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361.
Jean Cavailhès Thierry Brossard Jean-Christophe Foltête Mohamed Hilal Daniel Joly François-Pierre Tourneux Céline Tritz Pierre Wavresky 《Environmental and Resource Economics》2009,44(4):571-590
Hedonic prices of landscape are estimated in the urban fringe of Dijon (France). Viewshed and its content as perceived at
ground level are analyzed from satellite images supplemented by a digital elevation model. Landscape attributes are then fed
into econometric models (based on 2,667 house sales) that allows for endogeneity, multicollinearity, and spatial correlations.
Results show that when in the line of sight, trees and farmland in the immediate vicinity of houses command positive prices
and roads negative prices; if out of sight, their prices are markedly lower or insignificant: the view itself matters. The
layout of features in fragmented landscapes commands positive hedonic prices. Landscapes and features in sight but more than
100–300~m away all have insignificant prices. 相似文献
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Abstract. This paper assesses the out-of-sample forecasting accuracy of the New Keynesian Model for Canada. We estimate a variant of the model on a series of rolling subsamples, computing out-of-sample forecasts one to eight quarters ahead at each step. We compare these forecasts with those arising from vector autoregression (VAR) models, using econometric tests of forecasting accuracy. We show that the forecasting accuracy of the New Keynesian Model compares favourably with that of the benchmarks, particularly as the forecasting horizon increases. These results suggest that the model could become a useful forecasting tool for Canadian time series. 相似文献
365.
Mohamed El Hedi Arouri 《Economic Modelling》2011,28(4):1716-1725
The aim of this article is to investigate the responses of European sector stock markets to oil price changes. We use linear and asymmetric models and study the association of oil and stock prices. Our findings suggest that the strength of this association varies greatly across sectors. Moreover, for some sectors we find strong evidence of asymmetry in the reaction of stock returns to changes in the price of oil. 相似文献
366.
Anuj Shah Ruchit Shah Nehemiah Kebede Ateesha Mohamed Marc Botteman Reg Waldeck 《Journal of medical economics》2020,23(4):330-346
AbstractAims: To describe the incidence and identify prognostic factors of central nervous system (CNS) adverse events (AEs) and any AEs (CNS, skin rash, or fracture) and evaluate the healthcare resource utilization (HCRU), direct medical costs, and therapy discontinuation associated with these AEs among non-metastatic prostate cancer (nmPC) patients who received secondary hormone therapies.Methods and results: nmPC patients who had initiated secondary hormonal therapy with enzalutamide, bicalutamide, or abiraterone ≥1?year after androgen deprivation therapy (ADT) were identified in the MarketScan database. Survival analyses were used to describe the incidence of CNS or any AEs. Annual HCRU and costs were compared across patient groups (CNS AE vs no CNS AE; any AE vs no AE) using propensity score weighted generalized linear models. Multivariate Cox proportional hazards models were used to identify AE predictors and compare risks of discontinuation.Results: The analysis included 532 patients who initiated secondary hormonal therapies, among whom 201 (38%) and 244 (46%) experienced a CNS AE and any AE, respectively. Median times to CNS AE and any AE from therapy initiation were 17.90 and 11.00?months, respectively. Predictors of any AE were any AE in the baseline period (≤6?months before starting therapy), Charlson Comorbidity Index (CCI) score (1 vs 0), surgical castration, and older age. Predictors of CNS AEs were CNS AE in the baseline period and CCI score (1 vs 0). CNS and any AEs were associated with significantly higher HCRU. CNS AEs were associated with significantly higher incremental total medical costs ($18,522). CNS AEs and any AEs significantly increased therapy discontinuation risk by 48% and 38%, respectively.Conclusions: AEs increase the economic burden and therapy discontinuation among nmPC patients receiving secondary hormonal therapies subsequent to ADTs. These patients should be carefully evaluated for AEs to reduce therapy discontinuation, HCRU, and direct medical costs. 相似文献
367.
Gihan Hamdy Elsisi Mohammed Moustapha Anwar Mohamed Khattab Ibrahim Elebrashy Alaa Wafa Hemat Elhadad 《Journal of medical economics》2020,23(8):908-914
AbstractIntroduction: Type 2 diabetes mellitus (T2DM) is a major health problem in Egypt with a high impact on morbidity, mortality, and healthcare resources. This study evaluated the budget impact and the long-term consequences of dapagliflozin versus other conventional medications, as monotherapy, from both the societal and health insurance perspectives in Egypt.Methods: A static budget impact model was developed to estimate the financial consequences of adopting dapagliflozin on the healthcare payer budget. We measured the direct medical costs of dapagliflozin (new scenario) as monotherapy, compared to metformin, insulin, sulphonylurea, dipeptidyl peptidase-4 (DPP-4) inhibitors, thiazolidinedione, and repaglinide (old scenarios) over a time horizon of 3 years. Myocardial infarction (MI), ischemic stroke, hospitalization for heart failure (HHF), and initiation of renal replacement therapy (RRT) rates were captured from DECLARE TIMI 58 trial. One-way sensitivity analyses were conducted.Results: The budget impact model estimated 2,053,908 patients eligible for treatment with dapagliflozin from a societal perspective and 1,207,698 patients from the health insurance (HI) perspective. The new scenario allows for an initial savings of EGP121 million in the first year, which increased to EGP243 and EGP365 million in the second and third years, respectively. The total cumulative savings from a societal perspective were estimated at EGP731 million. Dapagliflozin allows for savings of EGP71, EGP143, and EGP215 million in the first, second and third years respectively, from the HI perspective, with total cumulative savings of EGP430 million over the 3 years.Conclusion: Treating T2DM patients using dapagliflozin instead of conventional medications, maximizes patients’ benefits and decreases total costs due to drug cost offsets from fewer cardiovascular and renal events. The adoption of dapagliflozin is a budget-saving treatment option, resulting in substantial population-level health gains due to reduced event rate and cost savings from the perspective of the national healthcare system. 相似文献
368.
Rosmy Jean Louis Faruk Balli Mohamed Osman 《International Economics and Economic Policy》2012,9(1):83-110
This paper assesses the costs of forming a monetary union among the Gulf Cooperation Council (GCC) countries by looking at
economic linkages within the GCC, and between the GCC and the potential anchors (the US, and major European countries such
as France, Germany and Italy) for their proposed new currency. We investigate the importance of the US dollar compared to
the Euro by focusing on aggregate demand (AD) and aggregate supply (AS) shock symmetry across these countries. We differentiated
between oil and non-oil sector by estimating structural vector autoregression (SVAR) models with a combination of variables:
oil output, non-oil output, total output, nominal/real price of oil and overall price level. One set of models was identified
with the long-run restrictions of Blanchard and Quah (Am Econ Rev 79(4):655–673, 1989), whereas the set that assesses the robustness of the findings was estimated with the short-run restrictions of Sims (Eur
Econ Rev 36(5):975–1000, 1992). We find overwhelming support for AD shock symmetry across the GCC countries and between the GCC and the US, but none for
the major European countries with the GCC. Non-oil AS shocks are mostly asymmetric, but oil AS shocks are mostly symmetric
when the real price of oil is included. This agrees with the view that GCC countries are subjected to common oil shocks. It
also suggests that previous VAR models estimated to pass judgment on the feasibility of monetary union across GCC countries
may have suffered from problems of mis-specification if the real price of oil was not considered. We surmise that the US dollar
is a better anchor candidate for anchoring the new GCC currency than the Euro, since US monetary policy can at least help
smooth demand shocks in these countries. 相似文献