Results 121 to 130 of about 93,922 (285)
IRT‐based response style models and related methodology: Review and commentary
British Journal of Mathematical and Statistical Psychology, EarlyView.Abstract We provide a review and commentary on recent methodological research related to item response theory (IRT) modelling of response styles in psychological measurement. Our review describes the different categories of IRT models that have been proposed, their associated assumptions and extensions, and the varying purposes they can serve.
Daniel M. Bolt, Lionel Meng
wiley +1 more source
Modeling Responses and Response Times in Tests With the Hierarchical Model and the Three-Parameter Lognormal Distribution. [PDF]
Educ Psychol Meas, 2020 Ranger J, Kuhn JT, Ortner TM.
europepmc +1 more source
Mixed Lognormal Distributions for Derivatives Pricing and Risk-Management [PDF]
Many derivatives prices and their Greeks are closed-form expressions in the Black-Scholes model; when the terminal distribution is a mixed lognormal, prices and Greeks for these derivatives are then a weighted average of these closed-form) expressions ...
Dietmar Leisen
core
Aggregate productivity effect of labour and capital market distortions in Canada
Canadian Journal of Economics/Revue canadienne d'économique, EarlyView.Abstract How efficiently are workers, investment capital, and production distributed across firms in Canada? And how have they varied over time, across regions, and between sectors? To answer these questions, we present novel measures of the degree of resource misallocation over time and space using uniquely detailed firm‐level data (T2‐LEAP) between ...
Yu Chen, Trevor Tombe
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Estimating the total mortality of seabirds following a marine heat wave
Conservation Biology, EarlyView.Abstract Marine heat waves detrimentally affect a range of marine species, including seabirds, and are increasing in frequency and severity. When thousands of dead seabirds wash up on beaches, the public becomes concerned. However, the number of dead birds recorded on beaches is only a fraction of the total mortality; most birds perish at sea.
Jennifer L. Lavers +3 more
wiley +1 more source
The Economic History Review, EarlyView.Abstract We develop new datasets of monthly grain prices in 14 urban markets and of the storage and marketing of grain by 5 rural estates located in western Germany between the late seventeenth century and c. 1860. We explore whether observed patterns of monthly prices, sales, and storage of grain are consistent with the rational competitive storage ...
Matthias Hartermann +2 more
wiley +1 more source
Life Cycle Consumption and Portfolio Choice Under Real Interest Rate Risk
Financial Management, EarlyView.ABSTRACT We set up a life cycle model with real interest rate risk to demonstrate that real interest rates have implications for optimal household consumption and investments. Lower interest rates lead to higher optimal stock investments and lower consumption.
Marcel Fischer, Natascha Jankowski
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Revista Colombiana de Estadística, 2011 Existen varias versiones de la distribución lognormal en la literatura estadística y una de ellas está basada en la transformación exponencial de la distribución normal generalizada (NG).
FREDDY HERNÁNDEZ, OLGA CECILIA USUGA
doaj
Statistical properties of the telephone network
Вісник Харківського національного університету імені В.Н. Каразіна. Серія: Математичне моделювання, інформаційні технології, автоматизовані системи управління, 2019 The directed network of telephone subscribers is considered in the article. It can be described as a dynamic network with vertices that correspond to the subscribers of the telephone network and emerging directional edges that correspond to the ...
Yanovsky Volodymyr Volodymyrovych
doaj +1 more source
Dynamics of High‐Growth Young Firms and the Role of Venture Capitalists
International Economic Review, EarlyView.ABSTRACT Motivated by the substantial growth and upfront investments of venture capital (VC)‐backed firms observed in administrative US Census data, this study develops a life‐cycle firm dynamics model. In the model, startups choose the source of financing from VC, angel investors, or banks, depending on their growth potential, and invest in innovation.
Yoshiki Ando
wiley +1 more source