Is this page useful for you? Then, help us to keep the service working. Please have a look to our donations page ... Thanks for your help!!

Citation Profile [Updated: 2024-12-09 13:41:37]
5 Years H Index
12
Impact Factor (IF)
0
5 Years IF
0.03
Data available in this report

[Raw data] [50 most cited papers] [50 most relevant papers] [cites used to compute IF] [Recent citations ][Frequent citing series ] [more data in EconPapers] [trace new citations] [Missing citations? Add them now] [Incorrect content? Let us know]

Main indicators
Raw Data

 

IF AIF CIF IF5 DOC CDO CIT NCI CCU D2Y C2Y D5Y C5Y SC %SC CiY II AII
2011 0 0.62 0.16 0 19 19 39 1 9 0 0 1 100 1 0.05 0.37
2012 0 0.68 0.06 0 67 86 122 5 14 19 19 2 40 5 0.07 0.36
2013 0.26 0.66 0.15 0.26 188 274 206 38 54 86 22 86 22 22 57.9 14 0.07 0.35
2014 0.12 0.67 0.1 0.14 232 506 177 51 105 255 31 274 37 30 58.8 8 0.03 0.34
2015 0.13 0.65 0.13 0.15 236 742 159 93 198 420 54 506 76 32 34.4 10 0.04 0.36
2016 0.1 0.64 0.13 0.13 161 903 144 114 312 468 46 742 94 17 14.9 10 0.06 0.34
2017 0.12 0.62 0.12 0.11 143 1046 135 126 438 397 47 884 98 24 19 9 0.06 0.35
2018 0.16 0.61 0.11 0.11 128 1174 61 134 572 304 50 960 102 22 16.4 7 0.05 0.34
2019 0.14 0.61 0.11 0.11 102 1276 31 139 711 271 38 900 101 22 15.8 3 0.03 0.36
2020 0.11 0.7 0.11 0.12 78 1354 22 149 860 230 26 770 93 9 6 2 0.03 0.74
2021 0.09 0.95 0.07 0.09 57 1411 2 105 965 180 16 612 53 8 7.6 3 0.05 0.39
2022 0.06 0.69 0.06 0.08 22 1433 0 84 1049 135 8 508 41 4 4.8 0 0.22
2023 0 0.57 0.02 0.03 21 1454 0 35 1084 79 387 10 0 0 0.18
IF: Two years Impact Factor: C2Y / D2Y
AIF: Average Impact Factor for all series in RePEc in year y
CIF: Cumulative impact factor
IF5: Five years Impact Factor: C5Y / D5Y
DOC: Number of documents published in year y
CDO: Cumulative number of documents published until year y
CIT: Number of citations to papers published in year y
NCI: Number of citations in year y
CCU: Cumulative number of citations to papers published until year y
D2Y: Number of articles published in y-1 plus y-2
C2Y: Cites in y to articles published in y-1 plus y-2
D5Y: Number of articles published in y-1 until y-5
C5Y: Cites in y to articles published in y-1 until y-5
SC: selft citations in y to articles published in y-1 plus y-2
%SC: Percentage of selft citations in y to articles published in y-1 plus y-2
CiY: Cites in year y to documents published in year y
II: Immediacy Index: CiY / Documents.
AII: Average Immediacy Index for series in RePEc in year y
50 most cited documents in this series
#YearTitleCited
12015Breaking Out Of Poverty Traps: Internal Migration And Interregional Convergence In Russia. (2015). Vakulenko, Elena ; Guriev, Sergei. In: HSE Working papers. RePEc:hig:wpaper:88/ec/2015.

Full description at Econpapers || Download paper

47
22017Beyond Ces: Three Alternative Classes of Flexible Homothetic Demand Systems. (2017). Ushchev, Philip ; Matsuyama, Kiminori. In: HSE Working papers. RePEc:hig:wpaper:172/ec/2017.

Full description at Econpapers || Download paper

36
32017Competitive division of a mixed manna. (2017). Moulin, Herve ; Bogomolnaia, Anna ; Sandomirskiy, Fedor ; Yanovskaya, Elena. In: HSE Working papers. RePEc:hig:wpaper:158/ec/2017.

