use of currency forwards would allow investors to capture additional gains from international diversification. Portfolio strategies such as minimum variance portfolio and the certainty equivalence portfolio are used to construct global portfolios, and their performances on an ex-ante basis are compared to those for domestic portfolios for each of the

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Assaf, A. George, and Mike G. Tsionas. "Diagnostic testing in Bayesian analysis." International Journal of Contemporary Hospitality Management 32, no. 4 (2019): 1449–68. http://dx.doi.org/10.1108/ijchm-03-2019-0255.

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Purpose This paper aims to present several Bayesian specification tests for both in- and out-of-sample situations. Design/methodology/approach The authors focus on the Bayesian equivalents of the frequentist approach for testing heteroskedasticity, autocorrelation and functional form specification. For out-of-sample diagnostics, the authors consider several tests to evaluate the predictive ability of the model. Findings The authors demonstrate the performance of these tests using an application on the relationship between price and occupancy rate from the hotel industry. For purposes of compar

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Chiu, S. S., J. Eftis, and D. L. Jones. "Prediction of Fatigue Life With and Without Hold Times Using the Chaboche Viscoplastic Constitutive Theory." Journal of Engineering Materials and Technology 112, no. 2 (1990): 188–97. http://dx.doi.org/10.1115/1.2903306.

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The titanium alloy Ti-6Al-4V is known to exhibit creep behavior at temperatures as low as room temperature. Consequently, for cyclic loading with hold times it is possible that the rate dependent behavior of Ti-6Al-4V can have negative bearing upon the low cycle fatigue life. If this effect is shown to be present at room temperatures, then it will certainly be magnified and, therefore, very important at elevated temperatures. In order to account for the effects of strain rate dependent deformation in fatigue life prediction methodology, it was considered necessary to incorporate a viscoplastic

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Puzzuoli, Daniel. "Characterization of linear maps onMnwhose multiplicity maps have maximal norm, with an application in quantum information." Quantum 2 (February 5, 2018): 51. http://dx.doi.org/10.22331/q-2018-02-05-51.

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Given a linear mapΦ:Mn→Mm, its multiplicity maps are defined as the family of linear mapsΦ⊗idk:Mn⊗Mk→Mm⊗Mk, whereidkdenotes the identity onMk. Let‖⋅‖1denote the trace-norm on matrices, as well as the induced trace-norm on linear maps of matrices, i.e.‖Φ‖1=max{‖Φ(X)‖1:X∈Mn,‖X‖1=1}. A fact of fundamental importance in both operator algebras and quantum information is that‖Φ⊗idk‖1can grow withk. In general, the rate of growth is bounded by‖Φ⊗idk‖1≤k‖Φ‖1, and matrix transposition is the canonical example of a map achieving this bound. We prove that, up to an equivalence, the transpose is the uniqu

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Pérez Matos, Edgar Ademar, Mercedes Aida Osorio Maza, Zoila Emperatriz Ruiz Mostacero, and Luis Alvarado Jaramillo. "MODELAMIENTO MATEMÁTICO APLICADO A CONMINUCIÓN." Revista Cientifica TECNIA 24, no. 1 (2017): 75. http://dx.doi.org/10.21754/tecnia.v24i1.34.

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El modelamiento matemático aplicado a equipos destinados en el proceso de conminución de minerales (chancado, molienda), suelen ser herramientas tan importantes para llegar a simular y luego optimizar procesos metalúrgicos continuos (a nivel industrial); vale decir llegar a predecir el producto granulométrico de un cierto mineral tratado, conociendo tan solo lo del alimento (simulación). Obviamente el modelo almacenará intrínsecamente, inherentemente las características físicas del mineral (dureza, fractura) y operativas del equipo (abertura- CSS).Consiguiendo de esta manera mejorar el rendimi

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Jiang, Yan, Qijian Zhang, Hongjuan Wang, et al. "Effectiveness of silver and iodine dressings on wound healing: a systematic review and meta-analysis." BMJ Open 14, no. 8 (2024): e077902. http://dx.doi.org/10.1136/bmjopen-2023-077902.

