Advanced search options

Advanced Search Options 🞨

Browse by author name (“Author name starts with…”).

Find ETDs with:

in
/  
in
/  
in
/  
in

Written in Published in Earliest date Latest date

Sorted by

Results per page:

Sorted by: relevance · author · university · dateNew search

You searched for subject:(Endogenous Solutions). Showing records 1 – 3 of 3 total matches.

Search Limiters

Last 2 Years | English Only

No search limiters apply to these results.

▼ Search Limiters


Texas A&M University

1. Bakhtavoryan, Rafael Gagik. Endogenous variables and weak instruments in cross-sectional nutrient demand and health information analysis: a comparison of solutions.

Degree: MS, Agricultural Economics, 2004, Texas A&M University

In recent years, increasing attention has turned toward the effect of health information or health knowledge on nutrient intake. In determining the effect of health information on nutrient demand, researchers face the estimation problem of dealing with the endogeneity of health information knowledge. The standard approach for dealing with this problem is an instrumental variables (IV) procedure. Unfortunately, recent research has demonstrated that the IV procedure may not be reliable in the types of data sets that contain health information and nutrient intakes because the instruments are not sufficiently correlated with the endogenous variables (i.e., instruments are weak). This thesis compares the reliability of the IV procedure (and the Hausman test) with a relatively new procedure, directed graphs, given weak instruments. The goal is to determine if the method of directed graphs performs better in identifying an endogenous variable and also relevant instruments. The performance of the Hausman test and directed graphs are first assessed through conducting a Monte-Carlo sampling experiment containing weak instruments. Because the structure of the model is known in the Monte-Carlo experiment, these results are used as a guideline to determine which procedure would be more reliable in a real world setting. The procedures are then applied to a real-world cross-sectional dataset on nutrient intake. This thesis provides empirical evidence that neither the IV estimator (and Hausman test) or the directed graphs are reliable when instruments are weak, as in a cross-sectional dataset. Advisors/Committee Members: Davis, George C. (advisor), McIntosh, W. Alex (committee member), Nichols, John P. (committee member).

Subjects/Keywords: Endogenous; Variabless; Weak; Instruments; Cross-Sectional; Nutrient; Demand; Health; Analysis; Comparison; Solutions

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Bakhtavoryan, R. G. (2004). Endogenous variables and weak instruments in cross-sectional nutrient demand and health information analysis: a comparison of solutions. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/191

Chicago Manual of Style (16th Edition):

Bakhtavoryan, Rafael Gagik. “Endogenous variables and weak instruments in cross-sectional nutrient demand and health information analysis: a comparison of solutions.” 2004. Masters Thesis, Texas A&M University. Accessed August 15, 2020. http://hdl.handle.net/1969.1/191.

MLA Handbook (7th Edition):

Bakhtavoryan, Rafael Gagik. “Endogenous variables and weak instruments in cross-sectional nutrient demand and health information analysis: a comparison of solutions.” 2004. Web. 15 Aug 2020.

Vancouver:

Bakhtavoryan RG. Endogenous variables and weak instruments in cross-sectional nutrient demand and health information analysis: a comparison of solutions. [Internet] [Masters thesis]. Texas A&M University; 2004. [cited 2020 Aug 15]. Available from: http://hdl.handle.net/1969.1/191.

Council of Science Editors:

Bakhtavoryan RG. Endogenous variables and weak instruments in cross-sectional nutrient demand and health information analysis: a comparison of solutions. [Masters Thesis]. Texas A&M University; 2004. Available from: http://hdl.handle.net/1969.1/191

2. Koutchade, Obafèmi-Philippe. Hétérogénéité inobservée et solutions en coin dans les modèles micro-économétriques de choix de production multiculture : Unobserved Heterogeneity and Corner Solution in Micro-econometrics Multicrops Production choice models.