Full description at Econpapers || Download paper

27
42016Do Consumers Really Follow a Rule of Thumb? Three Thousand Estimates from 130 Studies Say Probably Not. (2016). Sokolova, Anna ; Havranek, Tomas. In: HSE Working papers. RePEc:hig:wpaper:137/ec/2016.

Full description at Econpapers || Download paper

22
52014Trade Patterns And Export Pricing Under Non-Ces Preferences. (2014). Kokovin, Sergey ; Kichko, Sergey ; Zhelobodko, Evgeny . In: HSE Working papers. RePEc:hig:wpaper:54/ec/2014.

Full description at Econpapers || Download paper

17
62012Political Machines at Work: Voter Mobilization and Electoral Subversion in the Workplace. (2012). Szakonyi, David ; Reuter, Ora John ; Frye, Timothy. In: HSE Working papers. RePEc:hig:wpaper:08/ps/2012.

Full description at Econpapers || Download paper

14
72013KNOWLEDGE INTENSIVE BUSINESS SERVICES AS GENERATORS OF INNOVATIONS. (2013). Vinogradov, Dmitri ; Miles, Ian ; Doroshenko, Marina. In: HSE Working papers. RePEc:hig:wpaper:wpbrp12sti2013.

Full description at Econpapers || Download paper

14
82016When Can A Demand System Be Described By A Multinomial Logit With Income Effect?. (2016). Ushchev, Philip ; Thisse, Jacques. In: HSE Working papers. RePEc:hig:wpaper:139/ec/2016.

Full description at Econpapers || Download paper

14
92017Amenities and the Social Structure of Cities. (2017). Thisse, Jacques ; MOIZEAU, Fabien ; Gaigne, Carl. In: HSE Working papers. RePEc:hig:wpaper:162/ec/2017.

Full description at Econpapers || Download paper

13
102012The Economic Returns to Higher Education in the BRIC Countries and their Implications for Higher Education Expansion. (2012). Loyalka, Prashant ; Proudnikova, Anna ; Carnoy, Martin ; Androushchak, Gregory . In: HSE Working papers. RePEc:hig:wpaper:02edu2012.

Full description at Econpapers || Download paper

13
112011Effects of Minimum Wages on the Russian Wage Distribution. (2011). Lukiyanova, Anna. In: HSE Working papers. RePEc:hig:wpaper:09/ec/2011.

Full description at Econpapers || Download paper

13
122012Exploring innovation modes of Russian companies: what does the diversity of actors mean for policymaking?. (2012). Roud, Vitaliy ; Gokhberg, Leonid ; Kuznetsova, Tatiana. In: HSE Working papers. RePEc:hig:wpaper:wpbrp01sti2013.

Full description at Econpapers || Download paper

12
132015Net Comparative Advantage Index: Overcoming the Drawbacks of the Existing Indices. (2015). salnikov, vladimir ; gnidchenko, andrey. In: HSE Working papers. RePEc:hig:wpaper:119/ec/2015.

Full description at Econpapers || Download paper

12
142012Estimating the relationship between rate of time preferences and socio-economic factors in Russia. (2012). Sheluntcova, Maria ; Kossova, Tatiana. In: HSE Working papers. RePEc:hig:wpaper:23/ec/2012.

Full description at Econpapers || Download paper

12
152016Monopolistic Competition Without Apology. (2016). Ushchev, Philip ; Thisse, Jacques. In: HSE Working papers. RePEc:hig:wpaper:141/ec/2016.

Full description at Econpapers || Download paper

11
162014Does migration lead to regional convergence in Russia?. (2014). Vakulenko, Elena. In: HSE Working papers. RePEc:hig:wpaper:53/ec/2014.

Full description at Econpapers || Download paper

11
172014Non-reservation price equilibria and Consumer search. (2014). Parakhonyak, Alexei ; janssen, maarten. In: HSE Working papers. RePEc:hig:wpaper:51/ec/2014.

Full description at Econpapers || Download paper

11
182016Political Loyalty Vs Economic Performance: Evidence from Machine Politics in Russia’S Regions. (2016). Rochlitz, Michael. In: HSE Working papers. RePEc:hig:wpaper:34/ps/2016.

Full description at Econpapers || Download paper

11
192013Conceptualizing the innovation process – trends and outlook. (2013). Meissner, Dirk ; Kotsemir, Maxim. In: HSE Working papers. RePEc:hig:wpaper:wpbrp10sti2013.

