EconBiz - Find Economic Literature
    • Logout
    • Change account settings
  • A-Z
  • Beta
  • About EconBiz
  • News
  • Thesaurus (STW)
  • Academic Skills
  • Help
  •  My account 
    • Logout
    • Change account settings
  • Login
EconBiz - Find Economic Literature
Publications Events
Search options
Advanced Search history
My EconBiz
Favorites Loans Reservations Fines
    You are here:
  • Home
  • Search: subject_exact:"AIDS model"
Narrow search

Narrow search

Year of publication
Subject
All
Nachfragesystem 1,697 Demand system 1,696 Theorie 510 Theory 509 Konsumtheorie 422 Consumption theory 420 Estimation 365 Schätzung 365 Private consumption 339 Privater Konsum 339 Demand 315 Nachfrage 311 Consumer behaviour 303 Konsumentenverhalten 301 Preiselastizität 240 Price elasticity 240 Food consumption 187 Lebensmittelkonsum 187 USA 177 United States 177 Estimation theory 166 Schätztheorie 166 Household 124 Privater Haushalt 124 Meat 100 Fleisch 99 Food 85 Welfare analysis 85 Wohlfahrtsanalyse 85 Lebensmittel 84 Einkommenselastizität der Nachfrage 73 Großbritannien 73 Income elasticity of demand 73 Consumer demand theory 71 Nachfragetheorie des Haushalts 71 United Kingdom 71 Discrete choice 62 Diskrete Entscheidung 62 AIDS model 61 Fleischmarkt 57
more ... less ...
Online availability
All
Free 477 Undetermined 296 CC license 27
Type of publication
All
Article 1,056 Book / Working Paper 694 Other 2 Journal 1
Subcategories
All
Article in journal 936 Working paper 361 Book section 61 Proceedings 7 Literature review 5 Case study 3 Government document 2 Review 2 Statistics 2 Textbook 1
more ... less ...
Language
All
English 1,679 Undetermined 35 German 18 Spanish 8 Italian 6 French 4 Portuguese 2 Russian 1 Swedish 1
more ... less ...
Author
All
McLaren, Keith Robert 26 Lewbel, Arthur 24 Barnett, William A. 22 Berry, Steven 22 Pakes, Ariel 20 Serletis, Apostolos 19 Blundell, Richard W. 17 Wong, K. K. Gary 17 Clements, Kenneth W. 16 Browning, Martin James 15 Crawford, Ian 15 Phaneuf, Daniel J. 14 Yen, Steven T. 14 Herriges, Joseph A. 13 Nevo, Aviv 13 Pendakur, Krishna 13 Asano, Seki 12 Holt, Matthew T. 11 Kratena, Kurt 11 Perali, Federico 11 Preckel, Paul V. 11 Cranfield, John A. L. 10 Denton, Frank T. 10 Fiuza, Eduardo P. S. 10 Hertel, Thomas W. 10 Klonaris, Stathis 10 LaFrance, Jeffrey T. 10 Mountain, Dean C. 10 Seale, James L. 10 Chern, Wen S. 9 Haile, Philip A. 9 Matsuda, Toshinobu 9 Matsuyama, Kiminori 9 Mazzocchi, Mario 9 Rickertsen, Kyrre 9 Ushchev, Philip 9 Buse, Adolf 8 Capps, Oral 8 Eales, James S. 8 Fally, Thibault 8
more ... less ...