Degree: Docteur es, Sciences économiques, 2018, Rennes, Agrocampus Ouest

Dans cette thèse, nous nous intéressons aux questions de l’hétérogénéité inobservée et des solutions en coin dans les modèles de choix d’assolements. Pour répondre à ces questions, nous nous appuyons sur un modèle de choix de production multicultures avec choix d’assolement de forme NMNL, dont nous proposons des extensions. Ces extensions conduisent à des problèmes spécifiques d’estimation, auxquels nous apportons des solutions. La question de l’hétérogénéité inobservée est traitée en considérant une spécification à paramètres aléatoires. Ceci nous permet de tenir compte des effets de l’hétérogénéité inobservée sur l’ensemble des paramètres du modèle. Nous montrons que les versions stochastiques de l’algorithme EM sont particulièrement adaptées pour estimer ce type de modèle.Nos résultats d’estimation et de simulation montrent que les agriculteurs réagissent de façon hétérogène aux incitations économiques et que ne pas tenir compte de cette hétérogénéité peut conduire à des effets simulés de politiques publique biaisés.Pour tenir compte des solutions en coin dans les choix d’assolement, nous proposons une modélisation basée sur les modèles à changement de régime endogène avec coûts fixes associés aux régimes. Contrairement aux approches basées sur des systèmes de régression censurées, notre modèle est cohérent d’un point de vue micro-économique. Nos résultats montrent que les coûts fixes associés aux régimes jouent un rôle important dans le choix des agriculteurs de produire ou non certaines cultures et qu’ils constituent, à court terme, un déterminant important des c

In this thesis, we are interested in questions of unobserved heterogeneity and corner solutions in acreage choice models. To answer these questions, we rely on a NMNL acreage share multi-crop models, of which we propose extensions. These extensions lead to specific estimation problems, to which we provide solutions.The question of unobserved heterogeneity is dealt with by considering a random parameter specification. This allows us to take into account the effects of the unobserved heterogeneity on all the parameters of the model. We show that the stochastic versions of the EM algorithm are particularly suitable for estimating this type of modelOur estimation and simulation results show that farmers react heterogeneously to economic incentives and that ignoring this heterogeneity can lead to biased simulated effects of public policies.In order to take account of the corner solutions in acreage choices, we propose modelling based on endogenous regime switching models with regime fixed costs. Unlike approaches based on censored regression systems, our model is “fully” consistent from a micro-economic viewpoint. Our results show that the regime fixed costs play an important role in farmers’ choice to produce or not some crops and they are, in the short term, an important determinant of acreage choices.

Advisors/Committee Members: Carpentier, Alain (thesis director).

Subjects/Keywords: Choix d’assolement NMNL; Hétérogénéité inobservée; Solutions en coin; Modèle à paramètres aléatoires; Modèle à changement de régime endogène; Algorithme EM; NMNL acreage choice; Unobserved heterogeneity; Corner solutions; Random parameter models; Endogenous regime switching models; EM algorithm

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Koutchade, O. (2018). Hétérogénéité inobservée et solutions en coin dans les modèles micro-économétriques de choix de production multiculture : Unobserved Heterogeneity and Corner Solution in Micro-econometrics Multicrops Production choice models. (Doctoral Dissertation). Rennes, Agrocampus Ouest. Retrieved from http://www.theses.fr/2018NSARE048

Chicago Manual of Style (16th Edition):

Koutchade, Obafèmi-Philippe. “Hétérogénéité inobservée et solutions en coin dans les modèles micro-économétriques de choix de production multiculture : Unobserved Heterogeneity and Corner Solution in Micro-econometrics Multicrops Production choice models.” 2018. Doctoral Dissertation, Rennes, Agrocampus Ouest. Accessed August 15, 2020. http://www.theses.fr/2018NSARE048.

MLA Handbook (7th Edition):

Koutchade, Obafèmi-Philippe. “Hétérogénéité inobservée et solutions en coin dans les modèles micro-économétriques de choix de production multiculture : Unobserved Heterogeneity and Corner Solution in Micro-econometrics Multicrops Production choice models.” 2018. Web. 15 Aug 2020.