Full description at Econpapers || Download paper

11
202013Understanding the Russian malaise: The collapse and recovery of subjective well-being in post-communist Russia. (2013). Welzel, Christian ; Inglehart, Ronald ; Foa, Roberto ; Ponarin, Eduard . In: HSE Working papers. RePEc:hig:wpaper:32/soc/2013.

Full description at Econpapers || Download paper

11
212013Innovation concepts and typology – an evolutionary discussion. (2013). Meissner, Dirk ; Kotsemir, Maxim ; Abroskin, Alexander. In: HSE Working papers. RePEc:hig:wpaper:wpbrp05sti2013.

Full description at Econpapers || Download paper

10
222014Perception Of Inequality And Social Mobility. (2014). Monusova, Galina ; Gimpelson, Vladimir. In: HSE Working papers. RePEc:hig:wpaper:84/ec/2014.

Full description at Econpapers || Download paper

9
232013Which teaching practices improve student performance on high-stakes exams? Evidence from Russia. (2013). Zakharov, Andrey ; Loyalka, Prashant ; Carnoy, Martin. In: HSE Working papers. RePEc:hig:wpaper:13edu2013.

Full description at Econpapers || Download paper

9
242013Statistical patent analysis indicators as a means of determining country technological specialisation. (2013). Meissner, Dirk ; Sagieva, Galina ; Khramova, Ekaterina . In: HSE Working papers. RePEc:hig:wpaper:wp-brp-09-sti-2013.

Full description at Econpapers || Download paper

9
252016Dividing Goods or Bads Under Additive Utilities. (2016). Moulin, Herve ; Bogomolnaia, Anna ; Yanovskaya, Elena ; Sandomirskiy, Fedor. In: HSE Working papers. RePEc:hig:wpaper:147/ec/2016.

Full description at Econpapers || Download paper

9
26Statistical patent analysis indicators as a means of determining country technological specialisation. (2013). Meissner, Dirk ; Sagieva, Galina ; Khramova, Ekaterina . In: HSE Working papers. RePEc:hig:wpaper:wpbrp09sti2013.

Full description at Econpapers || Download paper

9
272014Attitudes Towards Gender Equality And Perception Of Democracy In The Arab World. (2014). Kostenko, Veronica ; Ponarin, Eduard ; Kuzmichev, Pavel . In: HSE Working papers. RePEc:hig:wpaper:50/soc/2014.

Full description at Econpapers || Download paper

8
282016Dividing Goods and Bads Under Additive Utilities. (2016). Moulin, Herve ; Bogomolnaia, Anna ; Yanovskaya, Elena ; Sandomirskiy, Fedor. In: HSE Working papers. RePEc:hig:wpaper:153/ec/2016.

Full description at Econpapers || Download paper

8
292014Regional Foresight for Bridging National Science, Technology and Innovation with Company Innovation: Experiences from Russia. (2014). vishnevskiy, konstantin ; Meissner, Dirk ; Kindras, Alexey A. ; Cervantes, Mario . In: HSE Working papers. RePEc:hig:wpaper:29sti2014.

Full description at Econpapers || Download paper

8
302018Quantifying the Gap between Equilibrium and Optimum Under Monopolistic Competition. (2018). Suedekum, Jens ; Murata, Yasusada ; Mion, Giordano ; Behrens, Kristian. In: HSE Working papers. RePEc:hig:wpaper:185/ec/2018.

Full description at Econpapers || Download paper

8
312016Team Vs. Individual Tournaments: Evidence From Prize Structure In Esports. (2016). Parshakov, Petr ; Coates, Dennis. In: HSE Working papers. RePEc:hig:wpaper:138/ec/2016.

Full description at Econpapers || Download paper

8
322017Round-Robin Tournaments with Limited Resources. (2017). Dagaev, Dmitry ; Zubanov, Andrey. In: HSE Working papers. RePEc:hig:wpaper:171/ec/2017.

Full description at Econpapers || Download paper

8
33Perception of Risks Associated with Economic Sanctions: The Case of Russian Manufacturing. (2015). Kuznetsov, Boris ; Victoria, Golikova ; Boris, Kuznetsov . In: HSE Working papers. RePEc:hig:wpaper:115/ec/2015.