Institution
All
National Bureau of Economic Research 18 Agricultural and Applied Economics Association - AAEA 10 Boston College / Department of Economics 3 California Agricultural Experiment Station / Department of Agricultural and Resource Economics 3 Institut für Agrarentwicklung in Mittel- und Osteuropa 3 European Association of Agricultural Economists - EAAE 2 European Commission / Joint Research Centre 2 Institute for Fiscal Studies 2 Iowa State University / Center for Agricultural and Rural Development 2 University of Western Sydney, Nepean / Department of Economics 2 Australian Broadcasting Tribunal 1 Bureau of Agricultural Economics, Canberra (Australia) 1 Centre of Policy Studies 1 Charles H. Dyson School of Applied Economics and Management, Cornell University 1 Christel DeHaan Tourism and Travel Research Institute <Nottingham> 1 Claremont Institute for Economic Policy Studies 1 Cornell University / Cornell Food and Nutrition Policy Program 1 Deakin University, Faculty of Business and Law, School of Accounting, Economics and Finance 1 Department of Agricultural Economics, Agricultural University of Athens 1 Department of Economics, Faculty of Business and Economics 1 Department of Economics, Florida State University 1 European Association of Agricultural Economists 1 European University Institute / Department of Economics 1 Europäische Kommission / Gemeinsame Forschungsstelle 1 HAL 1 Harvard Institute of Economic Research 1 Impact Research Centre 1 Institut for Fødevare- og Ressourceøkonomi, Københavns Universitet 1 Institut for Miljø- og Erhvervsøkonomi <Esbjerg> 1 Institut für Ernährungswirtschaft und Verbrauchslehre <Kiel> / Lehrstuhl für Ernährungswirtschaft und Ernährungspolitik 1 Kentro Programmatismou kai Oikonomikōn Ereunōn 1 Loughborough University / Department of Economics 1 Lunds Universitet / Nationalekonomiska Institutionen 1 New Zealand Trade Consortium 1 OECD 1 Rutgers University / Department of Economics 1 Seminar Analysis of Food Consumption in Central and Eastern Europe: Relevance and Empirical Methods <1999, Halle (Saale)> 1 Southern Agricultural Economics Association - SAEA 1 Surrey Energy Economics Centre (SEEC), School of Economics 1 USA / Economic Research Service 1
more ... less ...
Published in...
All
American journal of agricultural economics 79 Applied economics 47 Empirical economics : a journal of the Institute for Advanced Studies, Vienna, Austria 30 Economics letters 24 Agricultural economics : the journal of the International Association of Agricultural Economists 20 Marine resource economics 20 Journal of agricultural and resource economics : JARE ; the journal of the Western Agricultural Economics Association 19 Canadian journal of agricultural economics : CJAE 18 Journal of econometrics 18 NBER working paper series 18 Discussion paper 16 Economic modelling 16 Energy economics 15 The review of economics and statistics 15 Applied economics letters 14 Journal of agricultural and applied economics 14 Working paper / National Bureau of Economic Research, Inc. 14 European review of agricultural economics : ERAE 13 Functional structure and approximation in econometrics 13 NBER Working Paper 13 Journal of agricultural economics 12 Journal of applied econometrics 12 Journal of business & economic statistics : JBES ; a publication of the American Statistical Association 12 Agricultural and resource economics review : ARER 11 Boston College working papers in economics 11 Econometrica : journal of the Econometric Society, an international society for the advancement of economic theory in its relation to statistics and mathematics 11 The Canadian journal of economics 11 Discussion papers / CEPR 9 Food policy : economics planning and politics of food and agriculture 9 Land economics : applied research on environmental resources 9 WIFO working papers 9 Working paper 9 Working paper / Department of Econometrics and Business Statistics, Monash University 9 Discussion paper series 8 Journal of environmental economics and management : JEEM ; the official journal of the Association of Environmental and Resource Economists 8 The energy journal 8 Agricultural and Food Economics : AFE 7 Applied economic perspectives and policy 7 Discussion paper / Centre for Economic Policy Research 7 IFS working paper 7
more ... less ...
Source
All
ECONIS (ZBW) 1,708 RePEc 34 BASE 5 EconStor 3 Other ZBW resources 3
Showing 1 - 50 of 1,559
 
Cover Image
A demand systems analysis of energy sources in the United States
Bakhtavoryan, Rafael - 2026
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015617010
Saved in:
Cover Image
Nested pseudo-GMM estimation of demand for differentiated products
Aguirregabiria, Victor; Liu, Hui; Luo, Yao - 2026
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015591973
Saved in:
Cover Image
Evaluating tariff shock propagation in an integrated Demand system-MRIO framework
Naqvi, Syed Ali Asjad - 2026
This paper introduces a framework that integrates Quadratic Almost Ideal Demand System (QUAIDS) elasticities with the ADB Multi-Region Input-Output (MRIO) database to evaluate the direct and indirect impacts of tariffs on Value Added at the country-sector level. Using the data on USA tariffs...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015628180
Saved in:
Cover Image
Neural demand estimation with habit formation and rationality constraints
Grzeskiewicz, Marta - 2026
