Search Results - subject:"Parameters"

Generic Advertising Wearout: the Case of the New York City Fluid Milk Campaign

Reberte, J. Carlos; Kaiser, Harry M.; Lenz, John E.; … - Charles H. Dyson School of Applied Economics and … - 1996

Thispaperexaminestwo majorgenericfluidmilkadvertising campaigns in New York City during the 1986-92 period Estimates from a time-varying parameter model show that the evolution ofthe impact ofgeneric advertising on fluid milk sales over each campaign followed a bell-shaped pattern. Results also...

Persistent link: https://www.econbiz.de/10010921517

Preference Heterogeneity and Willingness to Pay for Travel Time Savings

Amador, Francisco; González, Rosa; Ortúzar, Juan - In: Transportation 32 (2005) 6, pp. 627-647

Persistent link: https://www.econbiz.de/10010989476

Fixed and Random Effects in Stochastic Frontier Models

Greene, Willam - In: Journal of Productivity Analysis 23 (2005) 1, pp. 7-32

reformulated as a special case of the random parameters model. The techniques are illustrated in applications to the U.S. banking …

Persistent link: https://www.econbiz.de/10010865972

Taguchi Method for Improvement in the Quality of Production Processes

Dura, Codruţa - In: Annals of the University of Petrosani, Economics 5 (2005), pp. 107-116

designing production process parameters, efforts which consist of finding the best parameters so that the product should be … these parasites but to minimize their impact upon quality, eliminating the combination of parameters, which reduces …

Persistent link: https://www.econbiz.de/10005169709

Linear time-varying models to investigate complex distributed dynamics: A rainfall-runoff example

Norton, J.P.; Chanat, J.G. - In: Mathematics and Computers in Simulation (MATCOM) 69 (2005) 1, pp. 123-134

unmodelled behaviour can be obtained by allowing selected linear model parameters to vary with time. Those parameters are treated …

Persistent link: https://www.econbiz.de/10010749361

Spectroscopic study of DCM as an active medium for luminescent solar concentrators

Taleb, A.M.; Chiad, Baha T.; Sadik, Zainab S. - In: Renewable Energy 30 (2005) 3, pp. 393-398

Cis and trans isomers have been studied in the solution of the dye DCM. The photophysical parameters of DCM dissolved …

Persistent link: https://www.econbiz.de/10010804702

Estimation of a Simple Queuing System WithUnits-in-Service and Complete Data

Prieger, James E. - Economics Department, University of California-Davis - 2005

likelihood estimators for the time-varying parameters of a simple queuing system based on two kinds of data: complete …

Persistent link: https://www.econbiz.de/10008620469

Study of melting of molecular crystals by a modified Pople–Karasz model

Yazıcı, Mustafa; Özgan, Şükrü; Keskin, Mustafa - In: Physica A: Statistical Mechanics and its Applications 346 (2005) 3, pp. 327-338

A new modified model that combines the modified models of Chandrasekhar et al. with those of Keskin and Özgan, which are based on the Pople–Karasz theory, is applied to study the thermodynamics of melting and solid–solid transitions of molecular crystals. The thermodynamic properties of the...

Persistent link: https://www.econbiz.de/10011063825

Comparisons between simultaneous and componentwise splines for varying coefficient models

Chiang, Chin-Tsang - In: Annals of the Institute of Statistical Mathematics 57 (2005) 4, pp. 637-653

Persistent link: https://www.econbiz.de/10005395809

Modified maximum likelihood estimation of Tobit models with fixed effects: theory and an application to earnings equations

Zambrano, Gabriel Jiménez - In: Investigaciones Economicas 29 (2005) 3, pp. 575-607

to recover the orthogonal parameters, and study the characteristics of the estimators obtained with simulation methods …

Persistent link: https://www.econbiz.de/10005549469