Full description at Econpapers || Download paper

8
342012Inequality of educational opportunity in a cross-section of countries. Empirical analysis of 2009 PISA data. (2012). Natkhov, Timur ; Kozina, Natalia . In: HSE Working papers. RePEc:hig:wpaper:07edu2012.

Full description at Econpapers || Download paper

8
352012University Admission In Russia: Do the Wealthier Benefit from Standardized Exams?. (2012). Yudkevich, Maria ; Prakhov, Ilya. In: HSE Working papers. RePEc:hig:wpaper:04edu2012.

Full description at Econpapers || Download paper

8
362018The Russian Excellence Initiative For Higher Education: An Econometric Evaluation Of Short-Term Results. (2018). Agasisti, Tommaso ; Lisyutkin, Mikhail ; Platonova, Daria ; Shibanova, Ekaterina. In: HSE Working papers. RePEc:hig:wpaper:201/ec/2018.

Full description at Econpapers || Download paper

7
372014Ranking Journals In Economics, Management And Political Science By Social Choice Theory Methods. (2014). Subochev, Andrey ; Pislyakov, Vladimir V. ; Aleskerov, Fuad T.. In: HSE Working papers. RePEc:hig:wpaper:27sti2014.

Full description at Econpapers || Download paper

7
382013Minimum wages and labor market outcomes: evidence from the emerging economy of Russia. (2013). Oshchepkov, Aleksey ; Муравьев, Александр. In: HSE Working papers. RePEc:hig:wpaper:29/ec/2013.

Full description at Econpapers || Download paper

7
392015Upside and Downside Risks in Momentum Returns. (2015). Dobrynskaya, Victoria. In: HSE Working papers. RePEc:hig:wpaper:50/fe/2015.

Full description at Econpapers || Download paper

7
402013Key features of the first phase of the national cluster program in Russia. (2013). Meissner, Dirk ; Kutsenko, Evgeniy. In: HSE Working papers. RePEc:hig:wpaper:wp-brp-11-sti-2013.

Full description at Econpapers || Download paper

7
412013KEY FEATURES OF THE FIRST PHASE OF THE NATIONAL CLUSTER PROGRAM IN RUSSIA. (2013). Meissner, Dirk ; Kutsenko, Evgeniy. In: HSE Working papers. RePEc:hig:wpaper:wpbrp11sti2013.

Full description at Econpapers || Download paper

7
422017Housing Policy of Non-Bolshevik Governments During the Russian Civil War. (2017). Kholodilin, Konstantin. In: HSE Working papers. RePEc:hig:wpaper:151/hum/2017.

Full description at Econpapers || Download paper

7
432013Values and Attitudes towards Innovation among Canadian, Chinese and Russian Students. (2013). Lebedeva, Nadezhda ; Schmidt, Peter. In: HSE Working papers. RePEc:hig:wpaper:04/soc/2013.

Full description at Econpapers || Download paper

7
442013Measuring national innovation systems efficiency – a review of DEA approach. (2013). Kotsemir, Maxim. In: HSE Working papers. RePEc:hig:wpaper:wpbrp16sti2013.

Full description at Econpapers || Download paper

7
452011Deconstructing The BRICs: Structural Transformation And Aggregate Productivity Growth. (2011). Wu, Harry ; Voskoboynikov, Ilya ; Timmer, Marcel ; de Vries, Gaaitzen ; Erumban, Abdul A. ; MarcelP. Timmer, . In: HSE Working papers. RePEc:hig:wpaper:04/ec/2011.

Full description at Econpapers || Download paper

7
462012Peer Effects in Exogenously Formed University Student Groups. (2012). Yudkevich, Maria ; Poldin, Oleg ; Androushchak, Gregory . In: HSE Working papers. RePEc:hig:wpaper:03edu2012.

Full description at Econpapers || Download paper

6
472015Incentives For Repeated Contracts In Public Sector: Empirical Study Of Gasoline Procurement In Russia. (2015). Demidova, Olga ; Bashlyk, Aleksander ; Vyglovsky, Oleg ; Yakovlev, Andrei. In: HSE Working papers. RePEc:hig:wpaper:24/pa/2015.

Full description at Econpapers || Download paper

6
482013Within and Between-Country Value Diversity in Europe: Latent Class Analysis. (2013). Rudnev, Maksim ; Magun, Vladimir ; Schmidt, Peter. In: HSE Working papers. RePEc:hig:wpaper:06/soc/2013.