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015652614
Saved in:
Cover Image
Consumption patterns of Slovak households in 2021 and 2022
Krajčíková, Lívia; Vojtková, Mária - 2026
Household consumption behavior is a key indicator of the economic situation and social disparities in society. The aim of this article is to analyze the similarities and differences in the structure of consumption expenditure of various types of Slovak households in 2021 and 2022. The study also...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015667519
Saved in:
Cover Image
Fiscal policy during the cost-of-living crisis
Pidkuyko, Myroslav; Rossi, Raffaele - 2026
We study the household welfare effects of fiscal support during the 2021-2023 inflation surge. We compare two common policy responses: temporary VAT cuts on food and energy, and expansions of means-tested transfers. Using a quantitative heterogeneous-household model of saving, expenditure...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015676450
Saved in:
Cover Image
On the recovery of demand elasticities in dynamic settings
Davis, Carter; Kargar, Mahyar; Li, Jiacui; Silva, Dejanir - 2026
Persistent link: https://ebvufind01.dmz1.zbw.eu/10016071199
Saved in:
Cover Image
Estimating discrete choice demand models with sparse market-product shocks
Lu, Zhentong; Shimizu, Kenichi - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015179425
Saved in:
Cover Image
Children's say in the household
Sözbir, Ömer F. - 2026
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015560944
Saved in:
Cover Image
Fat vs. sugar : the case for a saturated fat tax in Italy
Di Cosmo, Valeria; Tiezzi, Silvia - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015358562
Saved in:
Cover Image
Assessing demand interrelationships for a disaggregated set of dairy milk products and plant-based milk alternatives
Bakhtavoryan, Rafael; Capps, Oral - 2026
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015669117
Saved in:
Cover Image
Demand systems without errors
Crawford, Ian - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015473023
Saved in:
Cover Image
Asset demand systems via data augmentation : competition and differentiation in asset management
Handziuk, Yurii - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015410301
Saved in:
Cover Image
Estimating Demand Systems with Bidding Data
Allen, Jason; Kastl, Jakub; Wittwer, Milena - 2026
We introduce a framework for estimating demand across multiple assets with bidding data. Unlike existing methods, our approach does not rely on price instruments, which are often difficult to obtain. We describe the data requirements for implementation and illustrate its versatility using two...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015593848
Saved in:
Cover Image
Extending the demand system approach to asset pricing
Gehrig, Thomas; Sögner, Leopold; Westerkamp, Arne - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015437401
Saved in:
Show 2 more versions 2
Cover Image
Extending the demand system approach to asset pricing
Gehrig, Thomas; Sögner, Leopold - 2022
Book / Working Paper
Cover Image
Extending the Demand System Approach to Asset Pricing
Gehrig, Thomas; Sögner, Leopold; Westerkamp, Arne - 2022
Book / Working Paper
Cover Image
Price discrimination and online sales in the automobile industry
D'Haultfœuille, Xavier; Durrmeyer, Isis; Fournel, … - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015444798
Saved in:
Cover Image
Impacts of alternative selection in multi-alternative food demand modeling
Bina, Justin D.; Tonsor, Glynn T. - 2025
Economic conclusions drawn from multi-attribute choice experiments are known to be sensitive to the attributes included in the choice set. This sensitivity has not been considered in multi-alternative choice experiments that are commonly used in food demand modeling. This study implements a...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015610059
Saved in:
Cover Image
Determinants of food demand in Rwanda : a micro-level QUAIDS analysis
Fabien, Masengesho; Faustin, Maniraguha; John, Musekera; … - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015595686
Saved in:
Cover Image
The welfare impact of climate action : a distributional analysis for Italy
Costantini, Valeria; Martini, Chiara; Mina, Benedetta; … - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015556156
Saved in:
Cover Image
Input misallocation and productivity dynamics
Lai, Hung-pin; Kumbhakar, Subal - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015619591
Saved in:
Cover Image
Change in household demand in the context of concerns regarding the transition to a healthy diet
Alexandri, Cecilia; Pauna, Bianca; Saman, Corina - 2025
This article investigates household consumption in 2011 and 2021, to see if there is evidence of changes in household demands of food. The European policy from Farm to Fork aims at providing sustainable, healthy food for all consumers, through an increase in vegetable consumption at the expense...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015415122
Saved in:
Cover Image
Meat attachment or health awareness? : understanding the factors influencing the consumption of local red meat in Italy
Testa, Riccardo; Vella, Francesco; Rizzo, Giuseppina; … - 2025
