Ekonomi Bölümü Koleksiyonu
Permanent URI for this collectionhttps://hdl.handle.net/20.500.11779/1936
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Conference Object 19th Eurasia Business and Economics Society Conference - Exports in Manufacturing(2016) Karamollaoğlu, Nazlı...Conference Object Assessing Health Care Resource Utilization and Costs Among Us Veterans Diagnosed With Asthma(2016) Ogbomo, A; Tan, H; Kariburyo, F; Xie, L; Başer, Onur...Conference Object Assessing the Economic Burden and Health Care Resource Utilization of Us Veterans With Chronic Obstructive Pulmonary Disease(2016) Ogbomo, A; Tan, H; Kariburyo, F; Xie, L; Başer, Onur...Conference Object Assessing the Economic Burden and Health Care Utilization of Attention Deficit/Hyperactivity Disorder Among Us Medicaid Patients(2016) Zhang Q; Zhao, Y; Keshishian, A; Xie, L; Yuce, H; Başer, Onur...Conference Object Assessing the Economic Burden of Rheumatoid Arthritis Patients With Different Clinical Disease Activity Index Scores: a Probabilistic Matching Study(2016) Kariburyo, F; Du, J; Xie, L; Başer, OnurTo evaluate the health care resource utilization and economic burdenof rheumatoid arthritis (RA) based on the Clinical Disease Activity Index(CDAI). Adult patients diagnosed with RA (International Classificationof Diseases, Ninth Revision, Clinical Modification code 714.xx) were identified froma large claims database and a RA registry from 2006-2015. Patients identified wereprobabilistically matched with a 1:1 ratio based on age, gender, state, and indexyear. The first RA diagnosis date was designated as the index date. Patients wererequired to have continuous health plan enrollment with medical and pharmacybenefits for 12 months post-index date (follow-up period). Patients were classifiedas having high (> 22), moderate (> 10 to ≤ 22), or low disease activity (> 2.8 to ≤ 10),or in remission (0 to ≤ 2.8) based on CDAI scores. All-cause and RA-related healthcare costs and utilization during the follow-up period were assessed. A total of 3,749 matched RA patients were identified, and 24.11%, 31.93%, and26.91% had high, moderate, and low disease activity, respectively, and 17.04% werein remission. RA patients were, on average, age 57 years, 76% were female, andmost resided in Washington (77%), with average all-cause total costs of $27,008and RA-related costs of $5,262 during the 12-month follow-up period. The averagenumber of office visits was higher for patients with high disease activity (12.31),followed by 11.79, 11.71, and 11.59 for patients with moderate disease activity, lowdisease activity, and for those in remission. Primary cost drivers were outpatientand pharmacy costs, resulting in total all-cause costs of $28,054, $27,285, $26,633,and $25,600, and total RA-related costs of $5,511, $5,280, $4,893, and $5,461 forpatients with high, moderate, and low disease activity, and for those in remission,respectively. RA patients with high disease activity, measured byCDAI score, have a substantial economic burden.Conference Object Conference Object Cmars Gmm Estimation for Semi-Parametric Models by Conic Optimization(2015) Kılıç, Erdem; Weber, Gerhard WilhelmThe well-known Generalized Method of Moments (GMM) estimation methodology has been evaluated in various specifications. We propose a novelity in GMM estimation by introducing Conic Quadratic Programming (CQP). The proposed model builds up a flexible tool to model financial data. In our study, we first derive and explain our model specifications (semi parametric model). We identify the moment conditions, that are satisfied by the unknown parameters of the model. These moment conditions are determined by the implementation of Conic Quadratic Optimization. In order to generalize our model for the process, which has infinite number of observations, we proof that our model conditions are efficient and consistent. It is shown that consistency can be achieved through convergence of the model parameters towards the true parameters. By the help of Tikhonov regularization, we construct a minimum distance measure and identify the conditions under which convergence is achieved. Asymptotic distribution of the CQP-estimated GMM estimator is evaluated based on the variance-covariance matrix.Conference Object Comparing Costs and Resource Utilization Between Patients With Schizophrenia Treated With Paliperidone Palmitate or Oral Atypical Antipsychotics in California Medicaid (medi-Cal)(2015) Pesa, J; Wang, L; Yuce, H; Başer, Onur...Conference Object Comparing Health Care Resource Utilization and Costs Among Obese Patients in the Us Medicaid Population(2016) Zhang, Q; Zhao, Y; Keshishian, A; Xie, L; Yuce H.; Başer, OnurObjectives : To evaluate health care resource utilization and costs among obese patients in the U.S. Medicaid population.Conference Object Comparison of All-Cause Mortality Rate and Economic Burden Between Newly Diagnosed Alzheimer’s Disease Patients Who Received Anti-Dementia Treatment Versus Not: a Longitudinal Retrospective Study(2016) Black, CM; Hu, X; Khandker RK; Ambegaonkar, BM; Kariburyo, M. Furaha; Xie, L; Başer, Onur; Yuce, H....Conference Object Comparison of Short Term Bleeding-Related