Full description at Econpapers || Download paper

6
492016Estimation and filtering of nonlinear MS-DSGE models. (2016). Ivashchenko, Sergey. In: HSE Working papers. RePEc:hig:wpaper:136/ec/2016.

Full description at Econpapers || Download paper

6
502013Intellectual Capital Investments: Evidence from Panel Var Analysis. (2013). Parshakov, Petr ; Naidenova, Iuliia. In: HSE Working papers. RePEc:hig:wpaper:11/fe/2013.

Full description at Econpapers || Download paper

6
50 most relevant documents in this series (papers most cited in the last two years)
#YearTitleCited
12017Competitive division of a mixed manna. (2017). Moulin, Herve ; Bogomolnaia, Anna ; Sandomirskiy, Fedor ; Yanovskaya, Elena. In: HSE Working papers. RePEc:hig:wpaper:158/ec/2017.

Full description at Econpapers || Download paper

12
22014Trade Patterns And Export Pricing Under Non-Ces Preferences. (2014). Kokovin, Sergey ; Kichko, Sergey ; Zhelobodko, Evgeny . In: HSE Working papers. RePEc:hig:wpaper:54/ec/2014.

Full description at Econpapers || Download paper

5
32017Beyond Ces: Three Alternative Classes of Flexible Homothetic Demand Systems. (2017). Ushchev, Philip ; Matsuyama, Kiminori. In: HSE Working papers. RePEc:hig:wpaper:172/ec/2017.

Full description at Econpapers || Download paper

5
42017Round-Robin Tournaments with Limited Resources. (2017). Dagaev, Dmitry ; Zubanov, Andrey. In: HSE Working papers. RePEc:hig:wpaper:171/ec/2017.

Full description at Econpapers || Download paper

5
52020REGIONAL CONVERGENCE IN RUSSIA: ESTIMATING A NEOCLASSICAL GROWTH MODEL. (2020). Oshchepkov, Aleksey ; Silvagni, Maria Giulia ; Lehmann, Hartmut. In: HSE Working papers. RePEc:hig:wpaper:232/ec/2020.

Full description at Econpapers || Download paper

4
62019DOES GREEN BONDS PLACEMENT CREATE VALUE FOR FIRMS?. (2019). Chulok, Alexander ; Dranev, Yury ; Baranovskii, Gennady ; Kuchin, Ilia. In: HSE Working papers. RePEc:hig:wpaper:101sti2019.

Full description at Econpapers || Download paper

3
72019THE RUSSIAN UNIVERSITY EXCELLENCE INITIATIVE: IS IT REALLY EXCELLENCE THAT IS PROMOTED?. (2019). Yudkevich, Maria ; Sterligov, Ivan ; Matveeva, Nataliya. In: HSE Working papers. RePEc:hig:wpaper:49edu2019.

Full description at Econpapers || Download paper

3
82020Comparing School Choice And College Admission Mechanisms By Their Immunity To Strategic Admissions. (2020). Nesterov, Alexander ; Bonkoungou, Somouaoga . In: HSE Working papers. RePEc:hig:wpaper:222/ec/2020.

Full description at Econpapers || Download paper

3
92016Dividing Goods and Bads Under Additive Utilities. (2016). Moulin, Herve ; Bogomolnaia, Anna ; Yanovskaya, Elena ; Sandomirskiy, Fedor. In: HSE Working papers. RePEc:hig:wpaper:153/ec/2016.

Full description at Econpapers || Download paper

3
102016Dividing Goods or Bads Under Additive Utilities. (2016). Moulin, Herve ; Bogomolnaia, Anna ; Yanovskaya, Elena ; Sandomirskiy, Fedor. In: HSE Working papers. RePEc:hig:wpaper:147/ec/2016.

Full description at Econpapers || Download paper

3
112013Intellectual Capital Investments: Evidence from Panel Var Analysis. (2013). Parshakov, Petr ; Naidenova, Iuliia. In: HSE Working papers. RePEc:hig:wpaper:11/fe/2013.

Full description at Econpapers || Download paper

2
122012The Effect of One Extra Year of Schooling on Pisa Results: a Case of Countries with Different Tracking Systems. (2012). Tyumeneva, Yulia ; Kuzmina, Julia. In: HSE Working papers. RePEc:hig:wpaper:08edu2012.