The literature suggests that consumers who purchase local foods tend to maintain more sustainable and healthier diets and are more likely to engage in fitter lifestyles. While this holds true for many local food products sold through short supply chains (such as eggs, milk, fruits, and...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015574346
Saved in:
Cover Image
Are consumers more sensitive to price changes during food scares? : a regime-switching dynamic almost ideal demand system approach
Jin, Yan; Gil, José María - 2025
Using a regime-switching dynamic Almost Ideal Demand System, this study investigates the change in consumer behavior during the tuna scare in Spain. The scare was caused by a histamine outbreak in 2017 that resulted from inadequate temperature in storage and color modification. To measure...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015576552
Saved in:
Cover Image
Consumption patterns, inflation, and household welfare : demand-based equivalence scales in Europe
Pezer, Martina; Sologon, Denisa M.; Kyzyma, Iryna; … - 2025
Equivalence scales are central to distributional analysis, adjusting household incomes for size and composition and shaping poverty and inequality measurement. Despite changes in consumption patterns, most applied work continues to rely on the modified OECD scale from the 1990s. We revisit...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015558390
Saved in:
Cover Image
On the emission and distributional effects of a CO₂eq-tax on agricultural goods : the case of Germany
Schaper, Julian; Franks, Max; Koch, Nicolas; Plinke, … - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015559456
Saved in:
Cover Image
Shadow demands for unobservable goods : an intertemporal incomplete demand approach
Kim, H. Youn; Molina, José Alberto; Wong, K. K. Gary - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015672211
Saved in:
Cover Image
Demand elasticities for selected seasoning commodities : an almost ideal demand system with instrumental variables
Muin, Muhamad Fathul - 2025
This study analyzes the consumption elasticities of five key seasoning commodities in Indonesia: cooking oil, red onion, garlic, red chili, and cayenne pepper. A Linear Approximate Almost Ideal Demand System (LA/AIDS) model is employed, incorporating instrumental variables to address potential...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10016070493
Saved in:
Cover Image
Direct utility functions for rank two and quadratic logarithmic continuous demand systems
Lewbel, Arthur - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015440545
Saved in:
Cover Image
Misconceptions and meat : the impact of new knowledge on meat demand
Yang, Ruoye; Raper, Kellie Curry - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015373889
Saved in:
Cover Image
Quantifying demand and willingness to pay for local food production
Ortez, Mario; Thompson, Taylor; Kilders, Valerie; … - 2024
The location of production and processing has had an increasingly prominent role in discussions regarding food systems today. Acknowledging the increasing importance, we study consumer preferences for and perception of local products with a particular focus on how willingness to pay (WTP) for...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015053887
Saved in:
Cover Image
Carbon pricing and household welfare : evidence from Uganda
Aggarwal, Raavi; Ayhan, Sinem H.; Jakob, Michael; … - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015376302
Saved in:
Cover Image
Demand for fish in urban Malawi : an almost ideal estimation
Banda, Fredrick Mangwaya; Edriss, Abdi-Khalil; Jere, … - 2024
Persistent link: https://ebvufind01.dmz1.zbw.eu/10014631789
Saved in:
Cover Image
Estimating demand systems with corner solutions : the performance of Tobit-based approaches
Ban, Kyunghoon; Lence, Sergio H. - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015331898
Saved in:
Cover Image
Food for thought : a meta-analysis of animal food demand elasticities across world regions
García Bouyssou, Clara; Jensen, Jørgen D.; Yu, Wusheng - 2024
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015069802
Saved in:
Cover Image
Equity-driven fiscal policies : taxing ultra-processed products and subsidizing minimally processed foods
Pereda, Paula Carvalho; Christofoletti, Maria Alice Moz; … - 2024
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015070130
Saved in:
Cover Image
Changes in the structure of household expenditure in urban and rural China
Qu, Xiaorui; Chen, Jian - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015331905
Saved in:
Cover Image
Fisher-Schultz Lecture : Linear Estimation of Structural and Causal Effects for Nonseparable Panel Data
Chernozhukov, Victor; Deaner, Ben; Gao, Ying; Hausman, … - 2025
This paper develops linear estimators for structural and causal parameters in nonparametric,nonseparable models using panel data. These models incorporate unobserved, time-varying, individual heterogeneity, which may be correlated with the regressors. Estimation is based on an approximation of...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015194971
Saved in:
Cover Image
Demand system analysis of consumer purchase of organic and plant-based alternatives to selected food products : case studies from selected EU countries
Nes, Kjersti; Antonioli, Federico; Ciaian, Pavel - 2024