Vancouver:

Koutchade O. Hétérogénéité inobservée et solutions en coin dans les modèles micro-économétriques de choix de production multiculture : Unobserved Heterogeneity and Corner Solution in Micro-econometrics Multicrops Production choice models. [Internet] [Doctoral dissertation]. Rennes, Agrocampus Ouest; 2018. [cited 2020 Aug 15]. Available from: http://www.theses.fr/2018NSARE048.

Council of Science Editors:

Koutchade O. Hétérogénéité inobservée et solutions en coin dans les modèles micro-économétriques de choix de production multiculture : Unobserved Heterogeneity and Corner Solution in Micro-econometrics Multicrops Production choice models. [Doctoral Dissertation]. Rennes, Agrocampus Ouest; 2018. Available from: http://www.theses.fr/2018NSARE048

3. Remmerswaal, N.A. (author). Tra-digital Hybrids: Using digital fabrication to create a hybrid design for developing countries.

Degree: 2015, Delft University of Technology

Can improved technology make a difference in under-served communities to improve the existing build environment in a cultural sustainable way and make possible endogenous solutions? The technical research paper highlights the technical research done to answer this particular question. The research, that focuses on technical solutions to serve the urban poor of the Indonesian kampung, is aimed at providing both self-build solutions as self-sustaining manufacturing processes, making use of both Computer-Aided Design (CAD) and Computer-Aided Manufacturing (CAM). The research is twofold; first the kampung of Indonesia are researched; the site, building methods, materials and the make-up of the Indonesian house are discussed. Second, digital-manufacturing processes are researched using both general literature and reference projects. These reference projects are tested on eight sets of criteria to research their potential when applied in the Indonesian urban kampung. In order of priority they are; Durability, Multi Storey Height, Cost material, Cost Machinery, Local Assembly, Difficulty Assembly, Personalization and Local Materials. From the technical research two most promising project-references were chosen and combined with local building methods in a hybrid to construct both re-usable CNC milled moulds for multi-storey construction, as for constructing bricks.

Architectural Engineering (AE)

Architecture

Architecture and The Built Environment

Advisors/Committee Members: Smit, M. (mentor), Bilow, M. (mentor), Stoutjesdijk, P. (mentor).

Subjects/Keywords: CNC milling; Formwork system; Indonesia; Kampung; Incremental; CAD; CAM; Bandung; Density; Digital fabrication; Construction Knowledge; Informal settlement; Self-Build; Building System; Digital Manufacturing Processes; Urban Poor; Under-served Communities; Endogenous Solutions

Record DetailsSimilar RecordsGoogle PlusoneFacebookTwitterCiteULikeMendeleyreddit

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Remmerswaal, N. A. (. (2015). Tra-digital Hybrids: Using digital fabrication to create a hybrid design for developing countries. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:372c0205-da6b-400e-895c-449513b2c25e

Chicago Manual of Style (16th Edition):

Remmerswaal, N A (author). “Tra-digital Hybrids: Using digital fabrication to create a hybrid design for developing countries.” 2015. Masters Thesis, Delft University of Technology. Accessed August 15, 2020. http://resolver.tudelft.nl/uuid:372c0205-da6b-400e-895c-449513b2c25e.

MLA Handbook (7th Edition):

Remmerswaal, N A (author). “Tra-digital Hybrids: Using digital fabrication to create a hybrid design for developing countries.” 2015. Web. 15 Aug 2020.

Vancouver:

Remmerswaal NA(. Tra-digital Hybrids: Using digital fabrication to create a hybrid design for developing countries. [Internet] [Masters thesis]. Delft University of Technology; 2015. [cited 2020 Aug 15]. Available from: http://resolver.tudelft.nl/uuid:372c0205-da6b-400e-895c-449513b2c25e.

Council of Science Editors:

Remmerswaal NA(. Tra-digital Hybrids: Using digital fabrication to create a hybrid design for developing countries. [Masters Thesis]. Delft University of Technology; 2015. Available from: http://resolver.tudelft.nl/uuid:372c0205-da6b-400e-895c-449513b2c25e

.