Full description at Econpapers || Download paper

2
132015Net Comparative Advantage Index: Overcoming the Drawbacks of the Existing Indices. (2015). salnikov, vladimir ; gnidchenko, andrey. In: HSE Working papers. RePEc:hig:wpaper:119/ec/2015.

Full description at Econpapers || Download paper

2
142017Amenities and the Social Structure of Cities. (2017). Thisse, Jacques ; MOIZEAU, Fabien ; Gaigne, Carl. In: HSE Working papers. RePEc:hig:wpaper:162/ec/2017.

Full description at Econpapers || Download paper

2
152016Painful Birth of Trade Under Classical Monopolistic Competition. (2016). Kokovin, Sergey ; Funari, Stefania ; Ellero, Andrea ; Bykadorov, Igor ; Molchanov, Pavel . In: HSE Working papers. RePEc:hig:wpaper:132/ec/2016.

Full description at Econpapers || Download paper

2
162013Understanding the Russian malaise: The collapse and recovery of subjective well-being in post-communist Russia. (2013). Welzel, Christian ; Inglehart, Ronald ; Foa, Roberto ; Ponarin, Eduard . In: HSE Working papers. RePEc:hig:wpaper:32/soc/2013.

Full description at Econpapers || Download paper

2
172020MULTILEVEL MODELING FOR ECONOMISTS: WHY, WHEN AND HOW. (2020). Oshchepkov, Aleksey ; Shirokanova, Anna. In: HSE Working papers. RePEc:hig:wpaper:233/ec/2020.

Full description at Econpapers || Download paper

2
182015Breaking Out Of Poverty Traps: Internal Migration And Interregional Convergence In Russia. (2015). Vakulenko, Elena ; Guriev, Sergei. In: HSE Working papers. RePEc:hig:wpaper:88/ec/2015.

Full description at Econpapers || Download paper

2
192016Team Vs. Individual Tournaments: Evidence From Prize Structure In Esports. (2016). Parshakov, Petr ; Coates, Dennis. In: HSE Working papers. RePEc:hig:wpaper:138/ec/2016.

Full description at Econpapers || Download paper

2
202017Measurement of Validity of Corruption Indices. (2017). Nisnevich, Yulii ; Shukhova, Anastasiia . In: HSE Working papers. RePEc:hig:wpaper:42/ps/2017.

Full description at Econpapers || Download paper

2
212015Russian Manufacturing Subsidiaries of Western Multinational Corporations: Support from Parents and Cooperation with Sister-Subsidiaries. (2015). Gurkov, Igor. In: HSE Working papers. RePEc:hig:wpaper:37man2015.

Full description at Econpapers || Download paper

2
Citing documents used to compute impact factor:
YearTitle
Recent citations
Recent citations received in 2021

YearCiting document
2021Stakeholder Partnerships In Online Learning Design: A Systematic Literature Review. (2021). Rotar, Olga Y. In: HSE Working papers. RePEc:hig:wpaper:64edu2021.

Full description at Econpapers || Download paper

2021Personality Traits of Students in Resilient and Struggling Schools: Different Children or Different Schools. (2021). Zvyagintsev, Roman. In: Voprosy obrazovaniya / Educational Studies Moscow. RePEc:nos:voprob:2021:i:3:p:33-61.

Full description at Econpapers || Download paper

2021?????????? ?????????????? ???????? ???????????? ? ??????????????? ????: ?????? ???? ??? ?????? ?????. (2021). Звягинцев Р. С., . In: ??????? ??????????? // Educational Studies Moscow. RePEc:scn:voprob:2021:i:3:p:33-61.

Full description at Econpapers || Download paper

Recent citations received in 2020

YearCiting document
2020Children’s toy or grown-ups’ gamble? LEGO sets as an alternative investment. (2020). Sharma, Satish ; Ghimire, Binam ; Shimkus, Nikita ; Shanaev, Savva. In: Journal of Risk Finance. RePEc:eme:jrfpps:jrf-02-2020-0021.

Full description at Econpapers || Download paper

2020Pricing (almost) any used goods: a first step towards a theoretical framework. (2020). Cianni, Victor. In: MPRA Paper. RePEc:pra:mprapa:105053.

Full description at Econpapers || Download paper