The objective of the report is to analyse purchasing patterns of organic food products and plant-based alternatives and examine how sensitive the consumption of these products is to changes in prices. The report analyses are based on consumer purchasing panel data from five EU countries -...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10014534228
Saved in:
Cover Image
Nutritional implications of substituting plant-based proteins for meat : evidence from home scan data
Dogbe, Wisdom; Wang, Yihan; Revoredo Giha, César L. - 2024
There is growing concern among policymakers and researchers about the negative health and climate impacts of meat consumption. Consumers are encouraged to re-evaluate their dietary choices to preserve our ecosystem and reduce the burden of diet-related diseases. However, limited information is...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015375896
Saved in:
Cover Image
Optimal Estimation of Discrete Choice Demand Models with Consumer and Product Data
Grieco, Paul L. E.; Murry, Charles; Pinkse, Joris; … - 2025
We propose a conformant likelihood estimator with exogeneity restrictions (CLEER) for random coefficients discrete choice demand models that is applicable in a broad range of data settings. It combines the likelihoods of two mixed logit estimators--one for consumer level data, and one for...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015195043
Saved in:
Cover Image
Consumer demand in EU Member States : estimating a linear expenditure system for the 27 EU countries
2024
By combining econometric estimations with the calibration of consumer expenditure data, this study estimates a linear expenditure system (LES) for the 27 EU countries. We use the EU Household Budget Survey (HBS) data for the reference years of 2010 and 2015, which provide data for about 275, 000...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015276806
Saved in:
Cover Image
Estimating demand with unobserved no-purchases on revenue-managed data
Li, Anran; Talluri, Kalyan T.; Tekin, Müge - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015432375
Saved in:
Show one more version 1
Cover Image
Estimating Demand With Unobserved No-Purchases on Revenue-Managed Data
Li, Anran - 2020
Book / Working Paper
Cover Image
The marginal utility of income and homogeneous demand systems
Hjiertstrand, Per - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015462877
Saved in:
Cover Image
Stone-Geary meets CES : the properties of an extended linear expenditure system
Sancho, Ferrán - 2024
The structure of demand plays a fundamental role in shaping economic equilibrium. In computable general equilibrium analysis, comparative statics allow us to simulate how policies or external adjustments impact the equilibrium state. The results of these simulations are significantly influenced...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015334536
Saved in:
Cover Image
Aggregation and the estimation of quality change : application to U.S. import prices
D'Errico, Marco; Lashkari, Danial - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015613976
Saved in:
Cover Image
Analyzing the impact of government subsidies on household welfare during economic shocks : a case study of Iran
Dehghan, Mohammad; Moosavi, Seyed Nematollah; Zare, Ebrahim - 2024
The study evaluates the effectiveness of Iranian government subsidies for households by comparing the welfare impact of food price shocks with the subsidy payments they receive. This helps us assess the government's efforts to reduce poverty in Iran. The household income and expenditure survey...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015191276
Saved in:
Cover Image
The biases in applying static demand models under dynamic demand
Fukasawa, Takeshi - 2024
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015178394
Saved in:
Show 2 more versions 2
Cover Image
The biases in applying static demand models under dynamic demand
Fukasawa, Takeshi - 2022 - Revised July 28, 2022
Edition: Revised July 28, 2022
Book / Working Paper
Cover Image
The biases in applying static demand models under dynamic demand
Fukasawa, Takeshi - 2022
Book / Working Paper
Cover Image
Curvature-elasticity manifolds of demand systems
Hilton, Joshua - 2025
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015594799
Saved in:
Cover Image
Chapter 17. Unveiling Argentina’s meat demand
Victoria Ortiz, María; Reyna, Cecilia - 2025
This chapter aims to explain which factors affect meat consumption reduction in a South American country. Argentina, and more specifically the Pampean region, has a long tradition of meat production and consumption. The shift towards healthier and more environmentally conscious diets aligns with...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015600047
Saved in:
Cover Image
An assessment of household food consumption patterns during the COVID-19 pandemic in Bali Province
Kharisma, Bayu; Hasanah, Alfiah; Remi, Sutyastie Soemitro; … - 2024
This study analyzes changes in household food consumption patterns and socio-economic demographic characteristics during the COVID-19 pandemic in Bali Province. This study uses secondary data collected by Statistics Indonesia, namely the National Socio-economic Survey (Susenas) data with the...
Persistent link: https://ebvufind01.dmz1.zbw.eu/10015325987
Saved in:
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • Next
  • Last
A service of the
zbw
  • Sitemap
  • Plain language
  • Accessibility
  • Contact us
  • Imprint
  • Privacy

Loading...