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ObjectiveTo evaluate the effects of silver and iodine dressings on healing time, healing rate, exudate amount, pain and anti-infective efficacy.DesignSystematic review and meta-analysis.Data sourcesDatabases including PubMed, Cochrane Library, Embase, Web of Science and CINAHL were surveyed up to May 2024.Eligibility criteriaRandomised controlled trials comparing silver and iodine dressings on wound healing in humans.Data extraction and synthesisEvidence certainty was evaluated using the Grading of Recommendations, Assessment, Development, and Evaluation approach. Data extraction was done inde

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Howson, Geoffrey. "Yet More Maths Problems." National Institute Economic Review 179 (January 2002): 76–86. http://dx.doi.org/10.1177/002795010217900110.

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This article considers several key problems facing the teaching and learning of mathematics at secondary level. In particular, it studies the need for better defined aims for mathematics teaching; the standards currently being attained by students viewed from an international perspective; the validity of many of the assessment procedures on which the government places such emphasis; and the underlying problem, that of an insufficiency of well-qualified mathematics teachers — a problem that, for several decades, governments have chosen to ignore. Suggestions are made on how the various aims of

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Herd, Jake Michael. "‘‘Blocks of Lading"." QUT Law Review 18, no. 2 (2019): 306. http://dx.doi.org/10.5204/qutlr.v18i2.755.

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The bill of lading has, for centuries, been an integral component in the maritime shipping industry. However, the stagnation in the development of this legal instrument is contrasted with the exponential rate of development in other areas of commercial practice, which highlights the financial costs and delays associated with the use of bills of lading. The purpose of this paper is to present a modern alternative to the current paper-based bill of lading system that accounts for the practical and legal requirements of the incumbent instrument and also overcomes the deficiencies inherent in pape

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Skogsvik, Kenth, Stina Skogsvik, and Henrik Andersson. "Bankruptcy Risk in Discounted Cash Flow Equity Valuation." Journal of Risk and Financial Management 16, no. 11 (2023): 476. http://dx.doi.org/10.3390/jrfm16110476.

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We investigate the importance of bankruptcy risk in discounted cash flow (DCF) equity valuation. Our analyses first show how bankruptcy risk is incorporated in DCF valuation, where investment risk is captured by cash flow certainty equivalents. Within this general setting, we find that bankruptcy risk can be captured by discounting factors incorporating period-specific bankruptcy probabilities, allowing the numerators in a DCF valuation model to follow a binary random walk. Elaborating a model of this kind, we assess the value of the equity holders’ limited liability right (the equity holders’

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Kiss, Endre. "Ferdinand Tönnies és a korai társadalomtudományok III." Kaleidoscope history 11, no. 23 (2021): 119–31. http://dx.doi.org/10.17107/kh.2021.23.119-131.

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The theory of society-community stands in the centre of the „social” life. It however also stands in the centre of Tönnies’s positive work itself. This potentiation gives this theory a vitality that is looking for its equivalent and to which little is changed if its presence is not perceived accordingly in every corresponding context. Tönnies is one of the first most important social scientists, who was primarily concerned with being able to investigate society with a strictly scientific character. So he was already therefore much more interested in the optimal way of knowledge than in the div

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Okomayin, A. A., D. Brotobor, A. E. Onyeanusi, and I. B. Alili. "BREAST CONSERVING SURGERY AWARENESS AND ACCEPTANCE AMONG FEMALE NURSES IN IRRUA SPECIALIST TEACHING HOSPITAL." Open Journal of Medical Research (ISSN: 2734-2093) 2, no. 2 (2021): 138–52. http://dx.doi.org/10.52417/ojmr.v2i2.296.

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Introduction: Breast Conserving Surgery (BCS) is oncologically safe for eligible patients with breast cancer and has enormous physical and psychological benefits. Despite this, the mastectomy rate in many centres is still very high. Nurses are frontline staff in healthcare settings and have great contact with the patients. The level of their awareness would have a great impact on patients eligible for breast conservation seeking expert opinion. This study explored the awareness, perception and acceptance of BCS among female nurses in a rural Nigeria tertiary hospital. Methodology: A quas

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