Health Care Utilization and Costs Among Treatment-Naïve Non-Valvular Atrial Fibrillation Patients Initiating Apixaban, Dabigatran, Rivoxaban or Warfarin(2015) Keshishian, A; Xie, L; Başer, Onur; Price, K; Vo, L; Singh, P; Bruno, A; Mardekian, J; Tan, W; Singha, S; Patel C; Odell, K; Trocio J....Conference Object Contagion Effects in Forward and Spot Foreign Exchange Markets(2017) Kılıç, ErdemContagion effects in the Forex Markets are estimated by the help of a bivariate Hawkes diffusion model. Contagion occurs in most cases beyond volatility. n this regard, asymmetry in these expectations is involved. The asymmetry depends on each currency pair. Internal market dynamics, as well as the transmission of country-specific dynamics are important features in determining the exact impact of the asymmetry on the evolution of these parameters.Article Ekonomik Öncü Göstergelerinin Bes Katılımcı Sayısı Üzerindeki Etkisi(Maliye Finans Yazıları Dergisi, 2014) Kılıç, ErdemEkonomik öncü göstergelerinin Bireysel Emeklilik Sistemi (BES) katılımcı sayısı üzerindeki etkisi sayıma dayalı olan yöntemler ile araştırılmıştır. Geçinme endeksinde bulunan tüm değişkenler ile katılımcı sayısı arasında pozitif bir ilişki bulunmuştur. Harcamalar, BES katılımcı sayısı üzerinde pozitif bir etkiye sahipken, katılımcı sayısı tasarruflar ele alındığında düşmektedir. Dayanıksız mallar ve hizmetler için yapılan harcamalar katılımcı sayısı üzerinde büyük bir etkiye sahiptirler. Enflasyon ve BES katılımcı sayısı arasında anlamlı bir ilişki bulunmaktadır. BES katılımı ile ilgili ileriye yönelik projeksiyonlarda, devlet katkı payının ve toplumdaki BES’e ilişkin bilinçlenmenin etkileri analize dahil edilmelidir.Conference Object Evaluating Asthma-Related Expenses and Health Care Resource Utilization Among Children in the Us Medicaid Population(2016) Zhang, Q; Zhao, Y; Keshishian, A; Xie L; Yuce H.; Başer, Onur...Conference Object Evaluating the Economic Burden and Health Care Utilization of Anemia in the Us Medicare Population(2016) Tan, H; Xie, L; Başer, Onur; Yuce, H; Wang Y....Conference Object Evaluation of the Burden of Opioid Abuse Among Us Veteran Patients(2015) Başer, Onur; Ogbomo, A; Tan, H; Du, J; Xie L....Conference Object Evaluation of the Burden of Parkinson’s Disease in Medicare and Linked Long Term Care Populations(2015) Xie, L; Tan, H; Ogbomo, A; Wang, Y; Başer, Onur; Yuce H.Objectives: To examine the economic burden and health care utilization forpatients diagnosed with Parkinson’s disease using linked data from Medicare andthe Long Term Care (LTC) Minimum Data Set (MDS). Methods: Patients wereincluded in the study if they had at least one diagnosis claim for Parkinson’s disease(International Classification of Diseases, 9thRevision, Clinical Modification code 332.xx) during the identification period (01JUL2008-31DEC2010). The first Parkinson’s disease diagnosis claim date was designated as the index date. Patients were requiredto be age ?65 and have continuous health plan enrollment with medical benefitsfor 6 months pre- and post-index date. Residents in a LTC facility were defined asstudy patients using two quarterly assessments recorded in the MDS during the6-month baseline period. Demographic and clinical characteristics and follow-uphealth care costs and utilizations were described. Results: After 1:1 matching,1,620 patients were included in each group (disease and control patients), and thebaseline characteristics were well-balanced. Patients with Parkinson’s diseasewere more likely to have inpatient stays (14.26% vs. 9.51%, p<0.0001), outpatientvisits (47.72% vs. 41.11%, p=0.0002), skilled nursing facility (SNF) visits (20.37% vs.4.51%, p<0.0001), hospice visits (8.64% vs. 1.36%, p<0.0001), and part D pharmacyvisit (62.65% vs. 53.33%, p<0.0001). Compared to control patients, higher all-causehealth care costs were also observed for Parkinson’s disease patients, includinginpatient costs ($2,451 vs. $1,301, p<0.0001), SNF costs ($2,503 vs. $778, p<0.0001),hospice costs ($1,164 vs. $245, p<0.0001), total outpatient costs ($4,477 vs. $1,304,p<0.0001), pharmacy costs ($695 vs. $1,399, p<0.0001) and total costs ($9,775 vs.$5,314, p<0.0001). Conclusions: During a period of 12 months, patients diagnosed with Parkinson’s disease had higher health care utilization and costs thanmatched control patients.Conference Object Examination of the Economic Burden of Dyslipidemia in the Veterans Health Administration Population(2016) Keshishian, A; Tan, H; Xie, L; Başer, Onur...Conference Object Examining the Economic Burden and Health Care Utilization of Menopausal Women in the U.s. Medicaid Population(2015) Keshishian, A; Wang, Y; Xie, L; Başer, Onur; Yuce H....Conference Object Examining the Health Care Resource Utilization and Economic Burden Among Rheumatoid Arthritis Patients With Different Routine Assessment of Patient Index Data 3 Scores: a Probabilistic Matching Study(2016) Kariburyo, F; Du, J; Xie, L; Başer, OnurObjectives: To examine the health care resource utilization and economic burdenof rheumatoid arthritis (RA) using the Routine Assessment of Patient Index Data3 (RAPID3).
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